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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. 6L6-METAL Tube, 6L6 metal, Beam Power Amplifier, RCA, GE

    6L6-METAL Tube, 6L6 metal, Beam Power Amplifier, RCA, GE

    $23.00

    6L6-METAL Tube, Beam Power Amplifier, MFR: RCA, GE  No longer available for Export, (NOS)

  2. 7581A/KT66-MP-US  Tube, Matched pair, Beam Power Amplifier, US brand

    7581A/KT66-MP-US Tube, Matched pair, Beam Power Amplifier, US brand

    $119.90

    Out of stock

    7581A / KT66-MP-US  Tube, Matched pair, Beam Power Amplifier, US brand Select grade

  3. 7581A/KT66 Tube, Beam Power Amplifier, Mfg US brand

    7581A/KT66 Tube, Beam Power Amplifier, Mfg US brand

    $59.95

    Out of stock

    7581A/KT66 Tube, Beam Power Amplifier, Mfg US brand

    7581A/KT66 Tube, Beam Power Amplifier -  Audio Tetrode, MFR: US brand


  4. 5881MP-SYL Tube, Beam Power Amplifier, Matched Pair, 5881/6L6WGB, Sylvania

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

    $86.00

    5881MP-SYL Tube, Beam Power Amplifier, Matched Pair, 5881/6L6WGB, MFR:Sylvania  (5960-00-996-6898)

    No longer available for Export

    Made in the USA

  5. 5881-SYL Tube,  Beam Power Amplifier, 6L6WGB / 5881, Sylvania-JAN

    5881-SYL Tube, Beam Power Amplifier, 6L6WGB / 5881, Sylvania-JAN

    $40.00

    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
  6. 7581A Tube, Beam Power Amplifier, 7581A / KT66,  JAN/Philips

    7581A Tube, Beam Power Amplifier, 7581A / KT66, JAN/Philips

    $69.95

    Out of stock

    7581A Tube, Beam Power Amplifier - Audio Tetrode, 7581A / KT66, special purpose, JAN - Philips/ECG

  7. 6L6GC  Tube,  Audio Beam Power Amplifier, USA brand

    6L6GC Tube, Audio Beam Power Amplifier, USA brand

    $79.95

    6L6GC-US  Tube,  Audio  Beam Power Amplifier MFR: USA brand

  8. 6L6GC-SVET Tube, Beam Power Amplifier, SV6L6GC, Svetlana

    6L6GC-SVET Tube, Beam Power Amplifier, SV6L6GC, Svetlana

    Regular Price: $28.95

    Special Price $23.95

    6L6GC-SVET Tube, Beam Power Amplifier,  SV6L6GC, MFR: Svetlana

    Russian Svetlana tube from early 2000 production with Large S logo. Limited Quantity Available, New Old Stock, 90 Day Warranty through RF Parts Company

    Made in Russia

    No longer available for Export

  9. 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

  10. 6L6GC Tube, Audio, Beam Power Amplifier,   RCA

    6L6GC Tube, Audio, Beam Power Amplifier, RCA

    $109.00

    6L6GC Tube, Audio  Beam Power Amplifier, MFR: RCA  No longer available for Export (NOS)

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