2 channel amp with signal sensing

Stereo Steve

Novice Member
I'm after a 2 channel amp like the Arcam P80 and it must have auto signal sensing as it will be for the rear channels and I don't want it on all the time, only when surround is in use.

Any alternatives?


Sonance make a few amps with this feature.

Paul Smith

Well-known Member
Harman Kardon Signature series stereo amps also had auto standby,
They're not made anymore, so only available 2nd hand, but are Nice amps:).

I've still got a few of them, although I don't use the standby feature anymore:rolleyes:.



Active Member
other alternatives are cyrus Linkpower (or its predecessor the xpa which is only available 2nd hand).

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