The valve performed very well in the microphonic tests and has more top end clarity than the 5881. The sovtek 5881wxt is the same as the 5881 but with a full size base for easy installation in vintage amp designs. Sovtek 5881wxt 6l6wgc valve british audio products online. Check out our 6l6 tube catalog page for 6l6 tubes we stock. Also some files are djvu so you need djvu viewer to open them. The sovtek 5881wxt 6l6gc vacuum tube is a reliable beam tetrode that delivers a warm, round tone that sweetens any vintage or modern amplifier design. The sovtek 6550we represents russian manufacturer new sensors attempt to design the finest 6550 ever produced. Vacuumelectron tube sovtek 6l6gc follow us on facebook. Its also different from the sovtek 6l6gb which you should not buy unless it is recommended for your amp. Available in singles, matched pairs and matched quads. Service manuals, schematics, eproms for electrical technicians. I am thinking for one thing, that neither is a real 5881. Can also be used for hifi voices are more transparent, headroom is larger e. I do not know when they will be released to the public, but if the 100 samples i went though follow through to production, they will be a cool contender in the 12ax7 market, and probably at the same price as the wa or.
Do you think that they are so bad, as you can read on internet i know mesa was putting them onto these amps, and named them str425. Also i switched over to 6l6s, the tonal differences between the jj kt88s and the sovtek 6l6wxts i have are pretty minor, but the pt was getting pretty hot with the kt88s. Sounded good and last a decent amount of time considering how i was punishing them. I tried a sovtek 6l6wxt in its place and it too redplated, but the one good 6n3c seems to handle the high filament and plate voltage without a problem so far. The sovtek 6sl7gt is a good 6sl7 tube for those folks on a tight budget. It also features mica spacers with metal springs to eliminate tube rattle and microphonics. Discussion in glowing bottle tube amp forum started by jtcnj, may 28, 2016. Tried 4 types of 6l6gc jj, ruby, eh, ge, stock sovtek 5881s, and chinese kt66s. Sovtek tubes great audio can exist in a vacuum whether you like your sound dirty or clean, sovtek tubes deliver. Oct 30, 20 i was recently given a pair of sovtek 6l6wxt s for free by a gentleman who i work with, he said they were used and wasnt sure if they were good or not.
These tubes are very rugged, reliable, and sound great. To open downloaded files you need acrobat reader or similar pdf reader program. A special thanks to all those who work in law enforcement, healthcare and in essential businesses. El84sovtek sovtek the sovtek el84 has been the industry standard go to el84 for over 20 years.
This tube features larger plate dimensions and improved grid structure for increased power handling capabilities. Sovtek 6l6wxt plus the valve differs from the 5881 by having larger plate dimensions and improved grids to allow higher power handling. Thicker plates, improved heat dissipation, higher transconductance, and increased linearity are just some of the inherent aspects of the new sovtek. Bass response was the same as the 5881 soft and sweet. They have a little bump in the midrange, tight bass, good top end extension. Its different than the usual spring reverb sound, kind of more like a plate reverb, to my ears it has some of that pillowy quality. Our thoughts go out to all who are affected by covid19.
This new sovtek is modeled after the vintage rca 6l6gc blackplate. The sovtek 6550we was designed to be the finest 6550 ever produced. I would advise against using them in compact highpowered combo amps where they will be. Typically, the pentode was used for the input stage, and the triode as a phase inverter. All were biased to 70%of a 25w maxeven for 6l6s 41ma in this amp after installing.
We burnin, test, and match all of our sovtek tubes. Vacuum tube 6550we, sovtek antique electronic supply. Open for business music is a vital source of comfort, and it can help us get through these difficult and frustrating times. Fullsize base allows for easy installation in vintage amplifiers. I was recently given a pair of sovtek 6l6wxts for free by a gentleman who i work with, he said they were used and wasnt sure if they were good or not. A larger than average curved glass envelope and metal base ring make this a different package than the familiar 6l6. This 6l6wxt is modelled directly off of the rca black plate 6l6gc with larger plates and a different grid structure which increases its ability to handle power 20% greater increase that their 5881wxt tube. These 58816l6wgcs that i have are the ones with the very thin wafer base. If you have an audio research amp, this is the tube you want. So far this tube in my first factory tests of these, they are pretty darn amazing.
Block diagram, pinout and 6550 circuit application inside. I purchased the sovtek 6l6 valves to replace electro harmonix 6l6 valves in my kustom defender amplifier. I swapped the two valves and it redplated in the adjacent socket. The sovtek 5881 wxt6l6 wgc tube guide ii cracking the sovtek tube code. Biasing and current draw are not issues, just the same as any 6l6gc. Because of this, there are many versions by different manufacturers. Tubesremake of the american philips silvania 6l6gc. The sovtek brand of military grade vacuum tubes are made in russia and considered to be among the finest currently available. The 6l6s were close enough to each other to make a generalization. I noticed though that one of them started to red plate. Ironically if the amp is designed for true 5881swhich i doubt the 6l6wxt runs cooler you would have no idea if the 6l6wxt is running hotter than the svetlana 6l6gc unless you calculated plate dissipation, you cannot assume here. The 6l6wxt is supposedly a standard base version of the 6p3se, which also originally was.
In addition, some files are archived, so you need winzip or winrar to open that files. Does anyone know the difference between these and the sovtek 6l6wxt. My sovtek 5881 wxt 6l6 wgc tube guide has been immensely popular, and i thank everyone for the many emails i receive. Sovtek militarygrade vacuum tubes are manufactured in saratov, russia, and are well known for their range, from warm and broad to tight and overdriven. Ecc83 12ax7wcsovtek sovtek the sovtek 12ax7wc is the same valve as the wawb versions but it is factory selected for fender for low noise, low. Svetlana sounded better because they simply sound better than the sovtek 6l6. May 09, 2009 tried 4 types of 6l6gc jj, ruby, eh, ge, stock sovtek 5881s, and chinese kt66s. It is still the best thing sovtek has produced in a 12ax7, with very good gain and low noise. The 7199 is a vacuum tube, combining a pentode and triode. Sovtek 5881 slim base same as the wxt standard base version but with a slim base for marshalls etc the sovtek 5881 delivers a warm, round tone that sweetens any vintage or modern guitar amp design. Also i switched over to 6l6s, the tonal differences between the jj kt88s and the sovtek 6l6wxt s i have are pretty minor, but the pt was getting pretty hot with the kt88s. Sovtek 5881wxt 6l6gc vacuum tube features cryoacoustic treatment by music direct for better sound and longer life. Everyone please stay safe and we are filling orders daily.
Chances are if an amp uses 6l6style output tubes, it has sovtek 5881s in its sockets. English usd a portion of each sale goes to making the world more musical. Vacuumelectron tube logos are entitled to their respective owners. Sovtek 6sl7gt preamp tube chicago music exchange reverb. The 6l6s were just generally too fendery clean for me, and sounded hard overdriven. Includes matching in any quantity you need at no extra charge. Does that mean that the wxts are higher qualitybuild. Sovtek vacuum tubes, duet platinum matched, quartet. I have been reading some old posts discussing the quality of the sovtek 6v6s not the new electro harmonix 6v6s. It has a 20 percent higher output than the sovtek 5881wxt.
It features thicker plates, improved heat dissipation, higher transconductance, and increased linearity. This 6l6wxt is modelled directly off of the rca black plate 6l6gc with larger plates and a different grid structure which increases its ability to. Seems like the sovtek version one with the back glass is one of their sovteks. The sovtek 6l6wxt matched pair are solidly constructed and the w denotes the ruggedised construction that is used in this top quality valve this improves their lifespan and reliability in service. I would advise against using them in compact highpowered combo amps where they will be subjected to lots of vibration. Sovtek mig50 service manual download, schematics, eeprom. The sovtek 6550wd was designed to be the finest 6550 ever produced. Musical instruments free delivery possible on eligible purchases.