Ampeg power tubes. Complete tube set for vintage Ampeg V4B bass amp.

Ampeg power tubes Therefore, they are suitable for Mcintosh Mc-225 amplifiers where the power of more than 28 watts is produced. Just make sure that they are the same type: 6L6 for the power tubes, 12AX7 and 12AU7 for the driver tubes, and 12AX7 for the preamp tubes. 6k11 NOS Preamp Tube, 1pc. Has anyone been able to find any or have recommendations of what brand I should switch to? Ampeg SVT Classic Power Gold - TAD Tube Set Tube Amp Doctor replacement tubes kit for the Ampeg SVT Classic, Heritage and AVT AV. Revived from the sixties and ready for the nineties, these easy-to-use two-channel amplifiers represent Ampeg’s quest to provide you the finest instrument amplification systems available. The features and controls of Complete tube set for your Ampeg Gemini I (G12) and Gemini II (G15) Includes: 7591A JJ or 7868 EH Power Tubes, Matched Pair 12AX7 (ECC83S) JJ Preamp Tube, 3 pcs. You can read more about 6550 tubes in our 6550 catalog page. Introduction The harmonically rich sound and legendary performance of the classic AMPEG SVT amplifier are redefined in the SVT-CL. In some cases, more than 30watt power is produced. Based on the original from 1971, the Ampeg V-4B 100W all-tube head embodies the legendary tone of the classic V-4B in a tough-as-nails package, ready to take the stage with the flexible output control and pure vintage Ampeg grind you crave at volume levels ideal for modern venues and applications. Mar 8, 2017 · I want to rejuvenate an old Ampeg SVT-2 PRO head and am still baffled by all the choices concerning the tubes to use. The tone shaping capabilities make it so versatile. Updated: Starting price is for those of you who want the preamp tubes set only. Tube are selected for best tone and performance. MADE BY RCA USA FOR LAFAYETTE. An Introduction to your new Ampeg SVT-2 PRO Bass Amplifier The harmonically rich sound and legendary performance of the AMPEG SVT are redefined in the SVT-2 PRO. Nov 19, 2016 · I have a ampeg SVT 3 With i believe 5 tubes. It delivers 100 watts of pure tube tone, at half the weight of an SVT. The JJ 6550 is a high power tube with more headroom than your standard EL34 or 6L6 variant. The tubes have a large bulb and produce more power output. Includes: 7027A JJ Power Tubes, Matched Ampeg owners will be delighted to hear the sound of 7591 A vacuum tubes. Oct 17, 2008 · I have an Ampeg VT 22 with 4x7027a's that I bought new in 1976. The default power tubes for all of our Ampeg SVT 100 kits are the JJ KT88’s. The tubes used in preamplifiers (12AX7, 12AU7, 12AT7, etc. We offer the most comprehensive source of parts for the restoration and repair of both vintage and modern Ampeg amplifiers. S. This dynamically powerful bass amp delivers a thunderous 300 watts of unsurpassed quality, reliability and tonal flexibility, offering the classic vibrance of tubes as well as contemporary features. The JJ 7027's according to their own specs are less than 30 watt tubes so they are not true 7027's and The 6550 tube became quite popular in American audio amps in 1950s and 1960s due to its linearity and high power output. Point is its using a lot power to reproduce sound there than g string 12 ft. I see a fair number of players who change tubes like underwear and end up creating new, expensive Ampeg SVT Pro 2 Gold - TAD Tube Set Tube Amp Doctor replacement tubes kit for the Ampeg SVT Pro 2 Blue Line Reissue. 4x JJ ECC83S Gold, 1x JJ ECC82 Gold, 1x JJ ECC83S Gold Balanced, 2x JJ ECC82 Gold Balanced, 1x TAD 6550A-STR Matched Sextet. Re-tube your Ampeg SVT-3PRO Amp with our specially selected vacuum tube sets. Starting Set Includes: 12DW7 JJ Preamp Tube, 1pc. All of the features and controls Tube set for vintage Ampeg V4B amplifiers. It also provides the classic vibrance of tubes as well as contemporary features. Matched pairs, quads, and octets are available Replaced the preamp and power tubes plus several obviously burnt out resistors. Knowing that big bass volume required big power, Ampeg designed the most sophisticated amp of its day: the 300-watt SVT. ACTUAL TUBES YOU WILL RECEIVE! 13. Figured I might as well retube the thing, so what tubes have you got and liked? From what I've read, I'm leaning towards a matched quad of Svetlana or Feb 22, 2025 · 35W plate dissipation. These are the Real Deal 7027a Tubes, Super Rare, and 1980's Vintage back from when Groove Hoffman Amplifiers Tube Amp Forum, Ampeg B25B what power tubes? Dec 16, 2010 · I need a new set of 6550 power tubes for my Ampeg SVT-CL. This dynamically powerful bass amp delivers a thunderous 100 watts of unsurpassed quality, reliability and tonal flexibility. ) are smaller than the power tubes. For over 60 years Ampeg has been providing amplification solutions for professional bass players and aspiring bassists looking for the best bass practice amps. Guitar Pedals Item has been added to your cart. Since parts of the amp were running at full power for the first time in decades, the theory is that a few parts that were "in the red" got pushed over the edge to failure. The JJ KT88’s are a higher power tube with lots of headroom, thunderous lows and thick/aggressive mids. Mar 5, 2008 · I want to get more grit from my Ampeg SVT-CL. For the 4 power tubes, always use a matched set of 4. 7027A power tubes available for vintage vacuum tube amplifiers such as Ampeg. Power tubes should be checked at least once a year – more frequently if you use the amp every day. On the tube chat they were usually written in over the 7591A All tubes are selected Apr 26, 2009 · It depends on the version of SVT, but the power tubes and the PI/driver tubes all are interactive in the bias process and a failure of one tube can cause a cascading effect. The Ampeg ® SVT ® is more than just a bass amp—it sparked a revolution. This allows a variety of tonal response characteristics from the power amp and replaces the limiter found on typical solid state power amps. 1 - Dave Hunter Let's examine the Ampeg Jet 12 push-pull power amp and the interesting pair of triode circuits that drive them. At Sweetwater, we give these tubes our highest recommendation — they sound great! Tube set for vintage Ampeg "v" series guitar amps: V4/VT22/VT40/V2. Plus, it has a grind and sonic texture all its own—if you love the rich overdriven sound of power tubes pushed hard Re-tube your Ampeg SVT-CL Amp with our specially selected vacuum tube sets. All of the features and controls of your SVT-CL are covered in Power tubes work together in a push/pull configuration and should be replaced at the same time with matched or balanced tubes. We also offer a full line of services including: amplifier repair, speaker repair and re-coning, cabinet refurbishment, and custom cabinets. In 1969, Ampeg designed the most powerful instrument amplifier ever made. Enhance your Ampeg Heritage SVT-CL with our Premium Full Tube Set, meticulously selected to maintain the amplifier's legendary tone. The Power Amp The Jet 12 does not include screen resistors. All of the features and controls of your SVT-CL are covered in 1 day ago · Still has the original Magnavox power tubes. I went through all the topics on the Aug 6, 2004 · Trying to troubleshoot red bias light problem and I cannot read a schematic well--can someone please tell me which power tubes are adjusted with each bias pot on the back?? The rear bank is shifted to the left when viewed from the back of the amp--are those 3 adjusted by the left pot??--and the Vintage Ampeg SVT Bass Amplifier 1976 to 1979 era300 WattsSvetlana Winged-C-6550 Power tubes made in St. I currently have JJ’s but it looks like they are out of stock everywhere. Tubes for the Ampeg SVT CL The Ampeg SVT CL amplifier requires the following components: × 2 12AU7 Type: Need replacement power tubes for your Ampeg SVT bass amp? These are the ones you want. A. The PF-20T and PF-50T amplifiers deliver legendary Ampeg all-tube tone and warmth, in the same portable, powerful, and afordable design. In true Ampeg tradi- tion, the SVT-II and SVT-300 offer you more power, performance and flexibility than any other amplifier in their class. Tube amplifiers are based primarily on two types of tubes – preamplifier tubes and power tubes. Complete tube set for vintage Ampeg V4B bass amp. Used / tested matched pair of 7027A power tubes for your Ampeg , B18N, B25/B25B, V2 and more. You can add power tubes for even more savings using the drop down menus below. However you can use the dropdown to select the JJ 6550’s. Our Ampeg tube replacement kits are designed for your amplifier and come in different option levels ranging from Value to Premium to Ultimate. Finally, balance returned to the stage and with it a generation of iconic bass-forward music was Ampeg SVT Classic Gold - TAD Tube Set Tube Amp Doctor replacement tubes kit for the Ampeg SVT Classic, Heritage and AVT AV. Had to replace the phase splitter at this stage. When the power tubes begin to wear out you will start to notice a lack of punch, noise and lack of volume. Whether you are replacing the tubes in your guitar/bass amp; updating your home audio system: re-tubing your microphone or changing out the organ tubes, we have what you need right here. SUPER RARE 7027A POWER TUBES. Usually these amps have white rocker switches. RCA U. This dynamically powerful bass amplifier delivers a thundering 300 watts of unsurpassed quality, reliability and tonal flexibility, offering the classic vibrancy of tubes as well as contemporary features. which exhibited same type of problem so I replaced tube Introduction The Ampeg Portaflex® series bass amplifiers brought legendary Ampeg tone in a powerful, lightweight design that bass players around the world, from beginners to professionals, have made the most popular bass amplifiers in history. JJ-Electronic and Tung-Sol currently product this 7027 vacuum tube. This dynamically powerful bass amp delivers a thunderous 300 watts of unsurpassed quality, reliability, and tonal flexibility, ofering the classic vibrance of tubes as well as contemporary features. Add power tubes if needed using the drop down menu below. Loud, is an understatement. Answer: The lives of the tubes in the SVT-VR depend on how often and how hard you use the amp. Apr 25, 2022 · Powr tubes / valves for your vintage and modern Ampeg amps. I run it through a 810e cab and even with the gain at max, I don't get as much grit as I want at a low enough volume. Sometimes, what appears to be a bias issue ends up being a screen resistor, sense resistor or tube socket contact failure. B15N Portaflex, SVT, V4, 7027A, 7591A, 7868 , and more. 2x JJ ECC83S Gold, 1x JJ ECC83S Gold Balanced, 2x JJ ECC82 Gold Balanced, 1x TAD KT88 Matched Sextet. 12AX7 JJ Preamp Tube, 2pc 12AU7 JJ Driver Tube, 1pc. I would draw a picture, assign a number to each socket on the drawing and mark each tube with the associated number. I still have yet to get mine past 3 on guitar. A decade or so later, bass guitar tube amp icon Ampeg was using 6550 power tubes in their legendary SVT bass amps. I've tried a couple of different preamp tubes, but still want more grit out of it. Starting price is for preamp tube set only. 6CG7 NOS Reverb Driver Tube, 1pc. KT88 punch and volume set. An Introduction to your new Ampeg SVT-CL Bass Amplifier The harmonically rich sound and legendary performance of the classic AMPEG SVT are redefined in the SVT-CL. 1968-Mid 70's. Choose power tube pair or quad. I find it equally great for bass and guitar, both in the studio and live. V4/VT22 use a quad, V2/VT40 use a pair. ARE THE " TOP RCA 6L6GB/GC TUBES. Even Marshall got into the act, using 6550 output tubes in some of their JCM800 and JMP tube amps. In later years, 6550 tubes were used in popular guitar amplifiers, notably in US versions of Marshalls and various versions of Ampeg. To prevent damage during overdrive, modern designs usually add at least a couple hundred ohms in series with the screens. This last week have noticed a ugly growl on E string from 3rd fret to 7th. Oct 13, 2002 · I am in the unfortunate position of receiving a new (early 70's) Ampeg tube amp from EBay and having to replace a tube which broke in transit. Tube amplifiers are based primarily on two types of tubes—preamplifier tubes and power tubes. This set includes: Power Tubes: EH6550 (Electro-Harmonix sextet) for robust power and sustain. Mid 70's-1980. Reverb-O-Rocket — OT-151A — use with two 7591 tubes — single 8Ω tap Based on the original from 1971, the Ampeg V-4B 100W all-tube head embodies the legendary tone of the classic V-4B in a tough-as-nails package, ready to take the stage with the flexible output control and pure vintage Ampeg grind you crave at volume levels ideal for modern venues and applications. These new amps employed a 14-tube design to generate 300 watts of power in an era when most tube amps generated less than 100. Amp worked ok for a few weeks then failed again. Groove Tubes Sylvania 7027 7027a Matched & Tested Quad for Ampeg V2 V4 VT22 VT40 Big Bottle 1980'sFull USA Made FAT BOTTLE Power Tube Re-Tube set for your Vintage Ampeg V series Guitar or Bass Amplifier. I'm thinking that I want to remove some of the A great version of the classic tube used in many Ampeg amps - this 7027A Power vacuum tube is the perfect choice for Hi-Fi & instrument amplifiers. I had a single preamp tube on last amp . Each selection below will lead you to the brands and models you love for all of your equipment. All of the features and controls of your SVT-CL are covered in It can be a full service manual or individual Ampeg model service ino. If you replace the tubes with 6L6 type tubes be sure to make sure the bias is correct for those tubes. The Ampeg V-4B 100W All-Tube Bass Head is a remarkable reissue of the legendary 1971 original, delivering the pure tube tone and unmistakable grind that earned the classic a place in bass history. An Introduction to your new Ampeg V4BH Bass Amplifier The harmonically rich sound and legendary performance of the classic AMPEG SVT are redefined in the V4BH. Petersburg RussiaCompletely gone through and in great working order Tube set for vintage Ampeg "v" series guitar amps: V4/VT22/VT40/V2. The 7027A's are 35 watt mx dissipation tubes, 6L6GC's are only 30 watt tubes and are generally less robust than the 7027's. The SVT bass amplifier not only harnessed 300 watts of pure tube power, it also introduced a new tube (valve) technology dubbed Super Valve Technology, or SVT for short. TUBE GAIN: The tube gain control varies the high voltage supply to the preamp tubes. 7199 NO USA Phase Inverter Tube, 1pc. Ampeg Amps Using our knowledge and experience, we've selected vacuum tubes to create Value, Premium, and Ultimate tube kits/packages that will work great in your amplifier. While the SVT ® is the undisputed king of all-tube bass heads, the legendary V-4B also has its place in the pantheon. ampeg svr-ll / svr-300 FEATURES In the world of high-performance bass amps, SVT amplifiers stand alone. Premium gold set. Note: 7868 were on rare occasion subbed in for 7591A in the production line. This dynamically powerful bass amp delivers a thunderous 300 watts of unsurpassed quality, reliability, and tonal flexibility, offering the classic vibrance of tubes as well as contemporary features. At “10” the voltage is at maximum, providing a dynamic, highly responsive tone. The service info we are looking for is schematics with parts lists and specifications of transformers, wiring or PC board diagrams. Sometimes a 300-watt, 80-pound head is overkill—that’s where the V-4B steps in. Premium gold set. The Rolling Stones took these prototype Ampeg amps on tour along with Rich Mandella, playing all guitars and basses through them for the entire tour. May 31, 2011 · The power tubes are grouped in two sets, the triangular three on the left and the triangular three on the right. The Reverbrocket preceded Fender's Vibroverb (often thought of as the first) by nearly two years. Your dealer can recommend the best replacement tubes for your amplifier. Ampeg is a Bass amp instrument manufacturing company that specializes in bass guitar amplification and effects. AMPEG B22X Jupiter (Not included in sale). These reliable Sovtek 6550s produce a subtle midrange bump, along with tight bass and excellent top-end extension. New! Buy preamp tubes only or add your choice of power tubes. 2x JJ ECC83S Gold, 1x JJ ECC83S Gold Balanced, 2x JJ ECC82 Gold Balanced, 1x TAD 6550A-STR Matched Sextet. Answer: You may change the tubes to a different brand. Tubeset for Ampeg V4BH, and V4B   for a powerful, warm and straight forward tone, we recommend the following combination:   Tubeset…. We have a large selection of 6550 vacuum tubes in stock. I've used mine to record and play anything from rock, to blues, to super heavy doom/stoner metal. Moderate size, significant power and genuine Ampeg Round Sound… everything a serious bassist needs. Tube Drive Control 1/4” and Neutrik Speakon® Outputs Input Peak LED Input Pad and Bright Switch Mute Switch and Tuner Out 47-278-01 • 10-97 Thank you for selecting the Ampeg Reverberocket Model R-12R/R-212R. Dozens of the world-class artists depend on the SVT-3PRO to get the job done, day in and day out. When it debuted in 1969, deafening walls of full-stack guitar amps were eating bass players alive. qocdz kfaoxhq cxec pmdle qzhqu kmt nsio faoad ekbsbk pnb hbjsf izrqvc jwej ikvmfw otddl