RE: [AH] Prophet kludged chip

From Lorne Hammond
Sent Mon, Apr 8th 2019, 15:58

What a remarkable and helpful website. NIKOLAUS RIEHM thank you. I suspect
the detail reflects the quality of his work.
Lorne

-----Original Message-----
From: Peter Forrest <xxxxxxxx@xxxxx.xx.xx> 
Sent: April-07-19 3:00 PM
To: xxxxxxxx@xxxxxxxxx.xxx
Subject: RE: [AH] Prophet kludged chip

Yes - found a pic online - thanks!!
http://studiorepair.com/gallery/Sequential_Circuits/Prophet-5/slides/SCI_Pro
phet-5_SSM2030_VCO__STUDIOREPAIR_09050701_1002051858.html

-----Original Message-----
From: gm [mailto:xxxxxxxxxxxx@xxxxx.xxx]
Sent: 07 April 2019 23:00
To: xxxxxxxx@xxxxxxxxx.xxx
Subject: Re: [AH] Prophet kludged chip

Sounds like maybe SSM2030 VCO chips, with 1K tempco plus 121 ohm resistors
epoxied to body.
Pictures?
~GMM

On 4/7/2019 2:50 PM, Peter Forrest wrote:
>
> I had a nice delivery of stuff from Genesis today to auction.
>
> One of the items is a case of chips mainly relating to Sequential.
>
> There are some 'kludged' chips, 16-pin DIL with components
> (resistors?) epoxied to the top, connectinr pin 2 to pin 13.
>
> I remember hearing about it but I just can't remember the story behind 
> that.
>
> Anyone help me out?
>
> Peter
>


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