[sdiy] Vactrols & Lopass Gates

[mark verbos]

probably. Have you seen all the different shapes of resistors he used on 
one board?!?!?

Mark



Jay wrote:
> A case of bargain surplus parts, perhaps?
> 
> 
> Peter Grenader wrote:
> 
>> Mark -
>>
>> Have a look at the Buchla's schematic B2420B.  It's the one from the CBS
>> system.  Note the switch symbol - two contacts -- dual switch.  The 
>> top one
>> shorts out the filter, the bottom one kills the feedback.  There is no
>> connection shown for a third center position.  The off (center) keeps the
>> filter going but kills the feedback thru the FET.  There is a marketable
>> sonic difference between the center and down (LP) positions.
>>
>> Try it with a standard double pole triple throw.
>>
>>
>> mark verbos wrote:
>>
>>
>>> The Buchla 292B uses a C&K 7211 On-ON-ON switch. I am sorry, but it's a
>>> fact. I have built them all as well. 
>>
>>
>>
>>
> 
>