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Trace Elliot 1215 Hum on output
Hi, I'm a freelance service engineer, I have an amp that has stumped me!
It's a Trace Elliot 1215 12ch EQ Amp
The Fault is a mains hum on the output. with all gains down and nothing on the inputs I get a noticeable hum on the output.
I've replaced the caps and rectifiers in the power supply but this hasnt fixed it. If I remove the mains transformer from the case and turn it on the hum disappears.
Can anyone help with this or has anyone had similar problems and managed to get it resolved?
Darren
It's a Trace Elliot 1215 12ch EQ Amp
The Fault is a mains hum on the output. with all gains down and nothing on the inputs I get a noticeable hum on the output.
I've replaced the caps and rectifiers in the power supply but this hasnt fixed it. If I remove the mains transformer from the case and turn it on the hum disappears.
Can anyone help with this or has anyone had similar problems and managed to get it resolved?
Darren