CED Sovtek T 5881WXT SV Vacuum Tube 5881WXT Sovtek P4029797CED-T-5881WXT-SOVT https://cdnimages.opentip.com/full/CED/CED-T-5881WXT-SV.jpg Sovtek T 5881WXT SV Vacuum Tube 5881WXT Sovtek Manufacturer Part Number: T-5881WXT-SVThe 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.Measurements and Specs 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 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-MP0.266 lbs. Apex Matched Quad versionT-5881WXT-SV-MQ0.532 lbs. Single versionT-5881WXT-SOVT0.133 lbs. Files Specification SheetAll Models 4029797 0683274021324 0.5300lbs 0.00 0.00 0.00

Sovtek

52.71 2025-04-26 Out of Stock Sovtek T 5881WXT SV Vacuum Tube 5881WXT Sovtek

Sovtek T-5881WXT-SV Vacuum Tube - 5881WXT, Sovtek

Brand Sovtek

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UPC: 0683274021324

SKU: CED-T-5881WXT-SV

Price: $52.71

Single or matched:

Quantity:

Out of Stock

APEX MATCHED PAIR	- + Out of stock$106.90
APEX MATCHED QUAD	- + Out of stock$203.88
SINGLE	- + Out of stock$52.71

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Product Description

Manufacturer Part Number: T-5881WXT-SV

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.

Measurements and Specs

Capacitance, Cathode to Heater

11 pF

Capacitance, Transfer

1.0 pF

Capacitance, input

11 pF

Capacitance, output

6.7 pF

Cathode to Heater Insulation Resistance

4 MΩ

Filament Current (I_f)

840 - 920 mA

Grid 1 Insulation Resistance

200 MΩ

Grid 1 Inverse Current

0.5 mA

Grid 2 Current

6 mA

Height, base to top

3.5 in.

Internal Resistance (R_i)

18 kΩ - 75 kΩ

Non-linear Harmonic Distortion

15 %

Output Power (P_Out)

5.8 W

Plate Current (I_a)

60 mA - 86 mA

Readiness Time

50 s

Transconductance (S)

5.2 mA/V - 6.8 mA/V

Packaging Dimensions

Apex Matched Pair version

T-5881WXT-SV-MP

5.1 in. × 3.5 in. × 1.8 in.

Apex Matched Quad version

T-5881WXT-SV-MQ

5.1 in. × 3.5 in. × 3.5 in.

Single version

T-5881WXT-SOVT

1.5 in. × 1.5 in. × 4 in.

Weight (Packaging)

Apex Matched Pair version

T-5881WXT-SV-MP

0.266 lbs.

Apex Matched Quad version

T-5881WXT-SV-MQ

0.532 lbs.

Single version

T-5881WXT-SOVT

0.133 lbs.

Files

Specification Sheet

All Models

Attention CA Residents: Prop 65 Warning

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.

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