Re: tube amp blows fuse

in article o7kfe11k4raf2gv2qpnf153dsqj8udiavo@xxxxxxx, Sander deWaal at
nospam@xxxxxxxxxx wrote on 7/27/05 2:29 PM:

> effi@xxxxxxx said:
>
>> if the 6ca4 is the only tube plugged in the fuse blows immediately when
>> the unit is turned on
>
>
> It is possible that the 6CA4 (EZ81) developed a short between
> electrodes, presumably the heater and one of the anodes.
> You can replace the tube, or use 2 1N4007 silicon diodes with series
> resistors of about 47 ohm/5 watts instead.
>
> I suspect the supply caps will be OK, since the fuse blows
> immediately. If they weren't, the fuse would only blow after warming
> up of the 6CA4.


Your reasoning is correct; mine was not. Mea culpa!

Jon

.

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