Tubes - Transmitting, Audio, Misc.

• Filament: Thoriated Tungsten
• Voltage: 5.0 ± 0.25 Volts
• Current, at 5.0 Volts: 40 Amps

New Old Stock * No longer available for export
MFR: Penta Labs
SKU: 5CX1500A-PENTA

This tube was rebuilt by Econco on an Eimac core.

Used Rebuilt * No longer available for export
MFR: Econco
SKU: 5CX1500B-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: Eimac
SKU: 4X150D-EI

Jan Transmitting Tube
Special purpose, broadcast/industrial High Mu Triode
New Old Stock * No longer available for export
MFR: Eimac
SKU: 7289-EI

• Filament: Thoriated Tungsten
• Voltage: 7.5 + 0.37 volts
• Current: 20 Amps
• Amplification Factor: 200

Used * No longer available for export
MFR: Eimac 
SKU: 3-1000Z-EI-P

Data Sheet

This 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.

• Filament: Thoriated Tungsten
• Voltage: 7.5 volts
• Current: 20 – 22.7 Amps
• Amplification Factor: 6.9

Used * No longer available for export
MFR: Eimac
SKU: 4PR1000A-EI-P

Data Sheet

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.

Ruggedized construction allows the 4CS250R to be operated in applications where shock and/or vibration is experienced.

The Sealed Bag was ripped and allowed air to reach the tube resulting in minor corrosion around the threaded hole. Corrosion has been removed.

New Old Stock, Not for Export
MFR: Amperex
SKU: 4CS250R

New Old Stock * No longer available for export
MFR: Amperex
SKU: 4CS250H-AMP

4-500B  Transmitting Tube, Tetrode, Glass,  MFR:Triton

Limited Quantity Available, New Old Stock, Not for Export