BIRD Digital RF

These 4-400A Eimac transmiting tubes are low hour pullouts, removed from working equipment.
Clean Used * No longer available for export
MFR: Eimac * MFD: Eitel-McCullough, Inc.
NOTE: The photo is for reference only.
Ninety Day Warranty

Transmitting Tetrode
Glass Envelope
New Old Stock / New In Box * No longer available for Export
MFR: Eimac, USA
SKU: 4-400A-EI-JAN-CIM

Designed for cathode drive applications at frequencies up to 2500Mc
New old stock, New in box * No longer available for export
MFR: GE
SKU: 6897-GE

Designed for cathode drive applications at frequencies up to 2500Mc

MFR PART: 197T119A01
New Old Stock, New in box * No longer available for export
MFR: Motorola
SKU: 6897-MOT

Designed for cathode drive applications at frequencies up to 2500Mc
Used Excellent Condition * No longer available for export
MFR: GE
SKU: 6897-Pull

Designed for cathode drive applications at frequencies up to 2500Mc
New old stock * No longer available for export
MFR: Westinghouse
SKU: 7289-WH

Designed to function as a pulse rated 3CX100A5.
New Old Stock, New In Box * No longer available for export
MFR: Eimac
SKU 7815R
Six Month Warranty

3CW300B variant.
Used * No longer available for export
MFR: Eimac
SKU: Y-278-P

The 4X150D tetrodes are compact power tubes intended for use as amplifiers, oscillators, or frequency multipliers at frequencies up to 500 megacycles. They are designed for operation at a heater potential of 26.5 volts.

New Old Stock * No longer available for export
MFR: RCA
SKU: 4X150D-RCA