6sj7 preamp

Fender used it as the one, and only, 'high gain', preamp tube in their 5 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 Some early Fenders and Gibsons like the GA20 used octal preamp tubes like the 6SJ7. But the triode has less noise, and the added stage allows a better gain structure (you don't have to put the volume control on the 6V6 grid, ugh). Just about as basic as it gets. Call now! 516 DiscoverCircuits has 45,000+ free electronic Electronic Circuits or Electronic SchematicsAudio Preamplifier circuits, schematics or diagrams. Since the 6SJ7 preamp 12AX7 vacuum tube Included is all components required to make a working amp including: NOS 6SJ7 Pentode pre-amp tube, JJ 6V6GT power tube and 5Y3 rectifier); Orange Drop andMallory caps; CARBON FILM & CARBON COMPOSITION resistors; SWITCHCRAFT jacks, ALPHA and BOURNS pots; BELTON Micalex tube sockets & tube 6SJ7, 5693, 717A, 713A, 6SH7, 6SD7, 6J8P, 6*8 Currently use in my Musical Paradise MP-301 Shuguang 6J8P - $20/pair Use commonly in many of the Chinese tube amplifier. Click pic to enlarge. 2 V, showing that the plate current, 0. lonewolfblues. Can I solicit some opinions from anyone who has tried any octal preamp tubes? The 6SJ7 is a pentode preamp tube that was used in the first Purchase 6SJ7 vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. php?f=2&t=1305Jan 22, 2016 My take on the Janamp was built with a bridged noval socket for 12A*7's and an octal socket wired for a 6SJ7 as preamps. By Vintage Guitar. Shop with confidence. JE Labs phono and line preamp Get link; Facebook; Twitter; The WE91 with 6SJ7 input/driver and Audio Note 3K OPTs sounded very musical to my ears however I found Replace 12AU7 with 6SN7 ? Hello Guys ! as the Triton 3 design includes 6SJ7 tubes along with the 12AU7s. 99 • See Photos! RCA RK-145 Tube Preamp Amplifier Vintage 6AT6 6SJ7 6SLJ GT Requires a 300B Single-Ended (SE) Tube Amplifier Schematic with 6SN7 input stage. com The first two stages uses pentode 6SJ7 (6J8P) for pre-amplifying and twin-triode 6SN7 Gibson Tube Amp Specifications I would like to thank Björn Preamp. this is our very best preamp, a 4 tube line stage only preamp, includes tube power supply, the best preamp I've ever built !! Tube Mic & Tube Pre? When was the last time you saw a new tube preamp designed with a 12 or 6SJ7, Most of these preamps while they might indicate that they The glass 6SJ7 is physically and sonically head and shoulders above its metal counterpart. Perfect 6SJ7 upgrade for: Gibson BR9 Gibson GA-5T Gibson GA-20 Gibson GA-25 Gibson GA-50 FENDER CHAMPION 800 LECTRON JH50 amp Musical Paradise MP-301 MK2 Integrated 6SJ7: 21: 12FX5: 13: 6669: 12: GZ34: 5: 6CG7: 31: 6SL7: 17: 12SL7: 17: 6679: 23: KT66: 10: 6CX8: 27: 6SN7: 17: 12SN7: 17: VACUUM TUBE PINOUTS vacuum tubes; valves Find great deals on eBay for rca 6sj7 and 6sj7 tube. Has anyone used them inIt takes $0. Read our reviews or we'll help you with a recommendation. Has anyone used them in Re-tube your Fender Champ (6SJ7 models) Amp with our tube sets. Find great deals for RCA 6SJ7 Vintage Tube & Tube Socket. Due to this feedback loop the input Sonic Pipe Amplifiers have designed the paramount of small amplifiers with its astounding array of tonal attributes at various settings. ask. Some early Fenders and Gibsons like the GA20 used octal preamp tubes like the 6SJ7. If your amp has a decal that tells you to use only genuine Radiotron tubes, then it's referring to the same series as the 6SJ7 12AX7. Tubes For Amps is your source for all things vacuum tubes. 00: NEW RCA FOR SEEBURG VINTAGE TUBE Feb 11, 2014 · Most tubes which are presented within the Tube of the Month series are outside the amps and preamps regardless if triode wired 6SJ7. My 6SJ7 gave a gain of -60 at V bb = 90 V, and V p was 27. I did not wire the cap going from screen to ground because it 6SJ7 vs. Get the guaranteed best price on Preamp Tubes like the Groove Tubes Substi-Tube 1 6SJ7 to 12AX7 Octal to 9-Pin Adapter at Musician's Friend. This might mean they're 100% compatible. 6SN7 Discussion in 'Amp One of my amps, a '58 Ampeg New Yorker, curiously has 6SJ7 in the tube chart for ch 2's preamp scribbled out and 6SN7 written in. . Octal, IO) K8A, USA 1935 and Universal shown. com is Sonic Pipe Amplifiers have designed the paramount of small amplifiers with its astounding array of tonal attributes at various settings. Sonic Pipe Amplifiers have designed the paramount of Our collection of Hi-Fi Audio Schematics. The 6SJ7 is a drop-in replacement for many Since the 6SJ7 preamp 12AX7 vacuum tube produces well I just finished building a simple SE amp based on the Fender 5C1 Champ, that uses a 6SJ7 pentode for the preamp. The octal preamp tubes I am familar with were used in tweed Fenders and many other vintage tube amps. Share on Facebook. Gallary: Amplifier model : Pic. I set it up just like the EF86 pentode in an VOX Paleo-Electronics Clueless Idiots and Input to preamp to power amp to speaker. Moderators: rock Both tubes are cheap but 7C7 is more "weird" so I'm trying to see if it will work as a 6SJ7 preamp Aireon JukeBox Amp. I really like the sound of the 6SJ7, it has a great old school crunch. 6sj7 preampDec 19, 2006 I just finished building a simple SE amp based on the Fender 5C1 Champ, that uses a 6SJ7 pentode for the preamp. they have a wonderful full round sound. The 6SJ7 is a high gain screened pentode and dates from the mid 1940s. Tube-specific discussions. I want to build a mono block EL84 amp and I have some 6SJ7's laying around and was wondering if I could use them as the preamp tube instead of a 12AX7? or would the Gibson Post-WWII. Single-ended design with a 6SJ7 and 6J7 tubes Find great deals for RCA 6SJ7 Vintage Tube & Tube Socket. These are great sounding RCA built 6SJ7 for your vintage or DIY amps! Classic Amps: The 1954 Gibson GA-5 Les Paul Junior Amp. Discovercircuits. The 6SJ7 is a general purpose sharp cutoff pentode suitable for both AF and RF amplification. 95. Has anyone used them in First off, hello to the forum! So a few months ago I got an old PA head from my dad. RCA also made a long life version I built a little SE amp using a 6SJ7 as the preamp tube and there is enough gain to drive the single 6L6 output tube. Most of the manufacturer's audio tubes, including the 6SJ7, share the branded name Radiotron. We carry premium hand selected vacuum tubes for guitar and HiFi amps. View as: List Grid Show. C $19. per 6SJ7 Tube, Sharp-Cutoff Pentode, US Brands. Fender used it as the one, and only, 'high gain', preamp tube in their 5 My 6SJ7 gave a gain of -60 at V bb = 90 V, and V p was 27. Output power is about 8 Watts. 6SJ7 Octal Preamp: Here you'll find a modest collection of some interesting tube amplifier schematics. How does the overdrive characteristics of a 6SJ7 in the preamp compare with that of a 12AX7, gain levels aside? I have a small Rickenbacher tube amp with a 6SJ7 that sounds rather harsh across all frequencies even with a 6V6 power tube, so I was wondering if it could be a characteristic of the 6SJ7 that Dec 19, 2006 I just finished building a simple SE amp based on the Fender 5C1 Champ, that uses a 6SJ7 pentode for the preamp. Output: 6J4P X2 or 6Ж4/6Ж8/6AC7/6J8P/6SJ7. Included are schesmatics for diy amplifiers and for some popular vintage Hi-Fi Audio Components. Radio tubes are valves. Purchase 6SJ7 vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. But since you already have a 6SN7 based preamp, Single Ended Class A 6V6 6J5 Valve (Vacuum Tube) Amplifier Circuit This is my first successful vacuum tube project. Also gain-per-stage and impedances are lower, it is less likely to be unstable. 99 • See Photos! RCA RK-145 Tube Preamp Amplifier Vintage 6AT6 6SJ7 6SLJ GT Requires a The coockie help us to improve site performance and provide a better service and custom By using the website you accept the use of cookies for all uses connected. It has 6SJ7 in the preamp, I'm looking to switch Amps using 6SL7 preamps Discussion in 'Amps A EF86 is a pentode, whole different creature, the octal equivalent for that is the 6SJ7, Hi guys, I asked this question earlier in another thread but I didn't get any answers, hope you don't mind if I try rephrasing my question. Brook Model 7 Mono Preamplifier, Part II: 6SJ7, VT116 2 RCA 5693 TUBES 6SJ7 | Consumer Electronics, Vintage Electronics, NOS Pair National 6SJ7 - audio radio Preamp Tubes NIB. 2 V, showing that the plate current, 0. James Egolf. The 300B tube work at SET Single Ended Triode mode to driver Read 6sj7 Tubes Reviews and Customer Ratings on intubation tubes,nixy tubes,6v6 tubes,prp tubes, Reviews, Home Improvement,Consumer Electronics,Home Amplifier User Manual Analog Metric www. Put a 50Kohm or 100Kohm pot (log or audiotaper) in f VACUUM TUBES CATALOG: OCTAL TUBE TYPES 6SN7,6SL7,ETC. I've tried 6SJ7 and EF 86. 63 mA, should be reduced a little to raise the plate to about 45 V. There is a circuit for a 3-stage ‘mixing preamp’ featuring EF86 pentode inputs with a 12Ax7 on the back end, as the 2nd tube is a 6SJ7, Tube 6SJ7 or Röhre 6SJ7 ID2716, Vacuum Pentode, Octal (Int. I am ramping up to do a build with a pentode preamp first stage. I bought this Aireon audio amplifier at an auction primarily for the transformers. Single-ended design with a 6SJ7 and 6J7 tubes More 6sj7 Preamp images I want to build a mono block EL84 amp and I have some 6SJ7's laying around and was wondering if I could use them as the preamp tube instead of a 12AX7? I just finished building a simple SE amp based on the Fender 5C1 Champ, that uses a 6SJ7 pentode for the preamp. It is a sharp cut-off type and is specified for RF or AF use. All ANOS tubes test new 5693 (6SJ7) RCA REDS RCA RK-145 Tube Preamp Amplifier Vintage 6AT6 6SJ7 6SLJ GT FOR SALE • $0. it is a low noise tube Soviet (OTK) 6米8(NOS) - $40/pair a good replacement for the 6J8P tube RCA KENRAD 6SH7…Nov 23, 2015 The Windy City is really howlin' some fierce tone at an extremely low price of $375 plus shipping. Please see the substitutes at the Tubes are 6SJ7 preamp, 6F6 power tube in Class A, and 80 rectifier. Call if you'd like to know the The Fender Champ was a guitar amplifier made by Fender. Our tube replacement kits are made for your amp and come in different option levels. This is the non-vibrato input preamp. Nov 22, 2015 · The Windy City is really howlin’ some fierce tone at an extremely low price of $375 plus shipping. Service Info; Hammond Organ; V-1 6SJ7 Input tube. 63 mA, should be reduced a little to raise the plate to about 45 V. I set up the output for an EL34 instead of a 6V6, which involved just putting a 300 ohm cathode resistor in so the EL34 runs around 19 watts dissapation. 6J7 preamp. Sonic Pipe Amplifiers have designed the paramount of small 6SJ7-5Z4-6V6 All Metal Tube, Single-Ended Amplifier - YouTube www. using one 6SJ7 pentode in the preamplifier section to provide a single stage of voltage amplification, Fender Champion 600. 09 + Shipping . com/youtube?q=6sj7+preamp&v=ap4dzCO7vLo Oct 4, 2012 Ultra-linear connection, the negative feedback from the primary tap of the output transformer to the cathode of 6SJ7 (5693) Power transformer: Tango PH-100 ( Lone Wolf Blues Harp Forum • View topic - 6SJ7's 6SL7's and www. Radio Tubes 6SJ7 6SJ7 / 6SN7 / 6SL7. Find great deals on eBay for 6sj7 and 5693 tube. Formerly BOI AudioWorks. New Location & Expansion - Big Things are Happening! VIVA TUBES is so excited to announce that we have moved to a new location that … Randy Miller's 6T9 Compactron Matched Trio 6SJ7 GE NOS NIB Tubes Hickok 800 tested NOS will combine NOS Pair National 6SJ7 audio radio Preamp Tubes NIB $15. The 6SJ7 is a drop-in replacement for many Since the 6SJ7 preamp 12AX7 vacuum tube produces well Purchase 6SJ7 vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. 6SJ7 Octal Preamp: Servicing the Hammond B-2/C-2 Type Pre-Amp. Above: The BRDCSTR, a two-stage vacuum-tube microphone preamp inspired by classic 1940s broadcast audio preamps. The amp also 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 The tube driver section is also new and sports 6SJ7 metal vacuum tubes for a much better Ayon Audio in “High Fidelity” - Line Preamplifier Nov 22, 2015 · The Windy City is really howlin’ some fierce tone at an extremely low price of $375 plus shipping. How The Lopez Guitar Amp The preamp has a couple of 12AX7A triode stages and a 6SJ7 pentode stage for nice overdrive and compression. Possible choices are the EF86 as in the trainwreck/Vox/Route66, the 6SJ7 as in the really nice Gibson 800-B Bass Preamp Head Schematic Contents: Schematics, Note: Tube List: 6SJ7, 6SQ7, 6SQ7, 6V6, 6V6, 5Y3 This version has dual 6SQ7's as drivers. Amps n More Discussion Forums The innards between a 6SJ7 and 6SJ7GT were identical, which is saying a lot considering octal preamp tubes reputation being The easiest way to mod your amp is to try a different preamp tube. Since the 6SJ7 preamp 12AX7 vacuum tube Sep 8, 2005 There are several boutique guitar amps using these tubes. The output of this small 51 useful links about About preamps for ham radio use collected in Technical Reference/Preamplifiers at The DXZone tranter heat exchanger model uxp 005 m 6 sj 7 new, assortment brands all 6sj7 lot of 40 untested, replacement for proxima dp 9200 lamp housing, rca crc 6sj7 I just finished building a simple SE amp based on the Fender 5C1 Champ, that uses a 6SJ7 pentode for the preamp. Add to Cart. Price is for a Single Tube $ 6 Re-tube your Fender Champ (6SJ7 models) Amp with our tube sets. The originals shipped with a 6SJ7 preamp Using a 12AX7 in the preamp section also allowed the amp gurus at Fender to design Amps n More Discussion Forums The innards between a 6SJ7 and 6SJ7GT were identical, which is saying a lot considering octal preamp tubes reputation being The easiest way to mod your amp is to try a different preamp tube. 6SJ7: 6V6 : Pentode Preamp: Champ 5E1: 12AX7 Altec Lansing A-323B Amplifier . I set up the output for an EL34 instead of a 6V6 Elekit TU-8500 Stereo Tube Preamplifier Kit; NOS-6SJ7 This is a suitable replacement for any 6SJ7 tube type. For the glass version you would want to see the 6SJ7GT. Get a low price and free Pre-amplifier. Installed a 6sj7 instead. I set up the output for an EL34 instead of a 6V6, which involved just putting a 300. Find great deals on eBay for 6sj7 and 5693 tube. 6SJ7's do have a reputation for being microphonic, especially in a combo amp, and I noticed recently that I was Feb 26, 2011 What's your opinion about pentode preamp tubes? I recently had to go on a exploring trip in to the darkest pentode land and see what i found. . 6sj7 preamp Hi, relatively new to tubes DIY, I built my first line preamplifier (capacitor output from plate) with 6J7. We have an assortment of US 6SJ7 by Sylvania and others. It works well, then tried to connect We have a small stock of RCA JAN CRC 6SJ7 NOS from 1950's in original boxes. $8. Power amplifier 2A3/ 300B/ 6C33C. I've had the little 8" Jensen reconed, the big 12" is fine. A 6SJ7 pentode preamp driving a 6V6 power amp would make a great homebrew general purpose audio amplifier. Amps. The term "Hyperlinear" referes to the feedback loop from the cathode follower back to the input pentode’s screen grid (g2). com sales@analogmetric. a 6SJ7 preamp tube, and a 6SN7 phase inverter. Possible choices are the EF86 as in the trainwreck/Vox/Route66, the 6SJ7 as in the really nice I want to build a mono block EL84 amp and I have some 6SJ7's laying around and was wondering if I could use them as the preamp tube instead of a 12AX7? or would the Cryo Preamp Tubes-> Super Cryo Preamp Tubes Cryo Power Tubes-> NOS 6SJ7 5693 NOS 6SN7 5692 NOS 6CG7/6FQ7 NOS 6U8 6HG8 ECF86 NOS Power Tubes-> Amplifier Cryoset 7C7 vs. All tube, Carlson stromberg. Brook Model 7 Preamplifier Glory All of these preamps, so far, used triode connected 6J7 and 6SJ7 tubesThe model 7 preamp is a very desireable, The line preamp stage use 6SJ7 tube , The driver stage use 6SN7 to driver 300B power tube . Free shipping on orders $105 and over. 6SJ7. 05 more parts to do a two-triode preamp than a single-pentode preamp. 6SJ7 metal jacket preamp tubes (one labelled as microphonic), I"ll look in the spares box for another. An A-323C obviously needs an outboard preamp or at least a volume control but its performance would be essentially the same as Go to Merlin's website at How to design valve guitar amplifiers and read the first chapter of his preamp book, The 6sj7 is noisier, 6SJ7 / 6SN7 / 6SL7. Sonic Pipe Amplifiers have designed the paramount of Hi everyone the other day i got bored of my 18watter and, removed the preamp. analogmetric. 6SN7 Main (programmed as a Sonic Frontiers LINE-1/2/3 Preamp replacement), Bold designators are close or identical, Italic designators are different ratings, different pinouts or different filament voltages. Various brands. Why?? I looking for crunch. I then used the Jul 1, 2014 I want to build a mono block EL84 amp and I have some 6SJ7's laying around and was wondering if I could use them as the preamp tube instead of a 12AX7?It can work at radio frequencies (up to a point) as an RF amp or oscillator but it doesn't see much use in radios with AVC because that requires the remote cut-off characteristic of it's counterpart - the 6SK7. Some early Fenders and Gibsons like the GA20 used octal preamp tubes like the 6SJ7. Something between a Mission Chicago and a Wezo ME-18. I set up the output for an EL34 instead of a 6V6 Purchase 6SJ7 vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. I set up the output for an EL34 instead of a 6V6 JE Labs phono and line preamp Get link; Facebook; Twitter; The WE91 with 6SJ7 input/driver and Audio Note 3K OPTs sounded very musical to my ears however I found It's a bad idea because you want to have low output impedance connecting to high input impedance. I have tried cathode biased and grid leak biased. 6SJ7 : 2-6SJ7 : 2-6SJ7 or *3-6SJ7 & 6SL7 : 3-6SJ7, 2-6SQ7 : Phase splitter : 2-6J5 : 6SC7 : . com/forum/viewtopic. Three instrument jacks were run into the 6SJ7 preamp tube formerly reserved for the mic input. Posted: Feb Sat 16, 2013 5:41 am . RAPHAELITE DS84 EL84 6BQ5 6SJ7 Single Ended Stereo Tube Valve Amplifier,The amplifier has a charming vintage style looking,The circuit is based on 6SJ7 preamp tube We burn-in, test, and match all of our preamp tubes. Sonic Frontiers Repair Parts; Solder | Tools 6SJ7; 6SL7 - 5691; 6SN7 - 5692. I'll be adding more brands and schematics in the (near) future. this is our very best preamp, a 4 tube line stage only preamp, includes tube power supply, the best preamp I've ever built !! I want to build a mono block EL84 amp and I have some 6SJ7's laying around and was wondering if I could use them as the preamp tube instead of a 12AX7? or would the Sovtek 6SJ7 tube for Hammond Organ BCV BV CV Preamp, 6SJ7 tubes for Hammond Organs, 6SJ7 tube for Hammond Organ tone Cabinet, Hammond Organ Tone Cabinet tubes Vacuum Tube Audio - tubes4hifi. a 6SJ7 preamp tube and this amp now used two 6EU7 preamp tubes and a single 6AQ7 output tube The 6SJ7 tube is an 8-pin metal tube. Sound wise not that bad. During the octal era it was common to see 6F5 (single triode), 6J7, and 6SJ7 (single pentodes) Schematic for 6SN7 based preamp. V-2 6SJ7 Input tube. Re-tube your Fender Champ (6SJ7 models) Amp with our tube sets. Sovtek 6SJ7 tube for Hammond Organ BCV BV CV Preamp, 6SJ7 tubes for Hammond Organs, 6SJ7 tube for Hammond Organ tone Cabinet, Hammond Organ Tone Cabinet tubes Vacuum Tube Audio - tubes4hifi