Tubes - Transmitting, Audio, Misc.

For Broadcast and Industrial use.
New Old Stock / New In Box * No longer available for Export
MFR: Eimac, USA
SKU: 4-400C-EI-BOX

See Data Sheet

NOTE: Picture for reference only

For Broadcast and Industrial use.
Used * No longer available for Export
MFR: Eimac, USA
SKU: 4-400C-EI-BOX

See Data Sheet

NOTE: Picture for reference only

For Broadcast and Industrial use.
New Old Stock * No longer available for Export
MFR: Eimac, USA
SKU: 4-400C-EI

See Data Sheet

NOTE: Picture for reference only

Similar to 4X150A with coaxial base. Max frequency raised to 500MHz CW or to 1500MHz pulse.

New Old Stock * No longer available for export
MFR: Eimac
SKU: 4X150G-EI-NOS

Ceramic/Glass Tetrode
HD version of 4X150D
Clean Used * No longer available for export
MFR: Amperex
SKU: 7609-AMP-P

Radial Beam Power Tetrode Transmitting Tube
Used * No longer available for export
MFR: Eimac
SKU: 4X150A-EI-P

NOTE: The photo is for reference only.

• 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: 5.0 or 10.0 Volts
• Current: 25.0 or 12.5 Amps

New Old Stock * No longer available for export
MFR: Eimac
SKU: 304TL

 Data Sheet

• Filament: Thoriated Tungsten
• Voltage: 7.5
• Current: 20.0 – 22.7 Amps
• Amplification Factor: 6.1 – 7.

New Old Stock * No longer available for export
MFR: Eimac
SKU: 4-1000A-EI

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.