I had posted a while back about putting a bigger sized OT in in my Orange Rocker 30. I put a 50W Plexi style replacement OT and its now considerably louder than it was with the stock OT, which is much smaller physically.
So I was thinking more iron, better efficiency, louder and I am pretty sure that's close to accurate.
So, then I decided to measure the power out by calculating it from the plate to cathode voltage, cathode voltage, bias resistor. I double checked on Webers bias calculator and I was on the right track. With the new transformer I am running the tubes at 22W per tube at idle. So, I thought that was insane and I was going to kill those tubes so I put the stock OT back in and got the same exact result.
So, in its stock configuration is it 44W being throttled to 30ish watts of perceived output by the smaller OT?
I did some digging and found some info on the Matchless Chieftain and Bad Cat Hot Cat 30 and found they too are running the tubes that hot as well.
Am I missing something or are these amps destined to eat tubes???
So I was thinking more iron, better efficiency, louder and I am pretty sure that's close to accurate.
So, then I decided to measure the power out by calculating it from the plate to cathode voltage, cathode voltage, bias resistor. I double checked on Webers bias calculator and I was on the right track. With the new transformer I am running the tubes at 22W per tube at idle. So, I thought that was insane and I was going to kill those tubes so I put the stock OT back in and got the same exact result.
So, in its stock configuration is it 44W being throttled to 30ish watts of perceived output by the smaller OT?
I did some digging and found some info on the Matchless Chieftain and Bad Cat Hot Cat 30 and found they too are running the tubes that hot as well.
Am I missing something or are these amps destined to eat tubes???
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