On Tue, 29 Aug 2006 00:29:50 +0100, "Dave Plowman (News)"
wrote:

Strange - it's mainly hum which would suggest a ground problem,
although it would be nice if the clip included a bit before the stylus
was lowered. It's possible to get induced hum on the cartridge from the
turntable motor which doesn't show with the pickup on the rest.

Aren't you seeing the lf stuff?

Only listened to it on the computer speakers. The mains hum is the obvious
thing.

Ah. Look at it in a wave editor. There's HUGE amounts of lf rubbish.