isw wrote in message
]...
In article ,
"N_Cook" wrote:

isw wrote in message
]...
In article ,
Sofa Slug wrote:




If there is not a corresponding hole in the bottom, or the bottom of the
rear panel, you should do that too. Convection can do wonders.

Isaac


EL34 bases are 15mm diam and the metal chassis holes 45mm so plenty of
airgap there, but absolutely no holes through the valve bases or pcb.


--
Diverse Devices, Southampton, England
electronic hints and repair briefs , schematics/manuals list on
http://home.graffiti.net/diverse:graffiti.net/