Beyond water cooling. (Was Re: Peltier devices for cooling)

[KA4HJH]

>  > -is there a cheap way of shielding the room against hf in
>  > case of nearby AM senders?
>
>Faraday Cage ??? ;^)

That's what, um, that OT transgendered person did. Lined the entire 
studio with rat wire or something similar. Floor, ceiling, and walls. 
It worked, too.


>  > -dc lighting (12V)
>
>Only good if you are willing to use lots and lots of capacitors to 
>kill ripple, or else the diode commutation is actually worse than 
>the 120V zerocrossing (look at the shape of the FWB diode "notch"... 
>Tried this. I'd go with 120V lighting with enclosed fixtures, and 
>all wire in metallic conduit. If you must dim usew an 
>autotransformer (variac) outside the room.

Halogens in series?

Terry Bowman, KA4HJH
"The Mac Doctor"

ICQ: 45652354