BIRD Digital RF

Transmitting Tetrode
Glass Envelope
New Old Stock * No longer available for Export
MFR: Eimac, USA
SKU: 4-400A-EI-JAN-8438

• Cathode: Oxide Coated Unipotential
• Voltage: 6.0 + 0.3 volts
• Current at 6.0 volts: 8.2 Amps
• Amplification Factor (Average): 3.4

New old Stock  * No longer available for export
MFR: Eimac
SKU: 8295A

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.

Transmitting Tetrode
Glass Envelope
New Old Stock / New In Box * No longer available for Export
MFR: Eimac, USA
SKU: 4-400A-EI-JAN-CIM

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

Transmitting Tetrode
Glass Envelope
Used * No longer available for Export
MFR: Eimac, USA
SKU: 4-400A-EI-JAN-8438-P

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

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

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