[sdiy] a question for the experts

Michael Schulze mschulze at du.edu
Wed Apr 14 02:13:52 CEST 2004


Oh my god - Nine Bucks each for the tempcos.  I think I'm gonna just  
have to buy 100 at $1 each from the manufacturer!

Michael Schulze
Instructor of Audio Production and Electronic Music
Denver University
Lamont School of Music
2344 E. Iliff Ave.
Denver, CO 80208
303-871-6984
On Apr 13, 2004, at 8:04 PM, Scott Stites wrote:

> Even though you asked the experts, I thought I'd still chip in =-D.
>
> I had pretty good luck using the 2SA798 dual matched PNP's in the  
> Buchla
> Voltage Controlled Integrator in place of the AD part.  They used to  
> be 29
> cents and have since gone to 39 cents apiece, which is still a great  
> price
> at Electronics Surplus.
>
> Watch the wrap on the link.
>
> https://www.electronicsurplus.com/commerce/catalog/srhkeyword.cz; 
> jsessionid=
> 4239FF5DBAAF2B6BB393FA6CE488C12C
>
> Midwest Analog has the 2K tempcos:
>
> http://www.midwest-analog.com/
>
> A bit pricey, but the 'real deal'.
>
> Cheers,
> Scott
>
>
> ----- Original Message -----
> From: "Michael Schulze" <mschulze at du.edu>
> To: <synth-diy at dropmix.xs4all.nl>
> Sent: Tuesday, April 13, 2004 3:02 PM
> Subject: [sdiy] a question for the experts
>
>
>> Can someone recommend a readily available replacement for the AD821
>> transistor pair in the EN#37 SVF?
>>
>> Also - who's holding tempco resistors?  I need some 2k's!
>>
>> Michael Schulze
>> Instructor of Audio Production and Electronic Music
>> University of Denver
>> Lamont School of Music
>> 2344 E. Iliff Ave.
>> Denver, CO 80208
>> 303-871-6984
>>
>



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