CV1574 RF pentode
This valve is based on the SP41. However, this example does not have metallising and the glass is a slimmer shape.
It carries the marking VM which may indicate the manufacturer but VM does not appear in the manufacturers table.
||This valve measures 92x30mm overall and has a Mazda Octal base
|Nominal heater current||950mA|
|Max anode voltage||250V|
|Max screen voltage||250V|
|Max anode dissipation||4.5W|
|Max screen dissipation||1.25W|
|Mutual conductance *||8.5mA/V|
|Max operating frequency||60MHz|
*: At Va=200, Vg1=-1.5, Vg2=200
|6||Metallising (missing in this example)|
This file was last modified
19:48:10, Saturday April 01, 2023