[Amps] Building an Amp 101

[Bill]

On 01/17/2014 09:51 AM, Mike Waters wrote:
> The output loading capacitor only has to handle about 300 volts.
Not so. Capacitors arc at the peak voltage, not the RMS, and with 1500 
watts into 1:1 SWR at 50 ohms the peak is approximately 390 volts. Mix 
in a high  SWR and you are asking for trouble. IMO a load cap for a 1500 
watt amp should be rated at least 1000 volts and even that is a little 
iffy.  What he has looks like an ordinary broadcast band  cap.

Similar comments on the bandswitch.

73, Bill W6WRT