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I have a Sun Audio 2A3 SET amp, it sound great. I took the tubes out to clean the dust on the amp, when I put the tubes back, (I think I made a mistake, the 2A3 tube has 4 pins, and I forgot it can goes into the sucket any which way, well at least mine is)
I turn the power on...no sound at all, I checked all connection, it take about three minutes before I notice the 2A3 tubes wasn't lite up, and still cold. I turned it off, correct the 2A3 insert into the sucket, then power it on again. But this time I can hear a borkened and distored sound, it plays soft, also the 2A3 tubes are still not lited and still cold.
Did I burned my power transformer or power supply? The 5U4 and 2 6SN7 are all fire up and glowing. I open the bottom plate, I didn't see any burned component, wire or smell any burn...
Can you guys help me? Your experience feedback will be highly appreciated.
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