Tubes - Transmitting, Audio, Misc.

• Filament: Thoriated Tungsten
• Voltage: 7.5 volts + 0.37 volts
• Current  at 7.5 volts:  103 Amps
• Amplification Factor (Grid to Screen): 4.5

New Old Stock * No longer available for export
MFR: Eimac
SKU:4CX5000J

Data Sheet

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

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

The 4CX1000A/8168 is a ceramic and metal, forced-air cooled, radial-beam tetrode, with a rated maximum plate dissipation of 1000 watts. 

• Cathode: Oxide Coated, Unipotenial
• Heater Voltage: 6.0 ±0.3 Volts
• Heater Current at 6 Volts: 9.0 Amps

Data Sheet

Clean Used * No longer available for export
MFR: Eimac
SKU: 4CX1000A-EI-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.

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

Eimac/CPI Transmitting Tube
Long Life version of 4CX350A
Used * No longer available for export
MFR: Eimac/CPI
SKU: 4CX350AC-EI-P

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

The Raytheon 8167/4CX300A is a power tetrode of metal-ceramic construction, designed with an external anode and integral cooling fins.

• Heater Voltage: 6.0 Volts
• Heater Current: 2.85 Amps

New Old Stock * No longer available for export
MFR: Raytheon
SKU: 8167/4CX300A-RAY

• Filament: Thoriated tungsten
• Voltage: 5.0 ± 0.25 V
• Current, at 5.0 volts: 38.5 ± 2.0 A

New Old Stock * No longer available for export
MFR: Svetlana
Made in Russia
SKU: 4CX1500A-SVET

Data Sheet

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

• Cathode: Oxide-coated
• Voltage 12.6 ± 0.6 V
• Current, at 12.6 volts: 4.4 ± 0.3 A
• Voltage, cathode-heater, max:. ± 100 V

New Old Stock * No longer available for export
MFR: Svetlana
Made in Russia

Data Sheet

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