For a while sovtek was even marketing 6g6gs as kt66s. At the bottom of this page youll find some links to other tube datasheet sites in case you cant find what youre looking for here. The sovtek 6550we represents russian manufacturer new sensors attempt to design the finest 6550 ever produced. Sovtek 5881wxt is the factory installed 6l6 tube in many amps from fender, mesa and other manufacturers. Unlike the el34 power tube, 6l6 tubes generally sound a little cleaner and tend to have a bit more beef in the low end as well as more bite on the top. Its grainy and piercing highs turn to sounding like a swarm of bees when overdriven.
I put sovtek 5881 wxts in one of my mesa buster heads. Seems like the sovtek version one with the back glass is. Some ehs are said to be selected as the toptesting tubes from regular sovtek runs, others seem to be exclusively eh offerings the goldpins, and some of their copy tubes like the 6ca7. Please see the substitutes at the top of the page for more details. Chances are if an amp uses 6l6style output tubes, it has sovtek 5881s in its sockets. The 6p3s output beam tetrode are miniature devices enclosed in glass bulb and are provided with a octal 8pin base, rigit leads and an indirectly heated oxidecoated cathode. If you are looking to retube factory installed 6l6, 5881wxt is the exact replacement, and is very economical. These tubes are very rugged, reliable, and sound great. Vacuum tube 6550we, sovtek antique electronic supply. Sometimes rebranded 6l6gc out of ignorance or dishonesty. 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.
The russian 5881 tubes are just electrical equivalents, and may or may not give the sound you are looking for. They have a little bump in the midrange, tight bass, good top end extension. This high quality beam tetrode tubes used in output stages of low frequency amplifiers. Chances are if an amp uses 6l6style output tubes, it has sovtek 5881s in its. Your purchases also help protect forests, including trees traditionally used to make instruments. All these links open in a new browser window so that you can return quickly to this page without having to reload. Pss data suggests these can be operated at very high accelerations, so how bout some. These 58816l6wgcs that i have are the ones with the very thin wafer base. They were recommended for the type of hard touring i was doing. Octal u f 6,3 v i f c a0,9 a typical characteristic. Both my tube manuals rca and sylvania list the 6l6 metal, 6l6g coke bottle, and 6l6gc at 360v max in class ab vs. Fender has been using them since the 1940s and since then there have been many others who have designed hugely popular tube amplifiers that rely on the 6l6 tube types for their tone.
I have tried all the 6l6gb and gc types being made. Vacuum tube 5881 6l6wgc, sovtek the 5881 is a very reliable tube that is. The sovtek 5881wxt is the same as the 5881 but with a full size base for. I am thinking for one thing, that neither is a real 5881. Intro when i first heard about these tubes, i assumed the eh meant electroharmonix it does, and i was fairly excited. This tube features larger plate dimensions and improved grid structure for increased power handling capabilities. Nearly 80 years later it remains the most used power output tube. Sovtek 6sl7gt preamp tube chicago music exchange reverb.
It is dedicated to be used in audio frequency range which requires the output power 100w. Realize that the 5881 was a militaryindustrial version of the 6l6gb tube. Most of these datasheets are in english except where noted otherwise. However, i searched for a datasheet or specifications about these specific sovtek tubes to adjust the bias but didnt find anything. Does anyone know the difference between these and the sovtek 6l6wxt. Miless taste tests for the sovtekelectroharmonix 6v6. I was a big fan of the original company and its founder, mike matthews, and was really happy to see. Sovtek 6l6wgc 5881 vacuum tube quartet platinum matched the sovtek brand of military grade vacuum tubes are made in russia and considered to be among the finest currently available. Does that mean that the wxts are higher qualitybuild. Things went sideways way back when sovtekeh first saved us by releasing the sovtek waferbase 5881. Your purchases help youth music programs get the gear they need to make music. They are a russian servo tube that with some creative rebasing and switching a few pinouts worked as an amp tube, somewhat like a 6l6.
Ps did i see that someone out there was doing some characteristic curve traces on these. The sovtek 12ax7wb has a bit more gain that the wa. Warranty information and return policy warranty period. Super low microphonics, and durable great for players on a budget.
This is a better tube than the 6l6gb but it still falls way short of any of the good old standard philips and rca 6l6s. Etc2, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors. It features thicker plates, improved heat dissipation, higher transconductance, and increased linearity. Sovtek 6l6wgc 5881 vacuum tube quartet platinum matched. Direct heating cathode, medium power consumption triode is used for class a amplification. Class a1 singl tube pushpull u a 250 v 270 v u g2 250 v 270 v u g1 14 v 17,5 v. The 6l6 pinout, metal versions had the shell connected to pin 1. Tung sol brown base is the same as 6l6gb not to be confused with the modern sovtek 5881. Includes matching in any quantity you need at no extra charge.
I have been reading some old posts discussing the quality of the sovtek 6v6s not the new electro harmonix 6v6s. Order sovtek 5881wxt vacuum tubes online, in stock and ready to ship. The 6l6, 6l6gb, and 6l6g differed only in their envelopes. Premium tube, 6l6wgb datasheet, 6l6wgb circuit, 6l6wgb data sheet. Built to rigid military standards, the sovtek 5881wxt will tolerate higher voltages than most other 6l6 tubes. It also features mica spacers with metal springs to eliminate tube rattle and microphonics. Pss data suggests these can be operated at very high accelerations, so how bout some groovin tube amps for space shuttle mig crews. The resulting performance advantages include 5% higher output power, increased reliability, greater headroom, and superior tone. Low microphonics, durable great for those on a budget. The sovtek 12ax7wa is oem for a lot of major amp makers. Vacuum tube 2a3, sovtek sovtek 2a3 power triode tube. In fact, theyre frequently used as replacements for the old.
Vacuum tube 5881wxt, sovtek antique electronic supply. The sovtek 6550we was designed to be the finest 6550 ever produced. Sovtek claims it has 20 percent higher output than their 5881wxt. Thicker plates, improved heat dissipation, higher transconductance, and increased linearity are just some of the inherent aspects of the new sovtek super 6550s. The beam tetrode design of the 6l6 allowed rca to circumvent philips pentode patent. Unfortunately modern russianchinese tubes, even czech ones, play fast and loose with the old retma designations and you really need to check the mfrs spec sheets. Most of the datasheets are in pdf format and some are links to other html pages. Class a1 singl tube pushpull u a 250 v 270 v u g2 250 v 270 v u g1 14 v 17,5 v i a 72 ma 4 ma i g2 5 ma 11 ma r a 22,5 k. At the time philips had already developed and patented power pentode designs, which were rapidly replacing power triodes due to their greater efficiency. If you have an audio research amp, this is the tube you want. 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. This modern version is able to tolerate higher voltages than its 5881 6l6. Here youll find a modest collection of datasheets for some popular tubes. It is nearly impossible to find data on the tubes output in class ab operation which is what we are concerned with for guitar amps.
Revisions to the original metal 6l6 such as increased power handling and glass envelopes yielded new designations such as 6l6g, 6l6ga, 6l6gb and finally 6l6gc introduced by ge in the late 1950s. They all had a design center maximum plate dissipation rating of 19 watts. It has a 20 percent higher output than the sovtek 5881wxt. It is used by soldano, marshall and others as their oem valve. Some players prefer the extra clarity and punch of the 6l6. Hello i just bought 4 sovtek 58816l6wgc tubes and id like to install them to my jcm 900. Block diagram, pinout and 6h30pi circuit application inside. The sovtek 5881 delivers a warm, round tone that sweetens any vintage or modern guitar amp design. There is no appreciable volume difference between it and my 5881 equipped head. The sovtek el84 has been a staple for fender, boogie, crate, peavey and other manufacturers of tube amps using the 84. Price is for matched quad 4 tubes get restock notification.
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