Recent content by harnfield

On assumption that these motors either work or don't, and mine do appear to turn, knowing that the Atlas power supply is working, then it is down to the bearing. David Knowles (son of the inventor of the Sonata) informed me that speed can depend on the oil. Ordinary car motor oil was used (ie...

The bearing looks normal, in that the phosphor-bronze sphere is still glued to the tip of the bearing pin, and there is oil.

Update long overdue, sorry: Have fitted 4 pin 240 degree DIN plug and socket to the 'new' Atlas & 'new' Sonata. Then tried both Atlas power supplies on the 'old' Sonata. Both Atlas seemed to behave the same, with the platter running between 0 to 0.3% slow - which is OK by me. Next, looked at...

Thanks a lot for your input. I have another Sonata which has seen better days - when I bought it, someone had glued a plastic mat on top and it was missing the puck! (Fortunately one turned up on eBay.) The Atlas looked like it had been kicked around. Then I managed to visit Mike Knowles the...

Bought off eBay for personal use, will go to collect this week Apparently it runs slowwww, possibly because of ageing components in the Atlas power supply? I plan to inspect for burnt components, but likely all will seem normal. Probably worth changing electrolytic capacitors whatever. I...

Max Townshend is very approachable in my experience and I visited him twice. Although Townshend Audio stopped selling turntables, he might answer your query. Perhaps he didn't design this circuit himself, but maybe he did. Max's phone number at the factory: 020 8979 3787