Thanks for the recent replies, I'll try and respond to each Below:
Originally Posted by Macca: That sounds like the amp. If the hum is always the same level regardless of the volume it is the transformer. If that's the case you'll need a new amplifier, repairing it won't be cost effective unless you can do it yourself.
I can hear the hum from halfway up on the volume dial. It does get a bit louder as the volume goes higher, but it stays the same tone and never gets very loud.
Originally Posted by Macca: Alongside the phono cables running out of the TT you should have an earth lead. That needs to be connected to the phono stage. If it is already connected try disconnecting it.
I disconnected the ground wire and the volume was the same, but the "click" when the tonearm moved to the record was much louder through the speakers.
Originally Posted by Two Tone: Sounds like an earth issue, try moving the phono stages away from the amp or TT or TV etc.
Because of the short ground wire, I can't move the preamp very far from the amp or TT, but it's not resting on either of them.
Phone stage may be picking up noise. Try moving it by extending the earth. Also try moving other wires behind like interconnects away from mains cables and everything away fro
Phono
Regards,
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It's noisy on CD too though Grant.
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Turned off fridge, electric cooker, immersion heater and TV / Sound bar. No change. I have only been in this house 18 months (and it's bigger than my last place) and I'm fairly sure the buzzing was happening there too. But if it is a gound loop (I think that's what it's called), I can't find it.
Try disconnecting all the sources from your amplifier, and then see if the hum is still there regardless of which source is chosen on the amp.
Barry