Virtual Valve Museum

Virtual Valve Museum

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CV2377 beam tetrode

Size The valve measures 130x65mm overall and has a 7-pin B7A base.

See also CV6045

Heater voltage 26V / 13V
Heater current 1.3A / 2.6A
Max DC anode voltage 800V
Max DC screen voltage 300V
Max anode dissipation 90W
Max screen dissipation 10W
Max cathode current 800mA
Mutual conductance
(Va=Vg2=150; Ia=450mA)
Max heater/cathode voltage (heater -ve) 250V
Cag1 1.2pF
Cin 56pF
Cout 21pF


Pin Function
1 Heater
2 Heater centre tap
3 Control grid
4 Cathode
5 Screen grid
6 Anode
7 Heater

Inside view