It is the same as the sovtek 5881 wxt, but with a wafer base. Extremely consistent from piece to piece, the sovtek 5881 is the most reliable current production 6l6 available. My sovtek 5881 wxt 6l6 wgc tube guide has been immensely popular, and i thank everyone for the many emails i receive. The sovtek 12ax7lps is a long plated spiral filament dual triode. I did find that it was softer than a 6l6, theres no big bass thump and no sparkling highs, just a. Chances are if an amp uses 6l6style output tubes, it has sovtek 5881 s in its sockets. The 5881wxt or 5881 6l6 wgc same tube different base is used as the oem power tube for almost all amps calling for 6l6gcs by fender, mesa, marshall. Thicker plates, improved heat dissipation, higher transconductance, and increased linearity are just some of the inherent aspects of the new sovtek super 6550s. The 5881 was manufactured in the usa by ge, rca, sylvania and westinghouse, our exhibit will have rebranded to pinnacle.
Super low microphonics, and durable great for players on a budget. 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. Buy sovtek 5881wxt 6l6wgc vacuum tube, matched quad. Close manufacturing specification tolerances and improved processing provide improved reliability and superior sonic performance. Check your amplifiers owner manual to find out what your amp requires or ask us. This tube is commonly found relabeled by fender and groove tubes to gt6l6b. Vacuum tube 5881 6l6wgc, sovtek antique electronic supply. Ps did i see that someone out there was doing some characteristic curve traces on these. Bimos ii dual 8bit latched driver with read back, 5881 datasheet, 5881 circuit, 5881 data sheet. Sovtek 5881 s are available in platinum matched sets.
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. Us5881 datasheet, cross reference, circuit and application notes in pdf format. Combined with the bandmaster ss rectifier, it makes for the near perfect pedal platform. Vacuum tube 5881wxt, sovtek the sovtek 5881wxt is the same as the. Its sensitivity enables high accuracy in position sensing by the use of small air gap. In the case of the sovtek 5881 s and 6l6s, for many years they were some kind of russian submarine radar tube that was rebranded. Discussion in amps and cabs started by procos, mar 2, 2012. It was designed and developed by tungsol between 19481950. I have a pair of the soktek 5881 in an amp that has yet to get a better pair, and have read that the sovtek 5881 sucks but the sovtek 6l6 is ok, though this may be in reference to the older sovteks. The sovtek 5881 wxt standard base is a very reliable, well made 6l6 alternative with a warm, round tone. Older sovtek 5881 were afaik designed for missile guidance and apparently not actually designed for audio use but we bought them anyhow.
The sovtek 5881wxt tube is a reliable beam tetrode delivering a warm, round tone that sweetens any vintage or modern guitar tube amp design. L scbk20 d security products americas sourcebook 202014. Things went sideways way back when sovtek eh first saved us by releasing the sovtek waferbase 5881. What were the original specs from the 40s and 50s, and how close are todays equvalent tubes. Later versions, including the 6l6g, 6l6ga, 6l6gb, 5881, 5932, 7027, and the final version 6l6gc. The kt66 tube type is a 25 watt tube rated for plate voltage up to 500 volts. I run the sovtek 5881 in my bludotone bludodrive with music man. Output pentode quick reference data anode current ia48ma transcoductance s11,3mav amplification g2g119 output power wo6w heating. The valve performed very well in the microphonic tests and has more top end clarity than the 5881. Vacuum tube 5881, tungsol reissue antique electronic supply. Buy your nn111 from an authorized sovtek distributor. However, being rated for 500 plate volts with 2 tubes, they will probably handle any guitar amp you are. The sovtek 5881 wxt6l6 wgc tube guide ii cracking the sovtek tube code.
Because of our tradition of supplying the highest quality tubes, we are proud that our ouput is the very best in the world for upgrade and replacement. Sovtek 6l6wgc 5881 vacuum tube quartet platinum matched. High gain, and low noise, is nicely balanced all around not bright. If you continue browsing, you agree to the use of cookies. We burnin these valves for a minimum of 3040 hours before matching. The wide glass tube envelope is 33 mm in diameter and, excluding the io base pins, is 72 mm tall. I put a pair of sovtek 5881 6l6wgcs into my 64 bandmaster to compare to a pair of winged cs 6l6s. Eirc electronic tubes factory data sheet el84 page 1 of 8 telephone. The sovtek 5881 thin base is a very reliable, well made 6l6 alternative with a warm, round tone. Players with combo amps or those who like to play on max volume may want to reconsider, as the 12ax7lps can be prone to microphonics due to the long plate. If this describes the rig you use, then this is one of two modern tubes you should consider. The tube has a nice balanced sound that is not as bottom heavy as say the tad and not as bright as the sed. The sovtek 12ax7wa is oem for a lot of major amp makers. Sovtek valves, manufactured at the reflector factory owned by newsensorelectro harmonix 5881, 5ar4, kt66, 6550, lbl8, el84, oc3, 5y3, 6as7.
Sovtek 6l6wxt plus the valve differs from the 5881 by having larger plate dimensions and improved grids to allow higher power handling. Nec npn silicon epitaxial transistor mp3,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Noval u f 6,3 v i f 0,760 ma typical characteristic. The sovtek 6550we was designed to be the finest 6550 ever produced. Svetlana sv6l6gc high performance audio beam power tetrode t. This occurred under directive of the us air force, with the application being the air forces then top secret new bomber xb52. Built to rigid military standards, the sovtek 5881wxt will tolerate higher voltages than most other 6l6 tubes. The tone is very balanced with no notable weighting in the response.
It embodies a complete mechanical redesign which results in greater resistance to shock and vibration. Silicon npn power transistors, 2n5881 datasheet, 2n5881 circuit, 2n5881 data sheet. Savantic, alldatasheet, datasheet, datasheet search site for electronic. Electroharmonix owns 100% of the largest remaining vacuum factory in the world. That data sheet is also total baloney in terms of maximum voltages, as well as dissipation ratings. I liked sovtek 5881s best discussion in ampscabs tech corner. Block diagram, pinout and 6h30pi circuit application inside. They were recommended for the type of hard touring i was doing. Vacuum tube 5881wxt, sovtek the sovtek 5881wxt is the same as the 5881 but with a full size base for easy installation in vintage amp designs. Dropin replacement for ampeg, mcintosh and other amps using 7027. Vacuum tube 6550we, sovtek antique electronic supply.
The 5881 is the electrical equivalent to types 6l6 and 6l6g except that the plate and screen dissipation ratings have been increased approximately 20 percent. Tube model 5881, power tube, long life span, made in russia thomann uses cookies to give you the best shopping experience. The sovtek brand of military grade vacuum tubes are made in russia and considered to be among the finest currently available. Vacuum tube 5881, tungsol reissue antique electronic. What is your favorite 6l65881 power tubes for a soldano. Im no expert, but ill answer from a different perspective. Sovtek 5881wxt 6l6wgc valve british audio products online.
What is your favorite 6l65881 power tubes for a soldano slo. Sure, there is a data sheet, but it does not explain the highvoltage and highwattage use these tubes actually get in the field. Teslajj 6l6gc these handle voltages often used in amps using 7027a. Hello i just bought 4 sovtek 5881 6l6wgc tubes and id like to install them to my jcm 900. Solid construction and build quality and all test great on our equipment.
Order sovtek 5881wxt vacuum tubes online, in stock and ready to ship. I put sovtek 5881 wxts in one of my mesa buster heads. The tungsol 5881 is a 23 watt tube and is rated for a maximum plate voltage of 400vdc. The sovtek 5881 delivers a warm, round tone that sweetens any vintage or. Most of the datasheets are in pdf format and some are links to other html pages. However, i searched for a datasheet or specifications about these specific sovtek tubes to adjust the bias but didnt find anything.
It is used by soldano, marshall and others as their oem valve. Tube datasheets here youll find a modest collection of datasheets for some popular tubes. Sovtek claims it has 20 percent higher output than their 5881wxt. There is no appreciable volume difference between it and my 5881 equipped head.
Allegro, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. I bought these because the factory manual for my line 6 bogner 212 amp called for. The new jj 5881 power output vacuum tube is now in stock. Detailed general description based on mixed signal cmos technology, melexis us5881 is a halleffect device with low magnetic sensitivity. Us5881 unipolar hall switch low sensitivity 3901005881 page 5 of 11 data sheet rev 007 feb06 9 detailed general description based on mixed signal cmos technology, melexis us5881 is a halleffect device with low magnetic sensitivity. 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.
Block diagram, pinout and 6550 circuit application inside. If your amp isnt running a really high plate voltage and if its tube rectified you might get by with it. Our platinum matching process consists of a 24 hour tube burnin period followed by a bias plate current measurement in milliamps. Chances are if an amp uses 6l6style output tubes, it has sovtek 5881s in its. Pss data suggests these can be operated at very high accelerations.
Us5881 unipolar hall switch low sensitivity page 5revision of 11 011 june 2019 3901005881 9. Receivers 5881enl, 5881enm, 5881enh receivers connects to four wire keypad data lines supports all 5800 wireless series nonbidirectional wireless devices. No honk and no really pronounced eq shelving as you manipulate the tone controls of the amp. Ok, the 5881 s are lower volume but have a really sweet balanced tone.
The reason we do this is to get rid of any faulty or weak valves and as a pregrading. Sometimes rebranded 6l6gc out of ignorance or dishonesty. The 6l6 pinout, metal versions had the shell connected to pin 1. 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 sovtek 5881wxt is the same as the 5881 but with a full size base for easy installation in vintage amp designs. Bear in mind the sovtek 5881 isnt a real 5881 as of old which is a 23 watt tube. This jj 5881 6l6 tube is a high quality option for both guitar and home audio tube amplifiers. The sovtek 5881 delivers a warm, round tone that sweetens any vintage or modern guitar amp design. It is a reliable, low cost replacement, and its probably what you have in there now. The new 5881enhc rf receiver is designed for use with control panels that are approved for use in commercial fire andor burglary installations. U a 250 v u g2 250 v u g1 7,3 v i a 48 ma i g2 5,5 ma s 11,3 mav. Built to rigid military standards, the 5881 will tolerate higher voltages than any other 6l6. They have about 20% lower output than a true 6l6gc. At the bottom of this page youll find some links to other tube datasheet sites in case you cant find what. Very smooth and balanced frequency response that sounds great driving celestion speakers which tend to be a bit honky in the mids and extreme. The sovtek 5ar4 rectifier tube also known as a gz34 is our most popular. Tubes free delivery possible on eligible purchases. However it is also critical to rebias the amp heeding the 5881 s 23w rating.
Old 5881 s were built like tanks and were often used way above their ratings. Svetlana sv6l6gc high performance audio beam power. This svetlana 6l6gc tube is manufactured at the new sensor corp. The 6pi3c is also commonly marketed as the sovtek 5881, which with a safe dissipation above 30w, isnt a true 5881. Svetlana sv6l6gc high performance audio beam power tetrode he svetlana sv6l6gc is a glass envelope beampower tetrode intended for highpower audio amplifier service.
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