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Date Posted by Category User IP

2015-02-18 (UTC)

LZ1QU

Tubes

95-42-31-221.ip.btc-net.bg

For sale GU81M tubes

The tube GU-81M is the most
powerful generating pentode in
glass design with ambient cooling.
http://ekladata.com/5ERKiOegxR1qRes
87k7s-dDRr9I/GU-81M.pdf

Name GU81M
Type pentode
Cathode type
tugsten,carbidized,direct heating
Application field power
amplification up to 50 MHz
Brief application
amplification, oscillation
Envelope glass
Cooling method air
Dimensions 260mmx202mm
Mass 1 kg
Filament voltage 12.6 V
Filament current at most 11
A
Mutual conductance 4.5 to 6.5
mA/V
Gain coefficient 2.5 to 4
Output power 0.75 kW
Maximum anode voltage 3500 V
Maximum operating frequency
50MHz
Price:70$+shipping
PAY PAL
Thanks for looking my post

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