EIMAC

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

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.

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.

Used * No longer available for export
MFR: Eimac
SKU: 4X150D-EI-P

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

New Old Stock * No longer available for export
MFR: Penta Labs
SKU: 4-400A-JAN-CBCZ-P

4-400A  EIMAC Transmit Tube (NOS)

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

Low HOur Pull * No longer available for export
MFR: Penta
SKU: 4PR400A-PENTA-LHP

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