Virtual Valve Museum
Virtual Valve Museum | search: (use * for wildcard)
About the museumMuseum exhibitsUpdates, new exhibits etc.EquipmentSupporters
*DocumentsValves wanted!Valves for sale or for tradeLinks to other sites, suppliers etc.

CV173 / EF55 video amplifier pentode

Size This valve measures 94x35mm overall and has a B9G base

The prototype for this valve is DDR2. See also CV296 and CV2015. Also see CV2006 for a modified version.

Heater voltage 6.3V
Heater current 0.95A
Max continuous anode voltage 300V
Max anode voltage, pulsed grid "no current" state 500V
Max continuous screen grid voltage 275V
Max screen grid voltage, pulsed grid "no current" state 300V
Max anode dissipation 11W
Max screen grid dissipation 2.2W
Max heater to cathode voltage 150V
Max peak cathode current, 50µs pulse at 500pps 1.5A

 

Pin Function
1 Heater
2 Screen grid
3 Anode
4 Suppressor grid
5 Internal shield
6 Cathode
7 Control grid
8 Internal shield
9 Heater

 

CV173
EF55

This file was last modified 15:00:28, Tuesday September 02, 2014