>
>"Brakob, Hans" wrote:
>>
>> The exhaust is vented just like most other amps, via
>> grille-work directly above the tube chimney. The
>> cooling seems perfectly adequate (I run mostly CW),
>> but would be nice to be able to quiet that fan down
>> a little. Since the fan is variable speed (albeit
>> "variable by moving a wire to one of four taps")
>> maybe someone has figured out an automatic switching
>> system based on internal temperature?
>
>With a solid-state amp, it's easy to mount a thermostat on the heatsink.
>With
>tubes, it's more complicated...how about a thermostat clamped to the tube
>anode
>cooler? Isolation from the HV would be interesting. You'd also have to make
>sure that everything else that needs cooling (seals, tank coil, etc.)
>would be
>taken care of.
>
the bandswitch needs cooling.
>73,
>Vic, K2VCO
>Fresno CA
>
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>
>
- Rich..., 805.386.3734, www.vcnet.com/measures.
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