Sylvania 6l6gc review


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Sylvania 6l6gc review

1. Of all the 6L6 variants under scrutiny, with the Electro-Harmonix 6L6EH as yardstick, which had the tendency of tipping the scale slightly towards the highs, the Sylvania (branded RCA) 6L6GC and Russian PAДИO 6n3c were more balanced. I just currently finished a tube preamp using a 6SN7 dual-triode,I've heard of really good NOS tubes to use,like the RCA red base,Mullards,and other various tubes,but these are usually expensive. This TAD 6L6GC-STR combines the famous reliability of the american made Philips/Sylvania STR series (also known as MESA 6L6GC-STR415) with the black-plate system of the highly regarded vintage RCA 6L6GC tubes.


The purpose of this comparison is simply to provide guitar players with a frame of reference to help in finding the best current production 6L6GC for their needs. Many people say that these late 70’s amps were cheaply made and not worth any money, and that everything sucked from the tolex to the built in effects. The octagon (stop sign ) around the tube designation was used by many manufacturers, including Sylvania and Raytheon.


This was the valve supplier of choice for output valve for Fender and Sylvania were happy to Above is a Sylvania 6CA7 waiting to be tested on a Hickok 539B tube tester. ( Type: Vacuum Tube ), ( Brand: Sylvania ) Review (mpn: str387 for sale) STR387 Vacuum Nos Sylvania 6l6gc Tested Tube 100% Nib. Peavey made a Peavey Mace VT 2×12 (with stock Eminence alnico speakers), and they made a head version too.


These bottles rock and would sound great in any setup where you want punch, clear highs and a tight bottom. . They were blubbery, flabby, flatulent sounding junk.


They're very well-built, and sound great with a little more midrange clarity than the SED, which has a little warmer character. Soft, medium, and hard style descriptions refer to break up modes of the tube for an overdriven guitar signal. ) 12AX7 Black Plate Review, USA tubes as good as Mullard & Telefunken "The earlier a signal is in the audio chain, the more important it's amplification is.


Sylvania 6l6gc Nosnib 2-tubes Foil O Getter Mint Matched Pair 1970's Usa. Rare Philips ECG Sylvania made 7581A power output tubes. JJ 6L6GC A Comparison of Current Production 12AX7 Tubes.


Re: RCA blackplate - best 6L6 for a blackface Fender? Originally Posted by bluesbishop In my Bassamn , my favorite tubes to date are NOS JAN PHILIPS/SYLVANIA 6L6WGB tubes, I bought mine off of ebay CHEAP, but many online dealers have them at prices way less than those RCA's!! With over 15+ current production / NOS brands and over 100+ different tube types, there's a good chance we have what you're looking for. 6L6GC. These are also great in most vintage and current production Hifi applications as you can tell by some of our customer reviews.


A review of the TAD 6L6GC-STR vacuum tube. Nuvistors. Power tubes (aka output tubes) are typically the biggest ones of the bunch, and they provide the last stage of amplification for the guitar signal before it’s delivered to the While the new manufacture brands of power tubes such as the 6L6GC have always been available and are used with some confidence, new manufacture of the 7591A was a long time coming.


Availability: Usually ships within 24 hours. Will take up to to 500V & up to 30 watts of power. Soft-rated tubes break up easier and have the least headroom, yielding a heavier, harder distortion.


They test as NOS and have true matched reading. after many requests and emails, i have decided to pull out my finest stock. I've been using JJ's in my Fenders for several years now and I have had no problems.


This is a really nice USA made version of the British classic, and will work fine wherever a KT66, 6L6GC, 6L6, or 7581 is called for. After that, you're into 6L6GC territory. The original first year of production block logo had American made Philips Sylvania 6L6GC output valves that is why they sounded so good and that is the only difference between Block logo and signature 5150 MK 1.


00. They didnt last too long. 4 reviews for SED 6L6GC Winged C Premium Power Tube.


Warning, the name 7581 can be confusing in trying to recall the old and found Sylvania 7581A, American manufacturing. Top Pick – Tung-Sol 6L6GC STR. GE or Sylvania 6L6GC are good budget options here and are easy to find.


In good condition. The two tubes at left are real RCA and Sylvania 6L6GC tubes. 25" H from bottom of A re-post from Wall of Sound (review by Tim Smith).


T. Super 6 Power Tubes (6L6GC / STR-387) $ 58. Shortly after my EL34 tube review on Wall of Sound, Jon Esau of www.


Westinghouse (Canada) 6L6GC Side getter, measures 5000 and 100 % in a non original (servicemaster) box. 625" H from bottom of base to top of glass) (SHORT BOTTLE = 3. 2mm thick heavy duty glass.


this is a matched quad of sylvania phillips 6l6gc tubes. It includes a Gator rack case. It had a metal envelope which was popular at that time for use in radio sets since it was less likely to break than a glass envelope.


Maybe most of the EL34 amps I've heard are less musical to our ears than the KT66/7027/6L6GC type of amps. In Reply to: RE: Sylvania 6L6GC (STR-387) posted by FenderLover on July 05, 2016 at 16:46:16 Steve Those are some of the last American tubes made. Hahaha.


S. I did this in two different BF Bassman amps (AA864 and AB165). Revisions to the original 6L6, such as glass envelopes and increased power handling, yielded new designations such as 6L6G, 6L6GA, 6L6GB, and The amp uses five 12AX7 preamp and four 6L6GC power amp valves and the quality of valves is very important.


Bear in mind, it was designed for the Sovtek short bottle and has 550V on the Found 200 records in Search of Tubes Asylum. A cheaper NOS equivalent is the Phillips or Sylvania JAN 6L6WGB. Tube Test - 12AX7 Tung Sol Reissue This was the last run in January 2012 of the Tung Sol Reissue that I performed at the request of Dan Boul over at www.


The KT77 is an interesting tube and is a drop-in substitute for the EL34. These are the best ones with side halo getters. They sound very good but I still prefer the black plates and the Russian 6P3Se overall.


Review by Tim Smith. 1: Sylvania 6L6GC (11. The Tung-Sol 6L6GC-STR (depending on the amplifier) will lean toward a vintage Fender Blackface GE or RCA sound and the Svetlana SV6L6GC will sound more like the Sylvania 6L6GC tubes found in Fender Silverface amplifiers.


This is a nicely matched pair of military type 6L6 vacuum tubes that will replace any 6L6, 6L6G, 6L6GA, 6L6GB, 6L6WGB and 5881 type tubes. Check out our 6L6 reviews. JJ Tubes 6L6GC Power Vacuum Tube, Matched Quad.


What else is like a 6L6 o 807? never mind the 7027. Tung Sol 6L6GC-STR Initial Impressions Quick Review « on: April 22, 2012, 04:53:17 PM » The Tung Sol tubes came in the other day, so i dropped em in and biased em at 39. Svetlana 6L6GC High Performance Audio Beam Power Tetrode The Svetlana 6L6GC is a glass envelope beam-power tetrode intended for highpower audio amplifier service.


The EL34 is a power after many requests and emails, i have decided to pull out my finest stock. 30. Yeah yeah yeah, me ears are shot and I don't know what real tone is.


A Comparison of Current Production 6L6GC Tubes. Here is a matched pair of 6L6GC made by Sylvania. Vintage Lot of 6 6l6gc all tested with a calibrated tv7 where 25 is min (65%) and 38 is nos there are 4 sylvania 1 ge 1 fender looks like ge no shorts tight base these tested.


Pricing above includes matching in any quantity you need at no extra The 6L6 was introduced in the 1930s and made in the United States. One of the best know is the old Sylvania 6L6 tall bottles with the designation STR387. A bit off the usual topic of conversation, but there are a lot of tube experts floating around these parts.


Read 4 user ratings and reviews on the Svetlana Russian 6L6GC at SameDayMusic. Above is a Sylvania 6CA7 waiting to be tested on a Hickok 539B tube tester. Those have halo getter .


This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. This high quality beam tetrode tubes used in output stages of low frequency amplifiers. Much more toneful than the Sovtek 5881/WGC-WXT.


Sylvania 5932 - Sylvania 6L6 different version - Telefunken 6267 EF806S - Telefunken ECC801S-Tung Sol 5881 - Tung Sol 12AT7 - GT Excl u s i ve E34LS 30 watt EL34 - GT Exclusive KT66HP-GT Exclusive KT88SV (vintage) 42 watt KT88 - Telefunken E88CC / 6922 - Tung Sol 5881-RCA 12AZ7 - GE 5751 - 7868 RCA - 7189 Sylvania - Philips GZ34/5AR4 - Tung Sol 6L6GC / 5881 - Products. 6% similar) Most of our power tubes aretested and biased in one or more of our amps, we use voltage regulators and line conditioners in front of our commercial grade tube testers and all of our tubes are tested at least twice on separate testers to insure accurate and This TAD 6L6GC-STR combines the famous reliability of the american made Philips/Sylvania STR series (also known as MESA 6L6GC-STR415) with the black-plate system of the highly regarded vintage RCA 6L6GC tubes. For the Westinghouse (Canada) 6L6GC Side getter, measures 5000 and 100 % in a non original (servicemaster) box.


Philips 6L6GC - Very nice harmonic content, rich and deep. Best sounding vintage tubes for old audio gear that don't cost 500 dollars each. It´s as if a blanket was taken away.


It's rated at 160 watts 6x 6L6GC power tubes (Original) This amp is bulletproof/ rack mount/ easy, tone machine. thetubestore. So they carry the military code.


Reviews; Q & A. JJ 6L6GC in 5150/6505?? 10-12-2011, 05:39 PM supplying valuable information from news and product reviews, to classified ads and chat rooms. Click for a larger image size To the right is an interesting comparison of different tubes.


Arjay, have you ever seen a Raytheon-made 6L6GC? This maybe a re-labeled GE, RCA, or Sylvania ? Most Raytheon power tubes that I have in my little stash, are mil spec. Came in original box bought 1o years ago from guitar store box was marked jan 6l6wgb with str 387 hand written box not in photo will come in action tested hickok 600 and I 177 b testers 100% special guitartube never used as had no mate. Pair Sylvania 6L6GC STR387 Tubes, NOS, Tested - Strong.


Ruby 6L6GCMSTR vs. Amped guest blogger Kurt Prange, of Amplified Parts, puts 16 separate 6L6GC tubes to the test and comparatively rates their low, mid and high-end response. Locate 6l6gc Nos available for buying today.


com asked if I might be interested in reviewing a bunch of 6L6’s. I don't have any JAN designated 6L6GC. We joined best of both worlds! Silky top end, combined with deep bass response and lots of headroom make this tube a living classic.


The E34L is a special low grid voltage version and is not always interchangeable. If you are a regular reader of Dagogo you know of my love for the sound of the Western Electric 300B vacuum tube. It seems the best of these tubes are being labeled as Mullard 6L6GC now.


1 user review on Tung Sol 6L6GC / 7581. Unfortunately, tube marketers have been sticking letters with no regard to their actual designation, hence you have Groove Tubes and their "list," Mesa and their "STR numbers", ect. These are world class tubes, bottom line.


Re: RCA blackplate - best 6L6 for a blackface Fender? Originally Posted by bluesbishop In my Bassamn , my favorite tubes to date are NOS JAN PHILIPS/SYLVANIA 6L6WGB tubes, I bought mine off of ebay CHEAP, but many online dealers have them at prices way less than those RCA's!! our review of the Winged "C" 6L6GC tube: "This may be the closest thing available if you really want the vintage sound of the large bottle Sylvania and RCA tubes of yesterday. A valves was the GE 6L6 early production and not surprisingly the RCA black plate. " This truism places the 12AX7/ECC83 class at the top of a list for the most important tubes in your amplifier.


View similar products to the Peavey Super 6 6L6 GC / STR-387 Power Tubes (2 Per) in the Vacuum Tubes product category. The two on the right are prolly Rogers labeled, 1970-80's era Sylvania/Philips made 7581A (mil spec or STR 6L6GC). com.


” Original Mullard has never produced 6L6GC tubes, so this is not really a reissue, but a new tube all together. each tube tested great! these are never used! famous for providing the most natural realistic sound in any amplifier using 6l6 tubes. Add to Cart Add to Cart.


Petersburg, Russia, and is designed to be a direct replacement for any 6L6 type. Clarity was perhaps a bit less than the Tung-Sol, but only by the slightest amount. 0 ma, about 55%.


Sylvania 6L6GC U. Of course, the middle tube is the NOS Sylvania 6CA7, and the tube on the right is an NOS USA GE 6CA7. Side getter blasts and larger bottle are the keys.


PH-6L6GC$79. Buy 1970s Gb on eBay now! Used 1970s - $1,302. The Sylvania 6L6GC STR is the tube that Fender requested to be made specifically for hanging upside down in guitar amps.


All are rated at max of 35 watts/tube. Sylvania 38 38 36 38 Ge tested 30 fender tested 48 buyer pays paypal fees and shipping For 6L6GC I liked RCA black plates the most, and round plate Cossor 807s were very good too (this is what is in my amp now but those tubes are difficult to find in NIB condition). From our review: "Balanced, is the first word that comes to mind when I think about the sound I really didn't want to part with this, but my Reeves has taken front seat so, someone else can have the joy of this awesome amp.


Just a bunch of Sylvania and Philips JAN 7581A's. The Sylvania STR-387 has similar ratings to the mil spec Sylvania/Philips or GE 7581A. PS-6L6GC Preferred Series 6L6GC Audio Vacuum Tube From our review: "This tube has a sound that I would characterize as smooth and warm.


I made closer comparisons between the Sylvania and RCA 6L6GC. The EC 300B was designed and built by Nobu Shishido, before he died. + shipping to lower 48 states only.


use for the finest hi fi audiophile amplifiers or use in hi end guitar amps. A Watford Valves - Test Reviews The real star of the U. 09) Posted by steven oda on 2004-11-12, another positive review of the Sylvania 12AT7.


6L6GC Power Tube MQvacuum tube, valve, analog, vintage audio, amp component, amplifier, hotwire, hot rod, Russian tube, tubes, guitar amp, hifi, output tube, power My Ares came with stock JJ 6L6GC. These are highly recommended for Dumble type circuits Two-Rock amplifiers, Bludotone, Glaswerks and any other guitar amplifier where you want a super beefy 6L6GC type tube. 6L6GC / 6L6GB Sylvania 1960 - 1970's (excellent sound second only to RCA Black Plate, also see 5881 Tungsol, Sylvania) - Fender Bassman 1968 - Fender Tremolux 1968 - Mesa Boogie Mark IIC+ 1980 - Mesa 400 - Two Rock K&M Ltd.


Reviews are mixed: most say they're the best value NOS out there, others say they're not a patch on the TS originals. Manual Cut Sheet; Warnings California Proposition Depending on the amplifier that you own, the Tung-Sol 6L6GC-STR will generally learn more towards the sound of a vintage Fender Blackface GE or RCA sound. 95Price is for a matched pair.


RCA introduced the 6L6 to the world in the 1930 s. When it finally did come, the tubes which appeared at first were not exact replacements. JAN-Sylvania 5881The JAN-Sylvania 5881 is a classic tube with classic tone.


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. Silky top end, combined with deep bass response and lots of headroom make this tube a living classic. 30-day warranty against manufacturing defects.


6L6GC/6L6G/6L6WGB/7581A. 6L6GC is a beam power pentode with an octal base and power of 30W for use in 6L6 amplifiers. Sylvania 6L6GCs.


“6L6GC Mullard is a rugged reliable replacement for any 6L6 or 5881 type. Those are very close tho and you may like them better depending on where they are used. Replaced a quad of JJ 6L6GC and it´s a night and day difference.


3% similar) All test close on calibrated tv 7 tester as follows 84,, all made in the late 1960s. Bass response is bigger than most but not boomy, so you still get good note definition. The high end is articulate but not sharp or brittle.


65amps. Found 200 records in Search of Tubes Asylum. It's a newer style of a Sylvania/Phillips copy with no where near the harmonic content of the 420's.


These and successive developments may take 600VDC (or more) on the plate. MATCHED PAIR! NOS in original military boxes and white box. Perfect drop-in replacement for any 6L6GC amplifier.


MATCHED PAIR OF Military 6L6Wgb 5932 Sylvania Vacuum Tubes (Bjr1094) - $54. The 6CA7 is technically a different tube and has a bit more of an American tone as well as being much fatter. The midrange is very nice and thick without any tendency to sound nasal.


That's the only EL34 amps we really like. Note the taller bulb of the Russian tube and the fact that the black base is slightly larger than the sonic performance. I prefer the ruby 6L6gc mstr over them for clean headroom with smooth highs and tight bass.


The Tungsol 6L6GC-STR is a good choice for any new or vintage guitar amp. The ratings 7581 are roughly the same as the 6L6GC while the 7581A has higher ratings. It had a metal envelope which was popular at that time for use in radio sets since it was For sale is a quad set of Phillips/Sylvania STR-387 6l6GC.


Sylvania 6L6GC (USA) side getter 5000 and 100%, original box, Sylvania 6L6GC (USA) top getter 4200/95%, original box. gear. I've got some of these but I've not tried them.


Sylvania 6L6 6L6GC for sale. B7-12, S11VM 6L6G tube ec 360 tube 6l6g sylvania 6l6 1N30 tube 1n30 6l6 push-pull audio circuit ST16 TRIODE itl S11V: Sylvania 6L6GC. Add To Cart Find A Dealer.


This is the best tube amp I have ever heard. The 7581/A tube is an industrial strength version of the 6L6GC which is also said to be the American equivalent to the British KT-66. These have been going for twice the $$$ of that STR-387 quad in the Ebay ad.


After more than one year of use I don't consider this tube as a 7581A but as a 6L6GC since it dissipates a Pmax of 30W. This stubby bottle, black base 5881 tube is the same tube occasionally found labelled JAN-Philips 6L6WGB. I recently had a blackface Fender Bassman amp restored and was wondering about which 6l6 tube would give me the best tone.


Review (mpn: str-415 for sale) STR-415 6l6gc Tall Sylvania Matched Special Design Oo-gtr 6l6-gc Pair Bottle Tubes Most of our power tubes aretested and biased in one or more of our amps, we use voltage regulators and line conditioners in front of our commercial grade tube testers and all of our tubes are tested at least twice on separate I love the JJ 6L6GC in my mofo. Some amplifiers can accommodate either 6L6 or EL34 tubes. 6L6GC types can dissipate 30W and handle plate voltages up to 500V.


see reviews at: fenderforum "TAD Tubes Question" and fenderforum "TAD small bottle" KT66 / 7581A (6L6GC equivalent) 1960s vintage Sylvania made, made in USA blackbase, clear glass. The small bottle "stubbies" modeled after the original Tung Sol 5881, the tall bottles based on the original Sylvania 6l6GC STR, and the clear tops that have the side getter construction of the famous black plate RCA 6l6GC. Along with Mullard 6L6GC, these new generation 6L6GC tubes are packaged in a compact form.


OK, so the 6146 does not belong in this set. Tung-Sol 6L6GC-STR New production tube made by New Sensor in the Reflektor factory in Russia. I believe the 6L6 or 6L6GC is The STR-440 is a Ruby/Shuguang 6L6GC MSTR.


Tube Data Sheet Locator. SINGLE TUBES ARE $80. Meanwhile, the Svetlana SV6L6GC is going to sound more like the Fender Silverface amplifier, which was originally stocked with .


I just put a matched quad Tung-Sol 6L6GC-STRs in my 50/50 (deep modded, adjustable bias) today. com This is the current "Tung Sol" tube from New Sensor. The freakin' demi-god of NOS 6L6s apparently.


Visseaux 6L6G (Back to review index). Their peak of quality came just before the Transistor put them under sometime in the 1970s. But, recently I just swapped out a pair of (almost) new JJ 6L6's for a pair of SED 6L6GC's.


Amped GUEST blogger kurt says "The purpose of this comparison is simply to provide guitar players with a frame of reference to help in finding the best current production 6L6GC for their needs. Nice breakup and not too harsh. Very nice Gm match on these.


The Svetlana 6L6GC features: Design and construction based on the Sylvania 6L6GC/STR387; Extra-rugged . Well the brown truck dropped off my Winged =C= 6L6GC's today. With mid 1960-70's logo.


Both tubes have in common than being modified 6L6GC: Tung Sol today is not so much as the old Sylvania 7581A The original 6CA7 was made by Sylvania or GE, these were the American equivalent to the EL34, which was a British tube. Sovtek 5881WXT. they are designed to be like sylvania 6L6GC STR.


Fender chose Sylvania as this was the 6L6GC that gave them the clearest and most open sounding 6L6GC. The JJ 6L6GC is a work of art! And it sounds as good as it looks. For the You don't see Tung Sol 6L6GC's -- they're very rare in comparison! The inked 322 code Tung Sol 6L6GC is exceedingly rare.


Rca 6l6gc 2-tubes A-nos Black Plate Holy Get the guaranteed best prices on Dual Matched with fast and free shipping. You can use 6L6GC in a 5881 amp design but not 5881 in a 6L6GC (6L6WGC) one. Another interesting option is GE Westinghouse (Canada) 6L6GC Side getter, measures 5000 and 100 % in a non original (servicemaster) box.


Mike, The Visseaux 6L6Gs are quite possibly the best sounding 6L6 type I have ever heard -- including RCA blackplates. 7581a Kt 66 Reviews. This tube is only 80mm high (without pins) and can replace 5881 or 6L6WGB tubes.


I really like the small bottle new Tung Sol 6L6GC, but according to Doug's Tubes the quality has slipped recently. I really didn't want to part with this, but my Reeves has taken front seat so, someone else can have the joy of this awesome amp. It has a lot of headroom and a fat, solid tone.


The only exception to our ears is the Vintage Marantz 9 PP amp from the 60s. Dropped em in my G40V, and played em for about 2 hours (really ticked the missess off!). If you have always wanted a 300B SET this amp is for you.


Phillips have patented the power pentode, so American companies developed the beam tetrode top compete. I didn't miss the syrupy sweetness. The 7581-A tube has a plate dissipation rating of 35W, as opposed to the 6L6GC and 7581 rating of 30W.


Both tubes have in common than being modified 6L6GC: Tung Sol today is not so much as the old Sylvania 7581A after many requests and emails, i have decided to pull out my finest stock. Silky top end combined with deep bass response and lots of headroom make this 6L6 tube a living classic. 7581a Kt66 Nos Nib Ge Usa For Sylvania Beam Power Output Amplifier Tube 6l6gc.


Warning: Substitutes are given as a guide only - please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. I've been experimenting for years working to find the right mix of good sounding and reliable 6L6 tubes to stock here at the shop. Get the guaranteed best price on Power Tubes like the Tung-Sol 6L6GC STR Matched Power Tubes at Musician's Friend.


Or: Common and fairly inexpensive wonderful sounding vintage audio tubes for your unmodified McIntosh, Dynaco, Marantz, Fisher, Scott, etc. in all respect who says this guy even plays guitar and is not just someone who enjoys learning and teaching about tube characteristics. The JJ has kind of a rich golden growl, whereas the Sovtek sounds gray to me.


Please be sure to review all my other auctions after you have looked at this one! I will be listing a broad and diverse range of vintage communications and technology items, related books, periodicals and ephemera 1970s Gb Review. The 6L6GC tubes we carry work great in any 6L6 tube amps. Sylvania redesigned the valve specifically for Fender hence the term STR was applied to the valve which means special tube request.


Get a low price and free shipping on thousands of items. On the left is an NOS USA Sylvania 6L6GC. 91.


Or: When you want to put classic vintage tubes in your collectible audio gear and not spend a fortune, these are the ones. RCA and Sylvania first introduced the 12AX7 to the world in the late 1940s. 5881MP-SYL Tube, Beam Power Amplifier, Matched Pair, 5881/6L6WGB, Sylvania TAD (tube amp doctor) 6L6GC-STR Tubes?? like the Sylvania STR 387 or the JAN Phillips 7581? Its a review from a well respected source.


Had them tested all test good but im not sure how much life is in them. The two 6L6GC's on the left are Owensboro made GE tubes. 95 pair/duet Efficient and built to withstand the heavy rigors of higher plate voltages.


Thanks for the review. The amp uses five 12AX7 preamp and four 6L6GC power amp valves and the quality of valves is very important. This was a well balanced tube with a wide spectrum of colors and the right degree of valve bloom.


The current retail price of $27,900 is the current price but it no longer comes with Western Electric 300Bs or NOS 6L6GC tubes. Close manufacturing specification tolerances and improv ed processing provide improved reliability and superior sonic performance. RCA made both greyplate end blackplate power tubes, such as 6V6GT's for example.


Uprated mil-spec construction these tubes are built to last. I tried the SED but found it to be lackluster in this circuit. I swapped them out for super awesome mega cool NOS Sylvania 6L6GC STR-387s.


It has double mica spacers but otherwise looks and sounds identical to the famous Sylvania 6L6GC STR. To my ears they are good, solid tubes. Return Window.


Goes for about $70-90 a pair. Every one I have ever EL-6L6GC$28. When a buyer goes to the tube maker and delivers a specific set of specifications the tube goes into production as a S.


The 7581 is part of the category of 6L6GC, it is Russian production. Now, just to lay down the foundation for my review: My amp originally came with chinese 6L6's. roadhog96 6L6 - Planium matched pair - Electro Harmonix - 6L6 - Planium matched pair - Electro Harmonix Look at the back of any all-tube amp, and you’ll see warmly glowing glass bottles in a variety of shapes and sizes.


Tremendous harmonic content and an overall depth in sound make these another excellent choice for the purist. Tung Sol 6L6GC-STR - $46. After this unscheduled intermission, I put the Sylvania 6L6GC tubes back and the TU-879S played music once more.


$160. 6L6GC can replace any other 6L6 or 5881 type tubes. There are basically three (3) types.


Showing 1 to 8 of 8 (1 Pages) Show: Sylvania JAN CHS 6L6GA 6L6 GA MATCHED QUAD NOS/NIB Amplitrex Tested . Shop with confidence. The 7581A tube can be used in any 6L6 based tube circuit.


We believe that a wide selection and choice of vacuum tubes will benefit you on your journey for the tones you want. A few months ago it seemed it was time to replace the 6L6GCs and the JAN Philips 7581A (6L6GC) This is the mil spec version of the Philips 6L6GC. Our top selling go-to 6L6GC tube is TungSol 6L6GC-STR.


Nuvistors were the latest tube development at just about the same time as the introduction of the first integrated semi­conductor circuits. Upload up to 3 images for your review (GIF, PNG, JPG, JPEG): Name * NessTone Premium Hand Selected 6L6GC. The nuvistor was developed by RCA and it was first introduced in 1959.


" The Bugera 6L6GC Matched Power Pentode Amplifier Tubes are sold in a set of 4 and deliver classic, clean guitar tone and warmth. RCA introduced the 6L6 to the world in the 1930s. This tube is an upgraded 6L6GC tube but willprovide more headroom than typical 6L6GC tubes.


The 6P3S output beam tetrode are miniature devices enclosed in glass bulb and are provided with a octal (8-pin) base, rigit leads and an indirectly heated oxide-coated cathode. The impedance of these tubes more closely matches a 6L6GC and is higher than the impedance of an EL34 so if you have a specific application which is an EL34 only circuit please contact us about using them. 99.


After installing thousands of tubes, here are my three top picks and why. This tube has only been around a few years. Know Your Amp: Different Kinds of Tubes The Sylvania replacement manual listed the 6L6GC as a beam power pentode back then.


- Fender - Ampeg B15 (B-15) - Fender Showman 1972 - Leben - EICO HF20 (TALL BOTTLE = 3. Sylvania 6l6gc - $195. The lows are deep, big and round.


sylvania 6l6-gc 6l6gc Is Similar To: Str-415 6l6-gc 6l6gc Sylvania Tubes Tall Bottle Oo-gtr Special Design Matched Pair (89. The JJ 6L6-GC tube will work well in any guitar or Hi-Fi amplifier such as Peavey, Fender, Mesa, Soldano, Bogner etc, and is sold as a matched quad. R.


My Wavac EC300B is decked out with two NOS WE 300Bs, two NOS Sylvania 6L6GC driver tubes and a pair of NOS WE 435As. The 7581 has a plate voltage rating of 500 V--35 watts (5 watts more than the 6L6GC) and a screen rating of 450V--5 watts. The small form Today, the 6L6GC is one of the most common power tubes used for electric guitar amplification and there is an almost overwhelming supply of current production options to choose from.


They switched to greyplate with their preamp tubes early, maby in the 1950's. 99 USD. 30 Watt Tubes Sylvania 6L6GC (used for reference) - Another classic brought in for reference The Svetlana 6L6 Medium tubes have the classic Sylvania STR sound.


Description. Rca 6l6gc - $242. However the Sovtek 5881 (aka 6L6WXT+) is derived from soviet military spec and is an uprated type which will take even more than the 6L6GC.


Item #: 00053120. And honestly very little difference lol. Shipped with USPS First Class Package.


Powerful yet musical ( except for the price tag. 6L6GC #1, #2, #3 - False country of Origin. Thanks to its robust construction it is very reliable.


If you follow GT's designations, an RCA, GE, or Sylvania 6L6GC is supposed to be made in either Russia or China, and a Tungsol 6L6GB is a Russian tube. Early on it was primarily used in radio sets, with a metal envelope to prevent breakage. The 6CA7 is a beam tetrode/"beam power tube", same as the 6L6GC and 6550 and other American tubes.


Get the guaranteed best price on Power Tubes like the JJ Electronics 6L6GC Power Vacuum Tube at Musician's Friend. sylvania 1-6l6gc 3-5881 and 1-6l6gc Is Similar To: Matching Nos Sylvania 12au7 Jan 5814a Quad Tubes (32. I thought the JJs were pretty decent but compared to the Tung-Sols they sounded dull, flat and lifeless.


Perfect replacement for the output valves used in the reissue Marshall JTM-45 head and Bluesbreaker Combo amplifiers. Abstract: 100 w guitar amplifier 6l6gc sylvania str387 6L6GC PIN CONNECTION tube 6L6 Svetlana SV6L6GC MICA WAFER sylvania 6l6 Text: designed to be a direct replacement for any 6L6 type. OEM 6l6 Tube This TAD 6L6GC-STR combines the famous reliability of the american made Philips/Sylvania STR series (also known as MESA 6L6GC-STR415) with the black-plate system of the highly regarded vintage RCA 6L6GC tubes.


Very nice sounding tube. 7581A refers to an unaviable Sylvania which was a kind of 6L6 dissipating 35W, the only 6L6 that ever delivred such a Pmax. The mids are very harmonically rich and natural while the highs are thick, The TAD 6L6GC-STR and the TAD 6L6WGC-STR have our exclusive black-plate desings, gold grid wire, double getter construction, no-noise filaments and 1.


It happens to be one of my two favorite tubes, right up there tied with the majestic 845 that I use in my Line Magnetic amplifier. 6L6 Tube Review . These are followed by National and Raytheon tubes falsely branded "made in England", and then by a tube correctly branded "made in Russia".


Tung Sol was a most fanatical lab centric developer & builder of tubes here in the USA. To my knowledge, there never was a greyplate 6L6GC by RCA. The TAD 6L6GC-STR is matched for plate current and transconductance and has the look of an old Sylvania.


It's not so much the feel as it is the colour. The Svetlana 6L6GC is manufactured in the Svetlana fact ory in St. Sylvania Philips 6l6gc Nosnib 2-tubes Str-415 Foil Oo Matched Pair 1980's Usa $216.


00 Amperex 6l6gc Nosnib 2-tubes Dd Gtr Oval Mica 1-matched Pair 3 Pr-available Find great deals on eBay for 6l6 tube and 6l6g tube. But really I think most people just have a touch of placebo effect Shop our full catalog of 6l6gc Nos and other relevant listings available on sale this week. This tube is somewhere between an EL34 and 6L6GC in terms of design and tone.


making the curves: view datasheet, zoom curve to largest displayable size, alt-printscreen, save to bitmap, increase size to 3000 pixels wide to reduce errors, calibrate pixels per mA and pixels per V for each axis, resize all to arbitrary standard pixels per Ma and pixels per V, increase contrast Current Top Sellers. Main reason plate voltage rating. A re-post from Wall of Sound (review by Tim Smith).


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