Deleted
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Post by Deleted on May 16, 2022 10:15:22 GMT
What cables are you using it with? Do you have another input on the amp you can try?
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Post by antonio on May 16, 2022 15:29:13 GMT
edward Thank you for that Edward, I'm busy now for the next few days and highly unlikely to be able to spend time doing this but I will reply back asap. @cagey I have two inputs on the amp and have tried them both, thanks Kevin.
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Deleted
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Post by Deleted on May 16, 2022 18:07:59 GMT
But what cables are you using?
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Post by jandl100 on May 16, 2022 20:06:05 GMT
Hum.
Smoking valve amps.
Have you considered taking up fishing or stamp collecting instead?
Just kidding.
Good luck with it all.
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Post by sq225917 on May 16, 2022 21:18:10 GMT
Audio mods arm on a lenco, chances are strong that there's continuity between arm, chassis and mains power, unless you have a wood atm board. So that gnd on the tonearm has to go back to the mains with the tt psu, not the phono. If you have a metal bodied cart on it too that need intervention also.
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Post by antonio on May 17, 2022 5:06:19 GMT
Here's a photo of the armboard, wooden, and I use a Lyra Helikon MC cartridge @cagey Cables used I assume are from Audiomods, they have KLE RCA plugs fitted and silver cable interconnects purchased from AliE, made up by our very own Bigman  |
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Deleted
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Post by Deleted on May 17, 2022 11:00:46 GMT
So potentially they have an open shield?
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Post by stryder5 on May 17, 2022 14:02:48 GMT
This may have been asked already, but how is the tonearm earthed given it’s wooden base?
Gary
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Bigman80
Grandmaster
The HiFi Bear/Audioaddicts/Bigbottle Owner
Posts: 16,400
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Post by Bigman80 on May 17, 2022 14:35:08 GMT
This may have been asked already, but how is the tonearm earthed given it’s wooden base? Gary If it's an audiomods, I think it will have the ground running through the left RCAs ground. It's the way Rega do theirs, and has been a big pain in the arse for a long time. |
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Post by antonio on May 17, 2022 16:48:54 GMT
This may have been asked already, but how is the tonearm earthed given it’s wooden base? Gary Do you want me to ask Ant at BTE, in fact I think I'll send him a message  |
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Post by sq225917 on May 17, 2022 19:19:58 GMT
If the arm is earthed by a cart tag that could be an issue with a metal bodied cart and the arm acting as an aerial for rf from the motor.
Given the wood chassis as long as theres no wire from arm to chassis it should be a simple fix.
A few wires with Croc clips are your best friend here.
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Post by antonio on May 18, 2022 4:48:44 GMT
I did get the slightest of hum with my previous NVA Phono 2, but had to turn the volume way up to hear it.
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