Groove tubes 12ax7m
groove tubes also relabels mullard and JJ brand tubes, but you dont see those everywhere. They are not re-branded tubes, they are an entirely unique design, and should not be mistaken for Sovteks. These are not military tubes and are not NOS tubes at all. Groove Tubes -12AX7M - also nice sounding, with a warm midrange, mixed opinions due to early batch problems, but a brand new batch is due in to GT in a couple of weeks. Matched Lot 18 Gt 12ax7m Gt12ax7m Groove Tube Vacuum-tube 7025 Preamp Rated 15. RCA and Sylvania first introduced the 12AX7 to the world in the late 1940s. Beautifully articulate in the mids and treble areas, with a good even bottom-end. Because of the high gain, 12AX7 in V1 has a lot of effect on sonics. GT is not the only re-seller out there.
Great for all musical genres. 82. Right now it has a couple Tung Sols and a EH in it. And this amp loves pedals. On 02/04/2019 at 20:54, mingsta said: Second hand sadowsky metro HPJ. This newer tube from Russia has slightly brighter and lower gain, quicker compression than the GT 12AX7. . Watford Valves.
I just got a 460 - I have been working with a very limited gear budget recently and the 460 seemed to be the only tube mic in my price range (sub $250). His suggestion is to buy tested and screened NOS from a trusted vendor. Groove Tubes GT-12AX7M: ”M” for Mullard-kopi. Remember that most of them are just rebranded other valves. € 30,00 € 27,00 The bass response is 20 hZ lower than the reproduction Fender Bassman. EH are supposed to be good too. Another great tube to try is the Sovtek 12AX7LPS. Very musical, detailed, authoritative.
The Sovtek 12AX7LPS is the same tube as the Groove Tubes 12AX7R2. It's their "reissue" of an old Mullard. Groove tubes are the most reliably consistent brand. Today, it is by far the most common preamp tube used for electric guitar amplification and there is an almost overwhelming supply of current production options to choose from. I got a set & used 25w to bias them but I saw on Dougs tube site that they are 30W tubes. Groove tubes also offers all of the sovtek tubes which are reviewed above. groove tubes 12ax7 pre-amp vacuum tube. So much in fact that a lot of 12AX7A's were labeled 7025's (a very quiet version of the 12AX7).
We stock thousands of pre-amp valves from NOS to current manufacturers like JJ, Electro Harmonix, Psvane, Tube Amp Doctor (TAD), Fender, Groove Tube and many more. Vertical Inputs, 2x Groove tubes E34LS, 3x Groove Tubes 12AX7M(ECC83) Canadian version, original Drake transformers, has metal toggle switches rather than the plastic rocker switches. It doesn't necessarily do anything great, but it does everything well. The day I got it I swapped out the stock tube with a Groove Tubes 12AX7M (Mullard reissue - one of the best new production tubes) - but I guess I should also try out a 12AU7. com, but I'll post it here anyways. . GT-5751M Amplifier pdf manual download. Also known as the Groove Tubes 12AX7-C, and Ruby 12AX7AC5.
The GT is the exact same tube even with the name "Mullard" faintly visable at the base. If you are looking for some of the best vintage vibin' pre-amp tubes around, i suggest you don't even look at GT and go with the JJ 12AX7S. Groove Tubes sells a 12AX7M that is supposed to be a remake of the old Mullard tubes. Specifications. Finding real Mullard ECC83 preamp tubes is hard enough, but finding a consistent source of quality Mullard tubes is next to impossible. Tube amps use multiple tubes, and the first position is referred to as V1. Formerly used EH but swapped them out for Mullard 12AT7s and a pair of Groove Tube 12AX7M's. Solid, well-defined low end, midrange with palpable presence, detailed and .
Dull, lifeless, flat. DIY 12AU7 Tube preamp - Shine7 Audio DIY Page shine7. Shop with confidence. Re-branders include: Fender, Groove Tubes (except the 12AX7M), Mesa Boogie, Valve Art, Golden Dragon, Ruby and HARMA. However my local UK source would cost me 60 bucks more than getting JJ's from Amplified Parts in the US, even taking the shipping into account. Amplification is the topic this time — specifically, the sound of vacuum tubes. This was common in the past. Amplification is the topic, specifically, the sound of vacuum tubes.
The output tubes are being changed to GT-6L6GE's in a #6 rating and will be biased at 30mA. They buy in bulk from manufacturers, test the product and, if they meet spec, label and sell them as Groove Tubes. Find great deals on eBay for groove tube 12ax7. Having said that. ElectroHarmonix tubes are not availible under the Sovtek name. My only gripe so far is that The person to ask about tubes is Jim McShane, he is very good about evaluating the new tubes from overseas, I believe he has had issues with JJs, but he is a straight shooter and I have bought output tubes from him before, as well as his rebuild kits for the HK Citation amps. I just did a side-by-side comparison in my amp not 10 minutes ago, and the GT12ax7m doesnt sound anywhere close to the real 12ax7/ecc83 Mullard. The Groove Tubes SAG-AX7-MPI Matched Phase Inverter Tube Changing Kit consists of specially selected and matched 12AX7 vacuum tubes for critical audio or guitar/bass amplifier use.
Tesla are very good. The Groove Tubes tubes and sets we sell are all "Mediums. In addition to Sovtek, Groove Tubes also sells a US-made 12AX7M, and it looks like TAD is now selling this tube as their new TAD 7025. Early ones sucked big time. Not sure how old they are. Import duties, taxes and charges are not included in the item price or shipping cha The Groove Tubes GT-12AX7-M Select is a replacement preamp tube for guitar amplifiers. The music is more lively and involving than before. Lucky for you, Sweetwater has an excellent relationship with Groove Tubes, which makes it easy for us to supply you with GT-12AX7-M Mullard Select preamp tubes.
The sonics capture the midrange warmth and sweetness of the originals, the low price insures it a top spot among current 12AX7 bargains! New production run, fresh stock! groove tubes 12ax7-ecc83, 5550112391 12ax7 ecc83 Is Similar To: 5550113620 Groove Tubes Gt-kt88-sv Medium (48. Later, I rolled in the “Groove Tubes” 12AX7M – this is one of the “Mullard-style” resissue tubes, and wow, it sounded great in the Expression. " That's in the 4 to 7 range on Groove Tubes' scale. These tubes are selected for specific characteristics, so may be a 12AX7R, 12AX7C, 12AX7M or another 12AX7 type that has been selected for specific curve traces as the objective. i very biased one at that!!! HA HA HA. Click here for tips on using our search i just purchased a mpa gold with the intent of replaceing the stock tubes ive read everyone's posts on the matter and thanks alot for the info but i was wondering if anyone tried or what anyone thinks about using groove tubes 12ax7m or r's This is a Russian made version of the Fender Groove Tube. GT does offer some lower priced tubes - as for their origins and quality, I can't speak. Anyone who is wondering if it is worth it to buy from someone who tests and guarantees their tubes, the answer is a HUGE "YES!" You wouldn't believe what a pain it is to test all those tubes and return the bad ones (and fight with the vendors who don't want them back).
The Groove Tube valves - the 12AX7M preamp valve aside - are gaining a reputation for being overhyped and underperforming. I am sad to report today that Groove Tubes have ceased production of the 12AX7M. Ruby is another. New Stock in original boxes. Same findings. I must have been a good boy this year because thermionic specialists, Groove Tubes (GT) and electro-harmonix (EHX), filled my stocking with goodies. matched lot 18 gt 12ax7m gt12ax7m groove tube vacuum-tube 7025 preamp rated: 15. In any case, I thought they were by far the worst sounding of all the preamp tubes I tried.
The newer ones are all over the map as far as gain and noise. I have done hundreds of shows and never had a problem. "The new GT12AX7M is as close to an exact reissue of the original Mullard 12AX7/ECC83 dual triode preamp tube as we could develop. We stock thousands of pre-amp valves from NOS to current manufacturers like JJ, Electro Harmonix, Psvane, Tube Amp Doctor (TAD), Fender, Groove Tube and many more Myles worked at Groove Tubes until Fender took over, and now works for 65 Amps [ last I heard ] among other things. Get a low price and free shipping on thousands of items. That's not entirely true. For those who don't know, this link gives the cross reference for what manufacturer makes each Groove Tube type: Yesterday I purchased 2 GT 12ax7C's for my MAZ jr for V1 and V2 per suggestion of the Dr. Probably the most forgiving tube in the preamp series, it’s an excellent replacement for stock tubes that sound too harsh.
94: another vote for Groove Tubes 12ax7m (5. 4% similar) s new checkout will then con solid ate your items and present to you the better shipping rates. I prefer this tube to the JJECC83 and Sovtec LPS among the cheaper tubes. I've got 2 Mullard 12AX7s and a GT 12AX7M. I just got the tubes in and tried them out. com If the SRZ sounds harsh and brittle, try running an old Mullard in V1. The amp ships with a vintage 5Y3 rectifier tube, two Baldwin branded 6BQ5 (EL84) tube that are likely Mullards made in Japan in the 1960's. Which pre and power tubes do you favor in your Series 1 Deuce's or Trident's? I have read several times that the stock Mesa tubes do not do this amp justice and I would like to know which ones will bring my beast alive.
The Groove Tubes 12AX7M is a dual-triode vacuum tube based on the highly sought after Mullard 12AX7, which went out of production in the late 60's. Tube • The Groove Tubes 12AX7M is a 100% new edition of the sought after Mullard ECC83 from the 60's. There are many 12AX7 on the market today. I, personally, have had good luck with the Groove Tube Mullard reissue 12AX7 (some people hate Groove Tubes) and I would agree that the older Chineese 12AX7's sound very good as well - I hate the new Chineese 12AX7's, thin and grainy. For low noise you cannot beat the JJ-ECC83S, although Groove Tubes sells the exact same tube (GT-ECC83) again with the 6 month guarantee. Groove Tubes actual tubes are rebadged tubes. Well, these lamps do not sound too bad, they Groove Tubes GT-12AX7C, GT-12AX7-C Gold Series Preamp Tube. It was instigated by Aspen Pittman following the Mullard design and production techniques meticulously.
These tubes kick a$$!!! I was using the stock Mesa 12AX7R-2's in my Triaxis (non fat mod) and noticed that all the LD2 channels sounded very muddy. EL-84s = JJ. EL-34s = Winged C Svetlanas. If your cabinet is sealed, try removing the back, that will give it a more defined sound. I pulled out what I had in there, and had forgot I had put some good Groove Tube 12AX7M's in there. With the exception of GT-12AX7M-2, all measured tube distortion is primarily 2 nd order (octaves). Country of origin: Russia A Warm-sounding Preamp Tube from Groove Tubes! Note: all of the Groove Tubes tubes and sets we carry are "Mediums," or in the 4 to 7 range. Pricy.
GROOVE TUBES GT-12AX7M SELECT PREAMP TUBE. free download · fender dual showman red knob manual. Find great deals on eBay for groove tubes 12ax7. They sound very good, very surprized. I also have changed the tubes to an all Groove Tubes compliment, including matched EL84S "#5" output-tubes, GT's SAG (Special Applications Group) "Marshall Hi-Gain" preamp set, and a GT "Mullard Reissue" "matched" 12AX7M phase-inverter; these made a HUGE difference! Does anyone have any impressions of the Groove Tubes GT-5751M pre-amp tube with the MAD EAR+ HD? I've been using one as a low-cost new production tube & have been enjoying it quite a bit more than I thought I would. A Top choice for replacement Vintage Fender Amplifiers & high gain amps like Marshall & Boogie. Like Steve says, everything does matter. Groove Tube is a re-seller.
Groove Tubes doesn't make bad stuff (I've had a few chinese 12ax7s before that worked pretty well and I managed to grab a Mullard RI that was pretty solid), but I've just found other manufacturers to buy from. Medium/soft gain. That's exactly what I got and the holographic soundstage was the added bonus. 00 a pop! Groove tubes 12AX7M: These are the chinese so called mullard copies. Z amps. Add a new reference. But, those are my ears. Their good tone was betrayed by their poor reliability.
I must have been a good boy this year because thermionic specialists Groove Tubes (GT) and Electro-Harmonix (EHX) filled my Actually since then I tried the 12AX7-M. This the season to snuggle up to a warm ampli-fire with a good book (or this magazine). GT 12AX7R (7025) Not a bad tube either but lacks a little colour. I replaced the Groove Tubes 12AX7M's (not cryo-treated) and the stock Chinese-made 6922's hoping to get better extension at the highs and lows and more detail without sacrificing the warmth. Newer tubes seem to be much better as QA has improved at the factory. I just got one last week and its the best sounding tube yet! I had new production tubes, Nos tele's Rft's The Groove Tubes 12AX7M is a dual-triode vacuum tube based on the highly sought after Mullard 12AX7, which went out of production in the late 60's. E JJ tem um tubo de placa novo longa chamado ECC803 JJ. 9 pin miniature preamp tube (Amplification Factor = 100) This is the ubiquitous Chinese 12AX7 with added selection The gain is high and the American "Groove Tubes" must be filtering out the noisiest ones.
Parts Sales. On 31/03/2019 at 14:21, CameronJ said: And I will confirm that those BB434s punch ridiculously far above their price tag. New refers to a brand-new, unused, unopened, undamaged item, while Used refers to an item that has been used previously. Brian Robertson's Custom T-12AX7M-GT The highly anticipated Groove Tube reissue of the original Mullard design has arrived. Finding UL rate tubes is common in NOS offerings from Raytheon and RCA Command Series to mention just two out of dozens. Why? Because you can't kill 'em, and that's what's important in a gigging amp. New stock tubes I've tried so far are: GT 12AX7M ( Tried about 5 or 6 of these and find a lot of difference between same labeled tubes over a 6 month period) Some of these sound quite good but. Groove Tubes Gt-12ax7 Premium Preamp Tube - C Select, New.
This is an exact reproduction of the popular Mullard ECC83, which was primarily used in music and hi-fi amplifiers of the 50s, 60s and 70s. (posted on February 12th, 2017) 6l6 Groove Tubes One Vacuum Tube (42. 73) Posted by guildenstern on 2006-06-03, 19:23:24 (66. This question goes out to all the Stiletto owners in the house. Changed out the smaller tubes in my Jolida SJ502A. This valve is exclusive to Groove Tubes and is not available in any other brand. Unfortunately the shop had one Groove Tubes Gold Series 12ax7C and one Groove Tubes Silver series 12ax7C. Great for harp or blues where softer, more compressed distortion at lower volumes is desired.
A Comparison of Current Production 12AX7 Tubes. 12AX7s are components, early in the circuit, that determine how clean or, how lush, layered and massive the high gain will be – not to mention all the tonal shades of grey in between like clipped, overdriven and crunch sounds. There are two reasons for marshall jvm 410h + jvm reverb + marshall jfx-1 cabinet marshall 1960b g12 century new tubes preamp groove tubes 12ax7m Groove Tubes 12AX7 Mullard reissue sadly to be discontinued . " 6072A/ 12AY7-GROOVE TUBES Groove Tubes The GT12AY7/6072A Groove Tube is a low gain signal valve that was used in early 50’s Fender amplifiers. 7025 – Tube Amp Doctor, High Grade - 7025 HIGHGRADE TAD Premium Selected Warm, clean tone with creamy overdrive! PREMIUM selected quality for the most demanding amp stages. Cheers- J my gear marshall jvm 410h od2 - od1. In fact, its not even in the 12AX7M Groove Tubes Real Mullard-Style Tubes! Note: all of the Groove Tubes tubes and sets we carry are "Mediums," or in the 4 to 7 range. Since preamp tubes last so long NOS is the way to go in your own amps.
This may be one Here is a r-dition of the Mullard 12AX7 Columbia, that is, a fantastic light pramp! I play a Firebird on a Fender Deluxe Reverb 65 reissue. The preamp tubes are: V1 - Groove Tubes 12AX7M and V2 (phase inverter) - TAD 5751. Get the guaranteed best price on Preamp Tubes like the Groove Tubes Gold Series GT-12AX7-C Preamp Tube at Musician's Friend. The chinese tubes were much livlier at half the price. Besides the old NOS Amperex and Mullards, the Chinese tubes seem to do this quite a bit. An amazingly accurate and detailed reissue of the famous shortplate Mullard UK made 12AX7 of the 1960s. Save groove tubes ax7 to get email alerts and updates on your eBay Feed. Groove Tubes.
" groove tubes e34ls gt e34ls Is Similar To: Gt-12ax7-r2 12ax7r2 Groove Tubes 12ax7 R Select Russian 112396 Fender Preamp Tube (30% similar) Be respectful and considerate. Before his move to 'part-time' service, Rose spent close to a decade at Groove Tubes, where he headed up their technical support group, GT's Special Applications Group, developed a host of GT exclusive tubes (6L6GE, EL34M, 12AX7M, 5881C) that became some of GT's best. Warm, fat tone that is signature of the Chinese tubes, these are selected Shuguang 9th generation 12AX7's. I DO know others besides JBRAX who have had not so good luck with the GT tubes, but they are few and far between. Also JJ has a new long plate tube called the JJ ECC803. DUAL TRIODE. Just bought a set of Groove Tubes 12AX7-M Mullard reissues. As if that’s not enough to set Groove Tubes apart from the crowd we have many “GT exclusive” designs, like the fabulous new GT-12AX7M Mullard replica, the high performance GT-E34LS, and are the only company currently manufacturing valves in the USA, the GT-6L6GE and the new GT-6CA7GE, made with the original General Electric tooling and Audio Asylum - Search of Tubes Asylum - Enter your search criteria.
Manufacturer's Description Groove Tubes 12AX7-M Mullard-style ECC83 Preamp Tube. Compared to the standard Groove tube 12AX7R. Have never ever had a problem Groove Tubes, seem like a good product to me. To even mention the word Mullard in the same sentence as the Groove Tube 12AX7M is at best sacrilegious and/or laughable. com offers no-interest financing for six months via PayPal Credit. The amp is a Budda SD80. V1, V2, V4, and V5 have been fitted with Groove Tubes 12AX7M tubes. Incidentally, the tubes in this MT200 are currently a JJ short plate in Channel A, and a Groove Tubes 12AX7M in Channel B.
Avoid these in high voltage cathode follower(CF) spots, these cannot withstand prolonged high voltage. Not a massive difference, but easily noticeable. I've heard really bad things about the Groove Tubes Mullard reissue (12ax7M) but I must have gotten a couple of good ones because they sounds great in my first two slots. Also, as tube manufacturing became refined, the 12AX7A became much quieter. So far, I'm hearing a little more detail, but not a significant change in SQ yet. "Low-gain tube used in very early Fender® amps. With PayPal Credit, you get six months to complete your purchase without being charged any interest. Collect or buy mail order for a fast service with full warranty Groove Tubes 12AX7 Mullard reissue sadly to be discontinued .
Aspen Pittman, the man behind Groove Tubes says , "The new 12AX7M is an exact reissue of the original Mullard 12AX7/ECC83 dual triode preamp tube, the ultimate vintage 12AX7 by which all others are judged. The Crossfire 5F6A also uses Groove Tubes matched 6L6 GE tubes in the output stage that are hand selected for best performance in Blues applications. This page lists all of the 12AX7 tubes I currently have in stock, including all industrial and European versions. The GTs' did sound better to my ear than the Rubies. The GT 12AX7M sounded slightly better, but every now and then I got static, so they had to go. Just my . Following my previous remarks I would like to add that anyone owning this Pre-Amp should replace the stock tubes with the New Groove Tube 12ax7M. Dette er det nyeste og dyreste skud på Groove Tubes liste over 12AX7/ECC83 rør, og markedsføres som det lydmæssigt tætteste, man kan komme på de eftertragtede originale engelske Mullard ECC83 rør fra 1960’erne og 1970’erne.
I ordered 2 ehx 12ax7's and one GT 12ax-7 mullard reissue. Marshall JCM 800 2204 CSA 50W head from 1982. 12ax7m Groove Tubes Ecc83 Group Of (43. If you don't have any old Mullards, try the Groove Tubes 12AX7M. Can sub for a 12AX7 to lower gain and produce a slightly warmer tone. 5% similar) Up for auction today are 4 of the classic Groove Tubes 12ax7-m, a faithful exact copy legendary mullard 12ax7 ecc83 preamp, 3 new old stock, and 1 used few hours in pill bottle. We work out the trending price by crunching the data on the product’s sale price over the last 90 days. What can I do to tighten up the overall sound of my Mesa DC-2 combo amp? I like how warm and smooth it sounds for leads but it could really benefit from having a tighter defined sound and a little more "edge" for distorted rhythms.
The sound will amaze you especially if you like rich,warm expansive sound. Penta 12AX7 - Data Sheet This is a pretty stock example. It's kind of a darker sounding tube, so it should warm up your SRZ nicely. The exception to this was tubes made a few years back by Aspen Pittman at what was Groove Tubes. They have more gain than the standard Groove tube. It is a long page, use your scroll button and scroll down the page to see it all. BACKGROUND AllegroSound pioneered the "Reference Tube" industry in 1978 with the introduction of the legendary AllegroSound 12AX7B ™ Original Reference Tube, the finest 12AX7 - 12AX7A - ECC83 - E83CC - ECC803 - 5751 - 6057 - 6681 - 7025 - 7058 - 7729 tube ever made, with the finest guaranty ever made, "better sound or your $ back". Absolutely zero complaints, and plenty of love here for the ViPre and Glory comp in particular.
Did you know that any groove tube with an "S" on the end of its designation is a JJ tube. You don’t have to wait to get the latest Fender gear. I've got my '74 Les Paul Standard with Duncan '59s running into a Marshall AVT20 with a Groove Tubes 12AX7M (Mullard replica) in the preamp. Groove Tube valves are sold at Hot Rox UK in Nottingham. + MATCHED LOT 18 GT 12AX7M GT12AX7M GROOVE TUBE VACUUM-TUBE 7025 PREAMP RATED: 15. After construction, each amplifier is hand tuned, Bias and feedback are optimized. They do sell a number of tubes from other factories which go through GT's own selection and testing process in some cases but they also have a number of tubes specific to GT which are of their own design and done on their own tooling - exclusive to GT. Road tubes? I know the engineer in NYC who preps the tour amps for the big, big names in the business and you know what he uses? Sovtek 12AX7WAs, same as the OEM stuff everyone replaces.
Groove Tubes has been manufacturing, importing, and grading quality power tubes for two decades. This valve is In stock £26. Watford valves is a U. A lower-gain 12AX7 tube, it is a highly musical, harmonically rich and an excellent performer. For tubes of same type but different manufacture, the tester readings do not seem to correspond with the gain measurements. The recommended tubes are 1 WB and 2 WA's. I've found the EH 6l6's to be good fender power tubes, their EL34's usually sound very good in marshalls. OK - an update I stuck a new Groove Tubes 12AX7M in V4 position and the problem seems to have gone away (the old valve went straight in the bin once the problem went away).
Groove Tubes actually tried to use this phenomenon to validate there 12AX7M (Mullard re-issue) "Flashes like the real thing, so it must be good" LOL 12AX7M - I've found the opposite of Richard to be true. For preamp tubes in fenders, JJ is the way to go, not for heavy gain, but nice full vintage fender tone. ?audio/faq. The Groove Tubes Gold Series GT-12AX7-R Preamp Tube is an older-style Russian-type vacuum tube with strong tone and a slightly edgy tone. GT-12AX7-C tubes pass every Groove Tubes premium certification for micro phonics, hum, physical characteristics and function. 12AX7M Mullard 1960s reissue, Groove Tubes . Groove Tubes started in southern California, and through innovative design, rigorous selection and testing, GT-powered amps have rocked the world in some of the most famous rigs ever played from studio Groove Tubes Silver Series Electro-Harmonix 6072A 12AY7 Tube For Guitar Amps New Tested & Guaranteed. Pierson Tweed Champ - What can I say about a tweed champ? Everybody needs one of these classics in their tone arsenal.
What the GT stuff did for me was provide me with peace of mind, knowing wherever in the the world I was, I could get a set of tubes that would be relatively close to match of the tubes I needed to change. Speak to Derek Rocco at Watford Valves - he'll give you the best valve advice if you tell him what you want. I don't recommend bringing valves in from overseas unless you're prepared to accept a few broken or damaged ones for the lower price. penta labs 12ax7M/groove tube review 08-19-2009, 02:09 PM. I like groove tubes 12ax7M on first positionEven better a Mullard NOS (that's what marshall put back in the old days then was cheap, today is about 50-100 $ a I will open by saying that "reissue" tubes generally do not have any similarities to the originals. Every piece of Groove Tubes equipment in my studio has the original tubes in them, and they all compete easily with the UA and Urei gear we have there. Those Groove Tube things are more expensive than OEM-labeled genuine Mullards. Russian & Chinese Tubes Jul 19, 2008 14:07:34 GMT.
If I don't like them, I'll look elsewhere and I'm not out a whole lot of money. 12AX7 C, Groove Tubes, MATCHED LOT 18 GT 12AX7M GT12AX7M GROOVE TUBE VACUUM-TUBE 7025 Audio Asylum - Tubes Asylum: REVIEW: Groove Tubes 12AX7-M Tubes by anumber1 - Questions about tubes and gear that glows. At low volumes, the preamp tubes are supplying the crunch. Ruby tubes selects tubes from various manufacturers after testing them for various performance characteristics. 89. I use the the EL84s and 12axtm in my Dr. As ISW is a repair business I naturally need to keep a stock of “bread and butter” parts on hand. The sonics capture the midrange warmth and sweetness of the originals, the low price insures it a top spot among current 12AX7 bargains! New production run, fresh stock! 12AX7M Mullard 1960s reissue, Groove Tubes .
I wanted to see if the tubes in these amps really do much for the sound of the amp, so I put two NOS USA 12AU7's in there. After i purchased the mullard i started reading about high failure rates and such and was kind of bummed. If you contact the GT SAG department (Special Applications Group) and ask for the best they have, 90% of the time they will sell you re-branded JJ ECC83S's at 30. For mic pres and high gain guitar amps the ECC83S is the way to go, but for low gain guitar amps or bass amps, the long plate tubes have more character. More to come Groove Tubes 12AX7 Mullard reissue sadly to be discontinued . A 6L6S is a re-labled and tested JJ tube sold by GT. I've got an older GT tube that is a GE. The wax leakage alone is a huge red flag that the transformer has been abused.
My first couple of sets of GT-12ax7-Ms are really great consistant and sounding tubes. The phase inverter / driver position of a guitar or bass amp is a current driving position, and not part of the tone generation stage. au $14. 26. Just my two cents worth. Groove Tubes used the Triple mica design of the original which reduces microphonics. I'd like to try the recommended tubes as they are cheap and people say they work well in the amp. Some people feel this is one of the ultimate vintage 12AX7 tubes.
The same tube is available now under the Mullard name, and is very inexpensive. Always makes me smile when I hear someone say they've never read a good review of Groove Tubes. Svetlana may be the source of Sovtek valves, but I'm not sure. Not graded or guaranteed for any V1 spot. In addition, he made the comment on another forum that no currently manufactured tube sold as a 5751 that he has tested meets the original spec. Groove Tubes 12AX7 Mullard reissue sadly to be discontinued . This may seem strange to many of you, but I've tried several 12AX7 tubes in my Jolida amp including Groove Tubes, Telefunken and Sovtek, and I keep going back to the EH. Specially selected from premium Groove Tubes preamp tubes that have been tested to meet the GT standard.
AU The Groove Tubes SAG-MHG Marshall High Gain Kit contains 2 SAG ECC83S and 1 AX7-MPI tubes optimized for the preamp stage of Marshall-style amplifiers. Well i'm sure Jon can give you the lowdown on GT tubes. 44) Right out of the box they sounded pretty hard, but ater a few days of burning in, these Groove Tubes 12ax7m have won me over. Hard to find in stock anywhere now. audio sales service rentals tubes allegrosound. Like a lot of new manufacture tubes it lacks Air/3D soundstage. groove tubes gets a bad rap because many of us are beginning to think it's a bunch of hoo-hah, paying that extra cash for supposedly failproof tubes, that are supposedly put through extra testing, which may not be so true. Old Mullards, as suggetsted, are apparently the best.
Groove Tubes are re-branded tubes from well known manufacturers which are tested, rated and matched where necessary. If you look at the hard cover Tube Amp Book from Groove Tubes you will find pieces by me. They're intended primarily for matching the two sides of the triode for phase inverter or driver use. 9. Fender. As a bit of side info - Some people think that Groove Tubes "re-brands" other factories tubes. Nice warm, enveloping sound with good detail levels. This amp is fitted original Fender Groove Tubes GT12AX7, which are actually Sovtek 12AX7WC (that described above!).
Authentic Full - $129. If you want to upgrade your preamp tubes, I would recommend the $10 Electro Harmonix 12AX7, the $15 Tung Sol 12AX7 or the $25 Groove Tubes 12AX7M, depending upon how much you want to spend. R=Sovtek Y=EI S=JJ/Tesla. New 80's Chinese 12AX7 - These are NOS grey plate Chinese tubes and sounded the best compared to all the other new tubes. DA: 9 PA: 85 MOZ Rank: 61. but has good balls. Here are my thoughts: Some people might have seen this review already on Petrucciforum. Fender's groove tubes are a varied bunch, in that their different tubes will work better in different amps.
Clean amp for its Age other than a few of the Plastic corners being broken and light scratches. So there may be a variety of different tones. As much of improvement the Mullard RI is over others I tried(JJ & Fender) the Tung-Sol is that much better again. That worked great in the SRZ I owned. There's another well known mob in the UK, Harma, and there's Watford, etc, etc. Last night I was tinkering with the tubes, but I could not get the amp too loud here in the house. Har en intern opbygning, der i udseende minder om Mullard. € 30,00 € 27,00.
The GT tube "flares up" when I turn it on, much more than the JJ, then dims to match the other one. Great for most Fender amplifiers, especially lower gain Fender-type amps. Low stock alert . 12AX7 is a high gain tube often used in the first stages of tube amps. K company that has become one of Europe's leading supliers of tested, graded and guaranteed guitar 12AX7 preamp tubes play a remarkable, dynamic role in the creation of the final tone in your vacuum tube amplifier. Preamp Valves 12ax7 ecc82JJ, 12ax7M | Hot Rox UK graded (see options on the valve page). If you are looking to upgrade the tubes in your amp, 12AX7 in V1 where you want to start. The type of speakes you have also makes a big difference.
power amp tabacco mod marshall 4x12 1960b celestion g12 century preamp v1 groove tubes 7025 v2 groove tubes 12ax7c v3 gr Re: Anyone try the new GT12AX7M Groove tubes? Just a heads up for Toronto area guys,,,Long & McQuade has stock in their warehouse on these tubes,,26 bucks a piece. The categorization for this item is wrong, it's a tube, not an amplifier. I tried the GT6L6GEs at the same time in the power tube slots. So the bottom line is that you can use either of these tubes in your Marshall amp. Select Post New production tubes are absolute crap in terms of quality. Eu tentei o tubo Groove, mas não o JJ, e eu não tive muita sorte com o GT, então eu fico com reedição Sovtek do Mullard. If the stories are true, I expect they'll just sound like crap one day and that'll be that, but until then it's sounding damn good. Quote.
Fast foreward several months; I've installed the Groove tubes 12ax7M's as well as the GT12au7's - wonderful sounding tubes (mullard like?), and to top it off I installed Green lable EH - el34's. Even if you managed to get a good one, it would go bad within a week. Tube is new Find many great new & used options and get the best deals for Groove Tubes 12AX7/ECC83 Vintage Tube at the best online prices at eBay! Free delivery for many products! There are tons of great tones in between the extremes. html#tubes>FAQ</a> I believe I had 3 or 4 12AX7Ms at the time and tried all of them in various combinations. I have gotten a nice tone using a groove tubes 12ax7M (Mullard reissue) in my triaxis. Quite simply the best 9-pin triode preamp tubes you can buy - specifically designed and tested for musical instrument amplification and standard equipment on Fender amps. The two tubes look identical, except for the name, but the quality of the Mullards is much better, I think. groove tubes gt-12ax7m select preamp ΛΥΧΝΙΑ A lower-gain 12AX7 tube, it is a highly musical, harmonically rich and an excellent performer.
Informations concernant les produits amplification guitare de la marque Groove Tubes Groove Tubes também vende uma 12AX7M feitos nos EUA, e parece que TAD é, aparentemente, agora vendendo este tubo. , if a little fuzzy and diffuse) This was another step in the right direction as the amp has taken on more of a golden Before you touch the 5881 tubes (which are basically the military version of the 6L6) in your new Onix SP3, do yourself a favor and install a pair of the Groove Tubes 12AX7-M "Mullard Reissues. Re: Done with Groove Tubes I have used Groove Tubes, as well as JJs and Rubies, old RCAs, etc. It’s also a great upgrade for any high gain amp, for improved definition and stability (less squealing). Mind you, this is what Myles does in semi-retirement. Could hear no real difference between the JJs and Groove Tubes. Another thing to consider is the location in the amplifier of the preamp tube you are replacing. About Groove Tubes® For over 30 years, Groove Tubes have been trusted and demanded by touring professionals and their techs around the world.
As I am a dealer for Mojo Tone, All Parts, Trek II, New Sensor\Sovtek, Groove Tubes, Ruby Tubes, D’Addario\Planet Waves, I can get you parts at a discount. TAD from Germany is another. For amp makers I personally think the JJs are great tubes, with a very good sound and good reliability. Preamp tubes will be evaluated this month; power tubes will be reported next month. View and Download Groove Tubes GT-5751M specifications online. Its a clone of the classic Mullard British tube. com or Hugeracksinc. from united states.
This "high grade" pre-stage tube is insensitive to microphonic behaviour and is characterised by a round, harmonious sound as well as a long service life. The 6L6GE, 6CA7GE and 12AX7M tubes were what I termed "NVM", new vintage manufacture. My local amp tech has recommended putting Groove Tubes EL34's and 12AX7's in my 1982 2204. I've read a lot of people find these to be "dark", I haven't had that experience with them. Screamin' So i finally got around to ordering some preamp tubes for my rockerverb. The Groove Tubes 12AX7 Mullard reissue was instigated by Aspen Pittman with Groove Tubes following the Mullard design and production techniques meticulously. IMHO these are what the GT-12AX7M's wish they sounded like. Horrible tubes.
au $213. the 12AX7EH is a close second. General preamp tubes = Electro Harmonix and Shuguang 9th gen Chinese. I love Groove Tubes I have put only Groove Tubes in my amps for over 3 years. 5% similar) This is just 1 tube. " You'll find the bass to better defined and the mids livelier without giving anything up in terms of detail and speed. groove tubes 12ax7m
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