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4CX250B/M Eimac Transmitting Tube (NOS)
4CX250B/M Eimac Transmitting Tube (NOS)

In Stock

$179.91

The 4CX250B/M is a ceramic/metal, forced-air cooled external-anode tetrode with a maximum anode dissipation rating of 250 Watts. The 4CX250B/M is intended for use in applications where tight control of electrical specifications is required and replaces the 4CX250B in all applications. This tube utilizes a ruggedized internal structure and utilizes a welded anode cap for improved reliability.
New Old Stock * No longer available for export
MFR: Eimac
SKU: 4CX250B/M-EI

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4CX250BT Amperex Special Broadcast/Industrial Transmitting Tube (NOS)
4CX250BT Amperex Special Broadcast/Industrial Transmitting Tube (NOS)

In Stock

$129.91

Special, Broadcast/Industrial
New Old Stock * No longer available for export
MFR: Amperex
SKU: 4CX250BT-AMP

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4CX250BC Svetlana Transmitting Tube (NOS)
4CX250BC Svetlana Transmitting Tube (NOS)

In Stock

$169.91

TransmittingTube
New Old Stock * No longer available for export
MFR: Svetlana
SKU: 4CX250BC-SVET

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YC-136 Eimac Ceramic Transmitting Tube (4CX250B) (Pull)
YC-136 Eimac Ceramic Transmitting Tube (4CX250B) (Pull)

In Stock

$179.91

This tube is an improved version of the 4CX250B, with slightly higher average gain. This tube has been tested, and is electrically similar to a NOS tube at 95%-100%. There may be some minor scratches or discoloration indicating that the tube had been in a socket


Used * No longer available for export
MFR: Eimac
SKU: YC-136-P


This tube has been recently tested and meets all technical specifications. The Warranty period for this tube is Thirty Days from the date of purchase, for the original customer only.  Please follow the instruction insert for proper installation.

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