Other

The 833A is a vacuum tube constructed for medium power oscillator or class B or C amplifier applications. 

MFR: Penta Labs
New Old Stock * No longer available for export
Made in China
SKU: 833A-PENTA-CN

The YU204 is a pulse tetrode intended for use in pulse modulator, pulsed-amplifier and pulsed-oscillator service. This compact, high vacuum radial-beam tetrode, incorporating a molybdenum anode and non-emitting grids, is recommended for use in new equipments where high voltage, high current, or high duty factor is encountered.

Clean Used * No longer available for export
MFR: Amperex
Made in France
SKU: YU-204-AMP-P

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.

Ceramic/Glass Tetrode
HD version of 4X150D
New Old Stock * No longer available for export
MFR: Eimac
SKU: 7609

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

New Old Stock * New In Box * No longer available for export
MFR: Amperex
Made in Holland
SKU: 6KG6-AMP-NL

Designed to function as a industrial rectifier tube.
New Old Stock * New In Box * No Longer available for export
MFR: National Electronics
SKU: 7723
Made in USA

The 4E27 is a VHF Transmitting Pentode that is air cooled with a 7 pin ceramic dish base

MFR: Lewis Electronics * Made in USA
New Old Stock * No Longer Available for Export

SKU:4E27

Beam power amplifier tube
Manufacturers: GE, Sylvania, Westinghouse
New old stock * No longer available for export

Hydrogen Thyratron for radar modulation applications. 8KV peak, 100mA average, 90A peak anode current. Super Jumbo 4pin base with bayonet.

New Old Stock * No longer available for export
MFR: Philips
Made in Holland
SKU:4C35-Philips