6L6GC / 5881 / 6L6WGB
The 6L6GC is the latest version of the 6L6 tube. This version has a 30 watt plate dissipation, 500V plate rating and 450V 5watt screen rating. If your amplifier calls for this tube, you probably CANNOT use some of the earlier 6L6 tubes as they are not rated this high.
This 5881 / 6L6WGB was first developed by TungSol for the US Military. They are in short stubby glass envelopes. There is no difference between the 6L6WGB or the 5881, they are the same tube. The 5881 has a maximum plate rating of 360 volts at 23 watts and a maximum screen rating of 270 volts at 3 watts. DO NOT USE IN AMPS CALLING FOR 6L6GC's. They will likely melt down and damage your amp.
The 6L6GB have a plate rating of 360 volts, 19 watts and a screen rating of 270 volts and 2.5 watts. They are in straight sided envelopes like 6L6GC's.
The 6L6G are Large ST (Coke Bottle) Shaped Tubes. They have the same ratings as the 6L6GA/GB; 360 volts/19 watts plate and 270 volts/2.5 watts screen.
The 6L6 is the metal jacketed version of the 6L6 tube. They have the same plate/screen ratings as the 6L6G/GA/GB. The 1614 and 1622 are premium versions of the 6L6 that are rated for maximum output and longer life.
7581A General Electric Beam Pentode AF Power-Amplifier (NOS/NIB)
Out of Stock
- NSN #: 5960-00-728-1434
- Can replace KT66
- Size: 3.25" High from base bottom to top of Glass envelope, 1.5" diameter
New Old Stock * New In Box * No longer available for export
MFR: General Electric Company
SKU: 7581A-GE
5881 Sylvania Beam Power Amplifier Tube Matched Quad (4) (NOS/NIB)
In Stock
- Mil-Spec version in original box. Matched Quad (4 tubes - Matched)
- Latre 1979 to Early 1980 Production
- NSN: 5960-00-996-6898
- Can Replace 6L6WGB
New Old Stock Not For Export
MFR: Sylvania
SKU: 5881-MQ
5881 GE Electron Tube (Pull)
In Stock
The 6L6WGB / 5881 is the electrical equivalent to types 6L6 and 6L6GC except that the plate and screen dissipation ratings have been increased approximately 20 percent. It embodies a complete mechanical redesign which results in greater resistance to shock and vibration. The use of treated grids and anode greatly increases its overload capabilities and thereby provides desirable improvement in continuity of service. The addition of a low-loss barrier type base will provide obvious advantages in certain applications.
Used, Excellent condition * No longer available for export
MFR: GE, Canada
SKU: 5881-GE-P
5881 GE Electron Tube (NOS/NIB)
In Stock
The 6L6WGB / 5881 is the electrical equivalent to types 6L6 and 6L6GC except that the plate and screen dissipation ratings have been increased approximately 20 percent. It embodies a complete mechanical redesign which results in greater resistance to shock and vibration. The use of treated grids and anode greatly increases its overload capabilities and thereby provides desirable improvement in continuity of service. The addition of a low-loss barrier type base will provide obvious advantages in certain applications.
New old stock * No longer available for export
MFR: GE
SKU: 5881-GE
6L6 RCA Beam Power Vacuum Tube (NOS/NIB)
In Stock
Beam Power Vacuum Tube. Designed for audio amplifiers. Functions the same as the glass versions of the tube.
Electrical Data:
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.9 A
New old stock * New In Box * No longer available or export.
SKU: 6L6-RCA-NIB
6L6GB RCA Black Plate Beam Power Amplifier (NOS)
In Stock
The 6L6GB is a beam pentode designed primarily for use in audio-frequency power amplifier applications. The tube features high power sensitivity, high efficiency, and low third and higher-order harmonic distortion.
New Old Stock * No longer available for export
MFR: RCA
SKU: 6L6GB-BP-RCA
6L6GC Zenith Black Plate Beam Power Amplifier Tube (NOS)
In Stock
The 6L6GC is a beam power pentode primarily designed for use in audio-frequency power amplifier applications. Features of this tube include high power output capabilities, high plate and screen dissipation ratings, high efficiency, high power sensativity, and low distortion.
The higher ratings of the 6L6GC are advantageous when greater power handling capability is required.
New Old Stock * No longer available for export.
MFR: Zenith
SKU: 6L6GC-BP-Zenith
5881 Tung-Sol Beam Power Amplifier Tube (NOS)
In Stock
5881 Tung-Sol Beam Power Amplifier Tube (NOS)
New Old Stock * No longer available for export
MFR: Tung-Sol
SKU: 5881-TUNG-USA
6L6GB Tung-Sol Beam Power Amplifier Tube (NOS)
In Stock
The 6L6GB is a beam pentode designed primarily for use in audio-frequency power amplifier applications
where relatively large power outputs are required.
New Old Stock
MFR: Tung-Sol
SKU: 6L6GB-TS
6L6WGB / 5881 Sylvania Tube, Beam Power Amplifier (NOS)
In Stock
- Mil-Spec version in original box. Green Stamp.
- NSN: 5960-00-262-0161
New Old Stock * No longer available for export
MFR: Sylvania
SKU: 6L6WGB-SYL
