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3-500ZG Transmitting Tubes

The RF Parts 3-500ZG™ is a compact power triode intended to be used as a zero-bias Class AB2 amplifier in audio or radio-frequency applications. Operation with zero grid bias simplifiers assocated circuitry by eliminating the bias supply. In addition, grounded-grid operation is attractive since power gain as high as twenty can be obtained with the 3-500ZG™ in a cathode-driven circuit.

3-400Z and 3-500Z Tube Comparison

FULLY 100% TESTED AND "BURNED IN" AT THE RF PARTS FACILITY IN SAN MARCOS, CALIFORNIA.  SO, JUST "PLUG AND PLAY".

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  1. PARA-1 Parasitic Suppressor, For use on 3-500Z, 572B, etc.

    PARA-1 Parasitic Suppressor, For use on 3-500Z, 572B, etc.

    $7.95

    Out of stock

    PARA-1  Parasitic Suppressor, For use on 3-500Z, 572B, etc.

  2. 275 Tube Socket, Ceramic, 5 Pin, 3-500Z, 4-400A, China

    275 Tube Socket, Ceramic, 5 Pin, 3-500Z, 4-400A, China

    $12.95 As low as: $11.50

    Out of stock

    275 Tube Socket, Ceramic, 5 pin, 3-500Z, 3-500ZG, 4-400A, 4-400C, 4-125A

    Made in China

  3. PARA-2 Parasitic Suppressor, For use on 4-1000A, etc.

    PARA-2 Parasitic Suppressor, For use on 4-1000A, etc.

    $15.00

    Out of stock

    PARA-2  Parasitic Suppressor, For use on 4-1000A, etc.

     

  4. 3-500ZG Transmitting Tube, Taylor Tubes (1 Year Warranty)

    3-500ZG Transmitting Tube, Taylor Tubes (1 Year Warranty)

    $239.95

    3-500ZG Taylor Tubes Brand Premium Grade Transmitting Tube

    Includes a Limited 1 Year Warranty from RF Parts Company!

  5. 3-500ZG Transmitter Tube, RF Parts Company (1 Year Warranty)

    3-500ZG Transmitter Tube, RF Parts Company (1 Year Warranty)

    $239.95

    3-500ZG  RF Parts Brand Premium Grade Transmitting Tube (socket Not Included)

    The "RFP" (and Taylor Tubes) brand are the best quality graphite anode tube in the Eimac format. Virtually an exact copy of the Eimac 3-500Z in both mechanical and electrical characteristics. RF Parts 3-500ZG easily represents the best value for the price.

    Includes a Limited One Year Warranty from RF Parts Company 


  6. 3-400Z Transmitting Tube, Eimac (NOS) 8163/3-400Z

    3-400Z Transmitting Tube, Eimac (NOS) 8163/3-400Z

    $329.00

    Out of stock

    3-400Z Transmitting Tube, 8163 / 3-400Z, MFR: Eimac (NOS)

    Limited Quantity Available, Limited 90 day warranty, No longer available for Export

     

    Made in the USA

  7. 8163 Transmitting Tube, 8163/3-400Z, Amperex NOS

    8163 Transmitting Tube, 8163/3-400Z, Amperex NOS

    $329.00

    8163 Transmitting Tube, 8163/3-400Z, MFR: Amperex  No longer available for Export, (NOS)

    Made in the USA

  8. 3-500Z-EI Transmitting Tube, Metal Plate, Eimac (NOS)

    3-500Z-EI Transmitting Tube, Metal Plate, Eimac (NOS)

    $339.95

    Out of stock

    3-500Z-EI  Transmitting Tube, Metal Plate, Eimac (NOS)

    Limited Quantity Available, 90 day warranty from RF Parts, Not for Export

     

    Made in the USA

  9. 3-500ZG Transmitting Tube, Graphite Plate, Eimac (NOS)

    3-500ZG Transmitting Tube, Graphite Plate, Eimac (NOS)

    $339.95

    Out of stock

     3-500ZG Transmitting Tube, Graphite Plate, MFR: Eimac (NOS)

    Limited Quantity available, 90 limited warranty from RF Parts, Not for Export

     

    Made in the USA
  10. 3-500Z Transmitting Tube, 8802/3-500Z, Amperex

    3-500Z Transmitting Tube, 8802/3-500Z, Amperex

    $429.95

    Out of stock

    3-500Z  Transmitting Tube, 8802/3-500Z, MFR: Amperex  No longer available for Export, (NOS)

     

     

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Minimum Order:  The Minimun Order amount is $15.00, all inclusive.

International Purchases:  Our preferred method of payment is via Wire Transfer of funds.  An additional fee of $20.00 may be assessed.   Of course, PayPal payments are accepted.  At this time (January, 2018) we are not accepting payments by International Credit Card.  

 

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