Transmitting Tubes

• Filament: Thoriated Tungsten
• Voltage: 7.5
• Current: 20.0 – 22.7 Amps
• Amplification Factor: 6.1 – 7.7

Low Hour Pull * No longer available for export
MFR: Sylvania
SKU: 4-1000A-SYL-LPH

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.

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

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

Transmitting Tetrode
Glass Envelope
New Old Stock * No longer available for export
MFR: General Electric - Made in France
SKU: 4-400A-GE-FRANCE

These 4-400A Eimac transmiting tubes are low hour pullouts, removed from working equipment.
Clean Used * No longer available for export
MFR: Eimac * MFD: Eitel-McCullough, Inc.
NOTE: The photo is for reference only.
Ninety Day Warranty

These 4-400A Eimac transmiting tubes are low hour pullouts, removed from working equipment.
Clean Used * No longer available for export
MFR: Eimac * Made in USA
SKU: 4-400A-8438-JAN-EI-P
Ninety Day Warranty

NOTE: The photo is for reference only.

These 4-400A Eimac transmiting tubes are low hour pullouts, removed from working equipment.
Clean Used * No longer available for export
MFR: Eimac * Made in USA
SKU: 4-400A-EI-JAN-CBXT-P
Ninety Day Warranty

NOTE: The photo is for reference only.

Transmitting Tetrode
Glass Envelope
Used * No longer available for export
MFR: General Electric
SKU: 4-400A-GE-P

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