Tubes - Transmitting, Audio, Misc.

8188/4PR400A Radial-beam Pulse Tetrode Modulator Oscillator Amplifier tube. 

Used
MFR: Eimac
SKU: 4PR400A-EI-P

8188/4PR400A Radial-beam Pulse Tetrode Modulator Oscillator Amplifier tube. 

Low Hour Pull
MFR: Eimac
SKU: 4PR400A-JAN-LHP

4-400A  EIMAC Transmit Tube (NOS)

New Old Stock * No longer available for export
MFR: Eimac
SKU: 4-400A-EI-NOS

New Old Stock * New In Box * No longer available for export
MFR: Eimac
SKU: 4-400B-7427 EI-NOS-NIB

High Mu Triode (Planar)
New Old Stock * No longer available for export
MFR: Eimac
SKU: 7211

• Filament: Thoriated Tungsten
• Voltage: 7.5 volts
• Current: 48 (min.) – 53 (max.) Amps

New Old Stock * No longer available for export
MFR: Eimac
SKU: 3CX2500F3-EI

Data Sheet

This New Old Stock (NOS) tube has been 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.

Eimac Tube Socket for 3CX1500A7/8877

Removed from new assemblies
New Old Stock 
MFR: Eimac
SKU: SK2200

Package contains the socket, chimney, brackets, and mounting plate.

All contacts are sliver plated
New old stock * No longer available for export
MFR: Eimac
SKU: SK265-A

Designed for 4CX3500A/4CX7500A
New old stock
MFR: Eimac
SKU SK340-EI