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

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

    $299.91

    The RCA 6L6GC black plate is one of the most sought after power tubes for great audio.

    New Old Stock * No longer available for export
    MFR: RCA
    Made in U.S.A.
    SKU: 6L6GC-BLKPLATE-RCA

    Made in the USA

  2. 5881 Sylvania Beam Power Amplifier Tube Matched Quad (4) (NOS/NIB)

    5881 Sylvania Beam Power Amplifier Tube Matched Quad (4) (NOS/NIB)

    $259.91

    • 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

    Made in the USA

  3. 6L6GC General Electric Beam Power Amplifier Tube with Black Plate (NOS)

    6L6GC General Electric Beam Power Amplifier Tube with Black Plate (NOS)

    $159.91

    The 6L6GC is designed with high power sensitivity and high efficiency for service in the output stages of AC receivers.
    They are capable of delivering an output at all power levels with a very low percentage of harmonic distortion.

    New Old Stock * No longer available for export
    MFR: RCA
    SKU: 6L6GC-BP-GE

    Made in the USA
  4. 7581A Jan Philips ECG Beam Pentode AF Power-Amplifier (NOS/NIB)

    7581A Jan Philips ECG Beam Pentode AF Power-Amplifier (NOS/NIB)

    $149.91

    NSN #: 5960-00-728-1434

    Size: 3.6" High from base bottom to top of Glass envelope, 1.5" diameter

    New Old Stock * New In Box * No longer available for export
    MFR: Philips / ECG JAN

    SKU: 7581A-JAN-ECG


  5. 5881 Tung-Sol Beam Power Amplifier Tube (NOS/NIB)

    5881 Tung-Sol Beam Power Amplifier Tube (NOS/NIB)

    $149.91

    5881 Tung-Sol Beam Power Amplifier Tube (NOS)
    New Old Stock * No longer available for export
    MFR: Tung-Sol - Made in  USA
    SKU: 5881-TUNG-USA

    Made in the USA

  6. 6L6WGB Tung-Sol JAN-CTL / 5881 Electron Tube (NOS/NIB)

    6L6WGB Tung-Sol JAN-CTL / 5881 Electron Tube (NOS/NIB)

    $148.91

    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

    SKU:6L6WGB-TS-JAN

    Made in the USA

  7. 6L6GC RCA Black Plate Beam Power Amplifier Tube (Pull)

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

    $139.91

    6L6GC RCA Black Plate Beam Power Amplifier Tube
    Used, Excellent Condition * No longer available for export
    MFR: RCA
    SKU: 6L6GC-BP-RCA-P

    Made in the USA

  8. 5881 Sylvania Beam Power Amplifier Tube Matched Pair (2) (NOS/NIB)

    5881 Sylvania Beam Power Amplifier Tube Matched Pair (2) (NOS/NIB)

    $129.91

    • Mil-Spec version in original box.  Matched Pair ( 2 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-MP

    Made in the USA
  9. 6L6GC Svetlana Beam Power Amplifier Tube Matched Pair (2) SV6L6GC (NOS/NIB)

    6L6GC Svetlana Beam Power Amplifier Tube Matched Pair (2) SV6L6GC (NOS/NIB)

    $99.91

    Matched pair of original Svetlana tubes.Tested at RF Parts test lab.
    The Svetlana SV6L6GC is a glass envelope beam-power tetrode intended for highpower audio amplifier service. This is a Russian Svetlana tube from early 2000 production with Large S logo.

    New Old Stock * New In Box * No longer available for export
    MFR: Svetlana
    Made In Russia
    SKU: 6L6GC-SVET-MP

     


  10. 5881 GE Electron Tube (NOS/NIB)

    5881 GE Electron Tube (NOS/NIB)

    $79.91

    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

    Made in the USA

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