[78-L] Vertical cut records

[Ron Roscoe]

-----Original Message-----
From: 78-l-bounces at klickitat.78online.com [mailto:78-l-bounces at klickitat.78online.com] On Behalf Of Jeffrey Lichtman
Sent: Sunday, January 04, 2015 9:27 PM
To: 78-L Mail List
Subject: Re: [78-L] Vertical cut records

While most of the ideas presented here were good and correct, tying together the positive outputs for both channels [hot leads] would be correct for LATERAL records, not vertical.  For vertical, tie together one hot lead  from one channel with one ground/negative lead from the other channel, and have it NOT be the ground lead that has a copper strap from the ground or negative side to the case of the cartridge.  Use the negative side of the channel that is not strapped to ground. [Not the case in all cartridges.]

Ron Roscoe

"You can also jumper the outputs of a stereo cartridge to make it produce a mono output. Whether it works for lateral or vertical records depends on how you connect the jumpers. For vertical records you would tie together the positive outputs for both channels (typically white and red), and the grounds for both channels (typically green and blue).

By the way, there are 78 cartridges that are pre-wired for mono playback. None of these tricks will work with this type of cartridge."


On 1/4/2015 5:31 PM, Malcolm Rockwell wrote:
> Doesn't your amp have a mono switch that sums both channels? That should
> cut out a lot of the lateral component.
>
> *******
>
> On 1/4/2015 3:23 PM, Ken Matheson wrote:
>> I acquired 2 old 78s. They look very good, nice and shiny,
>> like they have not been played. One is a Pathe, No. 22227. . .
>>
>> Thanks
>> Ken

-- 
                        -        Jeff Lichtman
                                 jeff at swazoo.com
                                 Check out Swazoo Koolak Photography
                                     at http://swazoo.com/

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