Vacuum Tube - 5881WXT, Sovtek

Vacuum Tube - 5881WXT, Sovtek

Sovtek
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The Sovtek 5881WXT is the same as the 5881 but with a full size base for easy installation in vintage amp designs. 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.

Apex Tube Matching
Matched versions of this tube use Apex Matching
SKU:
T-5881WXT-SV
Item ID:
004547
Brand:
Sovtek, Apex Matched
Type:
RoHS Compliant
Part Numbers
Single or MatchedOur Part NumberUPC/EAN
Apex Matched PairT-5881WXT-SV-MP609722124041
Apex Matched QuadT-5881WXT-SV-MQ609722124058
SingleT-5881WXT-SOVT683274021324
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
Height, base to top3.5 in.
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 versionT-5881WXT-SV-MP5.1 in. × 3.5 in. × 1.8 in.
Apex Matched Quad versionT-5881WXT-SV-MQ5.1 in. × 3.5 in. × 3.5 in.
Single versionT-5881WXT-SOVT1.5 in. × 1.5 in. × 4 in.
Weight (Packaging)Apex Matched Pair versionT-5881WXT-SV-MP0.2866 lbs.
Apex Matched Quad versionT-5881WXT-SV-MQ0.5732 lbs.
Single versionT-5881WXT-SOVT0.1433 lbs.
T-5881WXT-SOVT - Single versionCapacitance, 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
Height, base to top3.5 in.
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
T-5881WXT-SV-MP - Apex Matched Pair versionCapacitance, 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
Height, base to top3.5 in.
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
T-5881WXT-SV-MQ - Apex Matched Quad versionCapacitance, 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
Height, base to top3.5 in.
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

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Specifications, Files, and Documents

PDF: Specification Sheet Specification Sheet452.76 KB
Questions? Contact us at [email protected], or give us a call at 480-755-4712

Substitute Products

The following items can be substituted for this product. While not necessarily exactly the same, they will function as replacement items in your project.