See ebay auction #190488700563 to obtain a copy (I'm not in any way connected to this auction, just
did a quick search and found it). Would be great if this article was scanned and put online
somewhere. Highly doubt whomever owns the rights now would come after you for this ancient
niche-interest piece of information.
-- Tom Fine
----- Original Message -----
From: "Jon" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, January 20, 2011 2:23 PM
Subject: Re: [ARSCLIST] Technics apparently really has discontinued their turntables
> I'm basing my mods on an article I found in 1982 (Popular Electronics,
> April 1982, pp. 77-9). It describes how to mod the 45 speed control
> circuit on a Technics SL-D1. Any good audiophile forum site will mention
> similar mods.
> Basically, the mod changes the resistance in the control circuit that
> generates the reference frequency. A circuit diagram for your SL-5200
> will be very helpful and the layout of the circuit board may affect your
> choices. If you throw in a switch, you can play your 45s and your 78s.
> Jon Ruth
> Kent, Ohio
> On 20 Jan 2011 at 10:25, Steve Wertheim wrote:
>> I saw your note about modifying your SL-1700 to play 78s. I have a
>> SL-5200 that I bought circa 1977 that still works perfectly well.
>> It's got the quartz-lock control with the speed adjust option of +/-
>> 33% but only supports 33/45. I have a number of 78s that I would
>> like to transcribe and would prefer to use my Technics with a good
>> ceramic needle as opposed to most of the junk that's on the market
>> today. Can you advise on how you're doing the modification?