1-800-RFPARTS (1-800-737-2787) 1-760—744-0700 (USA – International) ORDERS: rfp@rfparts.com 435 S PACIFIC ST SAN MARCOS, CA 92078

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. 275-TAY Tube Socket, 5 Pin, 3-500Z, 4-400A, Taylor

    275-TAY Tube Socket, 5 Pin, 3-500Z, 4-400A, Taylor

    275-TAY Tube Socket, 5 Pin, works with 3-500Z / 3-500ZG / 4-400A / 4-125 Tubes, MFR: Taylor

  2. 3-500ZG-RFP  Transmitter Tube, RF Parts Brand

    3-500ZG-RFP Transmitter Tube, RF Parts Brand

    $239.95

    3-500ZG-RFP  RF Parts Brand Premium Grade Transmitting Tube

    The "RFP" line is the best quality graphite anode tube in the Eimac format. Virtually an exact copy of the Eimac 3-500ZG in both mechanical and electrical characteristics. RF Parts 3-500ZG easily represents the best value for the price, warranty included.

    Includes a 3 year warranty from RF Parts Company!  

    NOTE: For Export purchases, additional shipping / handling charges may apply.

     

  3. 3-500ZG-TAY - Transmitting Tube, Taylor

    3-500ZG-TAY - Transmitting Tube, Taylor

    $239.95

    3-500ZG-TAY Taylor Brand Premium Grade Transmitting Tube

    Includes a 3 year warranty from RF Parts Company! 

     NOTE: For Export purchases, additional shipping / handling charges may apply.


  4. 3-400Z Transmitting Tube, Eimac (NOS) 8163/3-400Z

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

    $329.00

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

    Limited Quantity Available, Limited 90 day warranty

     

    Made in the USA

  5. 8163  Transmitting Tube, Amperex (NOS) 8163/3-400Z

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

    $329.00

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

    Limited Quantity Available, Limited 90 day warranty

     

    Made in the USA
  6. 3-500ZG-RFP-MP Transmitting Tube, Matched Pair, RF Parts

    3-500ZG-RFP-MP Transmitting Tube, Matched Pair, RF Parts

    $479.90

    3-500ZG-RFP-MP RF Parts Company Brand Premium Grade Transmitting Tube, Matched Pair 

    Includes a 3 year warranty from RF Parts Company! 

    NOTE: For Export purchases, additional shipping / handling charges may apply.

  7. 3-500ZG-TAY-MP Transmitting Tube, Matched Pair, Taylor

    3-500ZG-TAY-MP Transmitting Tube, Matched Pair, Taylor

    $479.90

    3-500ZG-TAY-MP Taylor Tubes Brand Premium Grade Transmitting Tube, Matched Pair 

    Includes a 3 year warranty from RF Parts Company! 

    NOTE: For Export purchases, additional shipping / handling charges may apply.

  8. 3-500ZG-RFP-M3 Transmitting Tube, Matched 3, RF Parts

    3-500ZG-RFP-M3 Transmitting Tube, Matched 3, RF Parts

    $719.85

    3-500ZG-RFP-M3  RF Parts Brand Premium Grade Transmitting Tube, Matched Set of 3 Tubes
    Includes a 3 year warranty from RF Parts Company!

    NOTE: For Export purchases, additional shipping / handling charges may apply.

     

     

  9. 3-500ZG-TAY-M3 Transmitting Tube, Matched 3, Taylor

    3-500ZG-TAY-M3 Transmitting Tube, Matched 3, Taylor

    $719.85

    3-500ZG-TAY-M3 Taylor Tubes Brand Premium Grade Transmitting Tube, Matched Set of 3

    Includes a 3 year warranty from RF Parts Company! 

    NOTE: For Export purchases, additional shipping / handling charges may apply.

  10. 3-500ZG-RFP-MQ Transmitting Tube, Matched Quad, RF Parts

    3-500ZG-RFP-MQ Transmitting Tube, Matched Quad, RF Parts

    $959.80

    3-500ZG-RFP-MQ  RF Parts Brand Premium Grade Transmitting Tube, matched quad set of 4

    Includes a 3 year warranty from RF Parts Company!  

     NOTE: For Export purchases, additional shipping / handling charges may apply.

     

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