[Amps] Alternative cooling strategies for SB-220?
Dave White
mausoptik at btinternet.com
Thu Dec 17 12:16:34 PST 2009
Wow, an amp that brews tea. I like the idea. If I build with two tubes do I get a choice of assam or darjeeling?
D
-----Original Message-----
From: donroden at hiwaay.net
To: "Dave White" <mausoptik at btinternet.com>
Cc: amps at contesting.com
Sent: 16/12/2009 23:58
Subject: RE: [Amps] Alternative cooling strategies for SB-220?
Add a spigot to the return line for morning coffee or afternoon tea.
Don WA4NPL
Quoting "Dave White" <mausoptik at btinternet.com>:
> Or build something with a water cooled tube. Or even a vapour phase
> cooled tube as per the 'Stanley Steamer' in the old Eimac bulletin.
> The latter using the latent heat of evaporation is the most
> effective cooling method of the lot
>
> Cheers
> Dave G0OIL
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