"lordy" wrote in message
...
On 2006-08-29, Trevor Wilson wrote:

"lordy" wrote in message
...
On 2006-08-29, Trevor Wilson wrote:

"Trevor Wilson" wrote in message
...

**OK, first mistake: The Debut is already fitted with a phono preamp.
It
can only be used with a line level input.

**Oh yeah. Make certain the MC/MM switch is correctly set.

Hi Trevor, after a bit of Googling, it looks like you have the "Phono
Speedbox"
edition ??

**I don't own one, I just fix 'em. All of the Debuts I see are fitted
with
an internal phono preamp.

Do they have speed controls too?

**No idea. I only test TTs at 33.33RPM, unless specifically directed to do
otherwise. I DID, however, fall into the trap of testing the Debut into a
phono preamp. Once. Are you absolutely certain yours does not have a
built-in phono preamp?


Anyhow it looks like there are different flavours from that web page.

I did a bit of experimenting, I removed the belt,
the noise only occurs when the motor is on and the needle is either
in the groove, or outside the groove and not moving tangentially/skating.

I then took a record I didnt care much for, put the stylus on it, and
lifted the record clear of the turntable. I still had the noise,
so I guess as you say its electrical problem and not mechanical.

Over in avforums some other people have mentioned this hum, but no
indepth feedback yet!

**Are you using the correct power supply?


--
Trevor Wilson
www.rageaudio.com.au



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