GU-47B  Power Tetrode.

The  GU-47B is 7kW Linear SSB POWER TETRODE.
Made in Poljaron factory, Lvov Ukraina, ex USSR. 
Use in SSB Power amplification up to 70MHz.


GENERAL
Cathode: tugsten,carbidized,direct heating
Envelope:heating  glass-to-metall,with ring leads of cathode and grids 

Cooling: forced air.
Filament voltage: 6,3V
Filament current: 57-67A
Anode voltage: 3.0-6.0kV
Grid2 voltage: 0.9kV
Mutual conductance: 36-44mA/V
Height: 260 mm
Diameter: at most 124 mm
Mass: at most 3,5 kg

Please allow for the following shipping times:

EU countries: 5-8 business days, on rare occasions a few days more
USA: 10-15 business days, on rare occasions more
South East Asia (Japan, Singapore, S. Korea, Hong Kong, Taiwan etc) 10 business days, on rare occasions more
India, China, Russia, Kazakhstan, Pakistan, Indonesia, Malaysia, Thailand, Australia, South Africa etc: at least 15 business days, but frequently around 25 business days
 
Please note that shipping cost is calculated at average. If you have any objections please contact me for a specific quotation.

I can combine shipments to save you money! Please look at my other listings!