Vacuum Tube - 5881, JJ Electronics

JJ Electronics
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Vacuum Tube - 5881, JJ Electronics

Starting at: $18.95
In stock

The JJ Electronic 5881 is very similar to the 6L6GC but with a plate dissipation of 23W rather than 30W. Another physical difference is the shorter bulb. These tubes have a soft and balanced response that sounds great in both guitar amps and hifi equipment. The JJ 5881 will work in any amp that uses 6L6 tubes.

Apex Tube Matching
Matched versions of this tube use Apex Matching
RoHS Compliant
Item ID:
JJ Electronics, Apex Matched
Part Numbers
Single or MatchedOur Part NumberUPC/EAN
Apex Matched PairT-5881-JJ-MP841358101625
Apex Matched QuadT-5881-JJ-MQ841358101632
Product Measurements
Body Height82.0 mm
Filament Current (If)0.9 A
Filament Voltage (Uf)6.3 V
Grid 1 Voltage (ug1)-14 V typical
Grid 2 voltage (Ug2)≤ 450 V, 250 V typical
Grid Circuit Resistance (Rg), Fixed Bias0.1 MΩ
Grid Circuit Resistance (Rg), Self Bias0.5 MΩ
Item Diameter38 mm
Item Height96.5 mm
Plate Current (Ia)63 mA
Plate Dissipation (Wa)≤ 26 W
Plate Resistance (Ra)2.5 kΩ
Plate Voltage (Ua)≤ 450 V, 250 V typical
Packaging Information
Packaging DimensionsApex Matched Pair version1.6 in. × 3.2 in. × 4.5 in.
Apex Matched Quad version3.2 in. × 3.2 in. × 4.5 in.
Single version1.6 in. × 1.6 in. × 4.5 in.
Weight (Packaging)Apex Matched Pair version0.2906 lbs.
Apex Matched Quad version0.5812 lbs.
Single version0.1453 lbs.

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Specifications, Files, and Documents

PDF: Specification Sheet Specification Sheet922.22 KB

Questions and Answers

Click each question to see its answers.
Asked by Anonymous on August 25th, 2017.
Matt H
August 25th, 2017
We typically sell middle numbers. If you need something specific you can contact us directly for more information.
Asked by Anonymous on August 25th, 2017.
Matt H
August 25th, 2017
JJ tubes are very robust and can take a fairly decent beating. However I would definitely recommend comparing the requirements of your amp to the spec sheet provided on this page to be certain. I've personally found JJ tubes to be a serious workhorse tube.
Asked by Anonymous on July 13th, 2018.
July 13th, 2018
Staff Member
We know from the sheet that the typical characteristics for grid1 is -14V for a single tube and -17.5V for a push-pull circuit. So from that we can gather that typical characteristics for peak audio voltage on a single tube is 14V and 17.5V for a push-pull circuit.

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