[Amps] Need a dead 8877 Tube for layout/blower tests

[Boye Christensen]

Hi
The tube amp  I know that have a very low noise level was TEN TEC Titan 
with 2 x 3CX800 tubes
and also Heatkits SB220 with 2 x 3-500Z has low level, but not as low 
as  Titan.

73 Boye OZ7C

Den 12/07/2015 kl. 04:31 skrev Charlie:
> Hi All-
>
> I am doing a layout for a 8877 amp. I want to build a smallish form factor
> desktop unit using an existing "under the desk" power supply. One problem
> that I want to address in this design is blower noise. I hate noise!
>
> I have been successful in reducing fan noise in other situations. One test
> that I want to perform is using a 4" ducted fan. Such units can be had
> cheaper than conventional blowers, have controllable speed, and are smaller
> than a squirrel cage.
>
> I need a used up tube to place in a socket to run some tests. Anyone have a
> burnt up unit I could get?
>
> Any help appreciated!!
>
> Please contact me off line at Charlie (AT) drhabekost  (DOT) com
>
> 73 ,
>
> Charlie N6CFH
>
>
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