BIRD Digital RF

QB4 / 1100GA, Graphite Anold
Used * No longer available for export
MFR: Amperex
SKU: 4-400AX-AMP-P

The type 4C35 Haudrogen Thyratron is a hot-cathode grid-controlled gas rectifier tube especially designed for pulsing service at high repitition frequencies, high peak currents, and high voltages.

Low Hour Pullout * No longer available for export
MFR: Sylvania
SKU: 4C35-SYL-P

Limited 30 Day Warranty 

Data Sheet

Designed to operate as a transmitting tube up to 500MC
New Old Stock * No longer available for export
Limited 90 Day Warranty
MFR: Amperex
SKU: 5894

• Maximum anode dissipation: 20 Watts at each anode
• Equivalent to 5894/C178A

New Old Stock * No longer available for export
MFR: Mullard Manufacturing Company
Made in Great Britain
SKU: QQV06-40A

Data Sheet

Svetlana Transmitting Tube, 8321/4CX350A

MFR: Svetlana, Russia

Graphite Anode

Used * No longer available for export
MFR: Philips
Made in France
SKU: 4-400A-JAN-PHIL-LHP

Limited 90 Day Warranty, 
Used * No longer available for export
 MFR: Amperex
SKU: 4-400AX-AMP-MP-P

QB4 / 1100GA, Graphite Anode
Limited 90 Day Warranty, 
New Old Stock * No longer available for export
MFR: Amperex - Made in France
SKU: 4-400A-AMP 

• Voltage (V): 3.8  Current (A): 19.5
• Output Power (W): 1100
• Anode Voltage (V): 4200
• Anode Current (A): 1.2

New Old Stock * No longer available for export
MFR: China
SKU: YL1057/M1057

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.