[Amps] Why does power output increase?

[Alek Petkovic]

On my YC156 amp, I have a pair of chokes, going from the heater 
connections to banana sockets, with bypass caps, on the rear panel. 
Makes it simple to measure the voltage at any time.

73, Alek, VK6APK

On 6/06/2022 12:19 am, Victor Rosenthal 4X6GP wrote:
> Good idea.
>
> 73,
> Victor, 4X6GP
> Rehovot, Israel
> CWops #5
> Formerly K2VCO
> https://www.qsl.net/k2vco/
> On 05/06/2022 18:41, Steve wrote:
>> Tack a 10k resistor to each filament pin, 10nF decoupling between the 
>> loose ends then twisted pair out to your DVM. Should filter out the 
>> rf and you don't have to worry about shorting the wires together.
>>
>> Steve G8GSQ
>>
>>> I did measure the voltage at the tube pins. I haven't measured it 
>>> while transmitting, because the RF drives my meter crazy. I assume 
>>> the voltage drops a bit. Unfortunately I no longer have my trusty 
>>> analog voltmeter. I wish I did.
>>>
>>>
>>> I'll measure the line voltage. But the only thing I can think of 
>>> that would cause that to increase after long transmissions would be 
>>> if the breaker on the line heated up and lost resistance. I have 
>>> never heard of that!
>>>
>>>
>>> 73,
>>> Victor, 4X6GP
>>> Rehovot, Israel
>>> CWops #5
>>> Formerly K2VCO
>>> https://www.qsl.net/k2vco/
>>
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