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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.

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  1. KT66 / 7581A RF Parts Beam Power Amplifier Tube, Matched Pair

    KT66 / 7581A RF Parts Beam Power Amplifier Tube, Matched Pair

    $49.91

    Matched pair of RF Parts brand KT66 tubes
    Made in China
    SKU: KT66


  2. 5881 / 6L6WGB Sylvania Tube, Beam Power Amplifier, Matched Pair

    5881 / 6L6WGB Sylvania Tube, Beam Power Amplifier, Matched Pair

    $86.00

    5881 / 6L6WGB Sylvania Beam Power Amplifier Tube, Matched Pair

    MFR:Sylvania  (5960-00-996-6898)
    No longer available for Export

    Made in the USA

  3. 5881 / 6L6WGB Sylvania-JAN, Beam Power Amplifier Tube,  NSN:  5960-00-996-6898 (NOS/NIB)

    5881 / 6L6WGB Sylvania-JAN, Beam Power Amplifier Tube, NSN: 5960-00-996-6898 (NOS/NIB)

    $64.91

    5881-SYL  Tube, Audio  Beam Power Amplifier, 6L6WGB / 5881 

    MFR: Sylvania-JAN  NSN:  5960-00-996-6898
    No longer available for Export,  (1980 Production)

    Made in the USA
  4. 6L6GC Svetlana Beam Power Amplifier Tube SV6L6GC

    6L6GC Svetlana Beam Power Amplifier Tube SV6L6GC

    $33.91

    Beam Power Amplifier Tube SV6L6GC
    New Old Stock * No longer available for export
    MFR: Svetlana, Russia
    SKU: 6L6GC-SVET
    Six Month Warranty

  5. 6L6GC  Audio Tube, Select tested, Beam Power Amplifier,  Tung Sol

    6L6GC Audio Tube, Select tested, Beam Power Amplifier, Tung Sol

    Regular Price: $29.95

    Special Price $26.75

    As low as: $24.95

    6L6GC-STR  Audio Tube, Select Tested, Beam Power Amplifier MFR: Tung Sol

    No longer available for Export


  6. 6L6GC RCA Black Plate Beam Power Amplifier Tube (PULL)

    6L6GC RCA Black Plate Beam Power Amplifier Tube (PULL)

    $139.95

    6L6GC RCA Black Plate Beam Power Amplifier Tube (Used, Excellent Condition)

    Made in the USA
  7. 6L6GC  Shuguang  Beam Power Amplifier Audio Tube

    6L6GC Shuguang Beam Power Amplifier Audio Tube

    $10.95

    6L6GC  Beam Power Amplifier Audio Tube, MFR: Shuguang

    Made in China

  8. SV6L6GC Svetlana Beam Power Amplifier Tube Matched Pair (2) (NOS)

    SV6L6GC Svetlana Beam Power Amplifier Tube Matched Pair (2) (NOS)

    $67.91

    Matched pair of original Svetlana tubes (Not Sovtek). Tested at RF Parts test lab.
    New Old Stock * No longer available for export
    MFR: Svetlana, Russia
    SKU: 6L6GC-SVET-MP
    Six Month Warranty

  9. 6L6GCMP  Shuguang  Beam Power Amplifier Audio Tube, Matched Pair

    6L6GCMP Shuguang Beam Power Amplifier Audio Tube, Matched Pair

    $22.00

    6L6GCMP  Beam Power Amplifier Audio Tube, Matched Pair, MFR: Shuguang

    Made in China

  10. 6L6G

    6L6G

    $41.00

    Tube, us, st glass

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