Marantz PM-30 Amp

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MusicMan_ZA

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Cape Town
I need some advice regarding this amp: The amp sounds great, when it is playing. However, every now and then it "cuts out" for about 3 seconds, then comes on again and keeps playing. The power (red light) stays on when this happens.

1. it happens with different speakers and speaker cables.
2. it happens with different inputs (CD, Aux, Phono).
3. It happens at various volume levels, from 9 o' clock to 2 0' clock (I haven't gone past that).
4. Often, when it happens I can hear a clicking / switching sound, like a relay opening/closing. I am not sure that I can hear this every time, though.
5. Sometimes it happens once, and then plays for 15 minutes before it happens again. AT other times it happens 3 times in 5 minutes.
6. It usually cuts out for about 3 seconds, but can be up to 4 or 5 seconds.

I would like to get this sorted out, and would like to know if there is anything I can do or try.
Alternatively, the name of a good amp guy in Cape Town & surrounds that can fix this for me without breaking the bank?

Much obliged,
Johan
 
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