Other

GS-36B/4CX400A  Transmitting Tube, Tetrode, MFR: Russian

The GS-36B tetrode is designed for power amplification in distributed-gain amplifiers and single-sideband signal amplifiers at frequencies up to 75 MHz, and for power amplification at up to 500 MHz in RF equipment.  The GS-36B tetrode is generally considered to be similar to the 4CX400A. 

This tube is a "Low-hour Pull" and it meets all specifications.
Ninety Day Limited Warranty
Used, Excellent Condition * No longer available for export.
MFG: RCA, USA

For Gates Transmitters

New Old Stock * No Longer Available for Export
MFR: National Electronics * Made in USA

SKU:807W

8072  Transmitting Tube, MFR: RCA (Clean Pullout) (90 Day Limited Warranty) No longer available for Export, (NOS)

8072  Transmitting Tube, MFR: RCA  No longer available for Export, (NOS)

805-US  Transmitting Tube, USA (nos)

NOTE: Not available for Export

Designed to operate as a radio frequency amplifier, oscillator, modulator and frequency multiplier.
New old stock * No longer available for export.
MFR: Amperex
SKU: 7854

Radiation cooled Twin Tetrode designed for push-pull Class C operation at frequencies up to 1000 Mhz.
New Old Stock * No longer available for export.
MFR: Amperex * Made in Holland
Limited 90 Day Warranty
SKU: 7377