[78-L] NULLING VERTICAL COMPONENT - was: stereo/mono and noisereduction

David London jusmee123 at gmail.com
Mon Nov 7 21:04:31 PST 2011


I see.  In practice however, it seems to work well enough.  At most I think
loading on a cartridge might alter the response curve, but that takes us
back to EQ discussions :)

On Tue, Nov 8, 2011 at 1:39 PM, Mark Durenberger <Mark4 at durenberger.com>wrote:

> I suspect that each channel output likes to be loaded a certain way ('in
> the
> day' ISTR most of us used a 47K resistor at the input to the preamp).  It's
> entirely possible that with some types of cartridges, the load on one
> channel presented by direct connection to the other channel may not be an
> ideal load.
>
> It's not unlike tying two solid-state amplifier outputs together without a
> build-out network.  The amplifier may want an 8-ohm load...but the low
> source impedance of the other channel may act almost like a short.
>
> Regards,
>
> Mark Durenberger
>
> --------------------------------------------------
> From: "David London" <jusmee123 at gmail.com>
> Sent: Monday, November 07, 2011 9:05 PM
> To: "78-L Mail List" <78-l at klickitat.78online.com>
> Subject: Re: [78-L] NULLING VERTICAL COMPONENT - was: stereo/mono and
> noisereduction
>
> > Curious as to why you see it as a problem?  It is done quite a lot.
> >
> > On Tue, Nov 8, 2011 at 12:18 PM, Mark Durenberger
> > <Mark4 at durenberger.com>wrote:
> >
> >> Uhhmm...I'm not sure it's good to jumper most cartridge outputs
> together.
> >>
> >>
> >>
> > _______________________________________________
> > 78-L mailing list
> > 78-L at klickitat.78online.com
> > http://klickitat.78online.com/mailman/listinfo/78-l
> >
>
> _______________________________________________
> 78-L mailing list
> 78-L at klickitat.78online.com
> http://klickitat.78online.com/mailman/listinfo/78-l
>


More information about the 78-L mailing list