[78-L] Fw: styluses/ NOW Mono Switches

[simmonssomer]

That brings up a good point. Does anyone know of any receivers or pre-amps 
currently being made boasting a mono switch?

Al Simmons

----- Original Message ----- 
From: "David Lennick" <dlennick at sympatico.ca>
To: "78-L Mail List" <78-l at klickitat.78online.com>
Sent: Monday, April 27, 2009 11:24 AM
Subject: Re: [78-L] Fw: styluses


You don't even need to go that far. If you're playing it in stereo, press 
the
mono button..if audio disappears and you have only surface noise, the disc 
is a
vertical cut.

dl

Iñigo Cubillo wrote:
> It could well be the hill and dale system, or maybe it's as simple as a 
> very wide lateral groove. In Spain some old Odeons have it so wide that a 
> standard 2.7mil stylus gets lost into the groove bottom, sliding from side 
> to side, and producing a big noise and a very faint signal.
>
> To test if it's a vertical groove: you need a stereo cartridge. Are you 
> using one, I suppose  ??? Then take the stereo cartridge out from the arm, 
> and revert the polarity of ONE of the channels; replace cartridge in the 
> arm, and select MONO in the amp, mixing the two channels. Thus, the 
> cartridge will now emit vertical component only.
>
> Iñigo Cubillo
> __________________________________
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