[78-L] Double turntable turns 60 next week

[Martin Fisher]

What was the purpose of the two arms?  Different cartridges or styli for different groove dimensions or provisions for both lateral and vertical (or mono or stereo) formats?

Martin

-----Original Message-----
From: 78-l-bounces at klickitat.78online.com [mailto:78-l-bounces at klickitat.78online.com] On Behalf Of Michael Biel
Sent: Tuesday, March 20, 2012 8:56 PM
To: 78-L Mail List
Subject: Re: [78-L] Double turntable turns 60 next week



On 3/18/2012 7:19 PM, David Lennick wrote:
> On a live drama you'd often need two or three sound effects records 
> almost simultaneously, say if one was traffic, another was police 
> sirens and third was automobile crashes. And with two arms and one 
> record you could keep a continuous sound for an entire scene since 
> each arm had its own pot. The turntables also had variable speeds.
>
> dl

We used "sound trucks" with three continuously variable speed turntables with two arms on each table.  The thing in this video is a much smaller portable.

Mike Biel  mbiel at mbiel.com

>
> On 3/18/2012 7:03 PM, Kristjan Saag wrote:
>> What's the use of the third arm? Is it to able to add two sound 
>> effects from the same side simultanously while the music is played on 
>> the other disc?
>> Kristjan
>>
>>
>>
>> On 2012-03-18 23:48, David Lennick wrote:
>>> Looks like a variant on the Cocktail Bar, a device used by sound 
>>> effects men in radio. That had three turntables and arms that could 
>>> reach between each pair of platters.
>>>
>>> dl
>>>
>>> On 3/18/2012 6:21 PM, Michael Valentiner wrote:
>>>> http://www.youtube.com/watch?v=OYfkVFuigEI&feature
>>>>
>>>> ----------------------------------------------------
>>>> Michael Valentiner, Minneapolis, MN michael.valentiner at gmail.com
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