Vacuum Tube - 5881 / 6L6WGC, Sovtek

Sovtek
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Vacuum Tube - 5881 / 6L6WGC, Sovtek

Starting at: $15.09
Save 11%
Originally: $16.95
In stock

The 5881 is a very reliable tube that is widely used in many current production tube amplifiers. It has a warm tone with good 'bite.' This modern version is able to tolerate higher voltages than its 5881 / 6L6 cousins. The Sovtek 5881 delivers a warm, round tone that "sweetens" any vintage or modern guitar amp design. Built to rigid military standards, the 5881 will tolerate higher voltages than any other 6L6. In fact, they're frequently used as replacements for the old 7027 model in vintage Ampegs. Extremely consistent from piece to piece. The Sovtek 5881 has a heater voltage of 6.3 volts at 0.88 amperes. Maximum plate voltage is 250 volts while maximum plate current is 73 mA. The 5881 has a Transconductance rating of 6000 micromhos and a maximum output power of 5.8 watts.

Apex Tube Matching
Matched versions of this tube use Apex Matching
RoHS Compliant
SKU:
T-5881-SOVT
Item ID:
004545
Brand:
Sovtek, Apex Matched
Type:
Part Numbers
Single or MatchedOur Part NumberUPC/EAN
Apex Matched PairT-5881-SOVT-MP609722124010
Apex Matched QuadT-5881-SOVT-MQ609722124027
SingleT-5881-SOVT683274021294
Product Measurements
Capacitance, Cathode to Heater11 pF
Capacitance, Transfer1.0 pF
Capacitance, input11 pF
Capacitance, output6.7 pF
Cathode to Heater Insulation Resistance4 MΩ
Filament Current (If)840 - 920 mA
Grid 1 Insulation Resistance200 MΩ
Grid 1 Inverse Current0.5 mA
Grid 2 Current6 mA
Internal Resistance (Ri)18 kΩ - 75 kΩ
Non-linear Harmonic Distortion15 %
Output Power (POut)5.8 W
Plate Current (Ia)60 mA - 86 mA
Readiness Time50 s
Transconductance (S)5.2 mA/V - 6.8 mA/V
Packaging Information
Packaging DimensionsApex Matched Pair version5.1 in. × 3.5 in. × 1.8 in.
Apex Matched Quad version5.1 in. × 3.5 in. × 3.5 in.
Single version1.5 in. × 1.5 in. × 4 in.
Weight (Packaging)Apex Matched Pair version0.294 lbs.
Apex Matched Quad version0.588 lbs.
Single version0.147 lbs.

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Specifications, Files, and Documents

PDF: Specification Sheet Specification Sheet444.19 KB

Questions and Answers

Click each question to see its answers.
Asked by Anonymous on November 19th, 2015.
JustinG
November 19th, 2015
Staff Member
Top Contributor
The Max Dissipation is 23.5 watts.
Asked by Anonymous on December 19th, 2017.
Matt H
December 22nd, 2017
Since we do not know what brand originally came in your amp, it is hard to make a comparison. This is a great tube and one of the most popular 5881's we carry.
Asked by Anonymous on February 28th, 2018.
Matt H
February 28th, 2018
From the Line 6 Spider Valve mkii HD100 manual, your amp takes a pair of 5881's and these should work.

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