[sdiy] Thomas Henry XR-2206 VCO Page Up

Scott Stites scottnoanh at peoplepc.com
Fri Jun 30 00:12:06 CEST 2006


Nope, just the four op amps listed is all we tried.

-----Original Message-----
>From: anthony <aankrom at bluemarble.net>
>Sent: Jun 29, 2006 4:51 PM
>To: Scott Stites <scottnoanh at peoplepc.com>, SDIY <synth-diy at dropmix.xs4all.nl>
>Subject: Re: [sdiy] Thomas Henry XR-2206 VCO Page Up
>
>> The TL072 flat just would not move things very far at all (perplexing to 
>> me), and the TL052 would work for the most part, but at a certain 
>> interval, would also start oscillating, which is equally perplexing.  The 
>> LF442 worked just fine, and we really didn't go beyond that in trying 
>> different op amps out.
>
>Did you try a slower FET amp like a TL032? I used one in an envelope filter 
>and it's an awesome amp for audio stuff.
>
>> Come to find out, the selection of dual op amps I have around here is 
>> pretty abysmal, a situation I need to correct.  I have a whole spectrum of 
>> singles, but have somehow neglected to stock up on a good variety of 
>> duals.
>>
>> Take care,
>> Scott
>
>aa 
>
>


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