Shuguang 805 FU-5 Vacuum Tube Audio Valve Replace GL-805 805 Electron Tube Amplifier Kit DIY Factory Testing Matching Genuine
805 (FU-5) direct heating thorium tungsten cathode transistor 805 can be used for Class B, A-F, R-F power amplification, Class C R-F power amplification, and high-frequency oscillation. 805 is similar to GL-805 and can be used interchangeably.
Filament heating
Uf…… 10 V
If… 3.25 A
Interpolar capacitance
Input capacitance…… 8.5 PF
Output capacitance: 10.5 PF
Cross circuit capacitance…… 6.5 PF
Extreme rated value
Anode voltage: 1500 V
Anode dissipation power…… 125 W
Working frequency and anode voltage
When the working frequency is above 30MC, the anode voltage and anode input power will be adjusted in a timely manner according to the following table:
Frequency (MC) anode voltage and anode input power
B-pole electrode C-level telephone anode modulation telegraph
30 100% 100%
45 90% 82%
80 71% 55%
We have the conditions and advantages to match multiple tubes (four tubes, eight tubes) according to customer needs. same parameters
Buy 2 pcs 3pcs 4pcs 8pcs = exact matching (matching group). No parameter drift.
The electronic tubes operated by this store are guaranteed to be original,Brand new and high-quality authentic products The electronic tubes sold have undergone strict testing and matching.
Note: It will be shipped after strict inspection again (please do not think it is a fake and shoddy product after receiving the tube).








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