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Cgs synth

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Re: Stero version of CGS 202 resonant eq

2013-04-01 by Loscha

If you wired up the two resistive elements across, say, a 9v battery,
and then hooked each of the sweeping legs across both channels of a
scope, you'd get a pretty accurate measurement of the two tapers.

/ErJ

On 4/2/13, adematteo <adematteo@...> wrote:
>
>
> Individual control over left and right may be the most economical way to go
> but i think i will order a hand full and do as you suggest to see just how
> off they are.
>
> Thanks Ken, all food for thought.
>
> --- In cgs_synth@yahoogroups.com, sasami@... wrote:
>>
>> Thoughts:
>>
>> You could make some "switched attenuators" instead of using pots -
>> basically
>> dual gang rotary switches with 1% resistors between each step. That of
>> course gets very expensive.
>>
>> You could buy a few pots and test them, and see how bad they really are.
>> Maybe you can pic the best.
>>
>> Maybe it would be better if each channel could be adjusted individually
>> anyway.
>>
>> Ken
>>
>> >Hey guys, I would like to build a stereo version of the res. eq.
>> >The idea would be to build a desktop box that i can run my master bus
>> > from
>> my mixer through.
>> >
>> >I was wondering if anyone could offer any practical advice as far as
>> getting close to the same response from both boards ?
>> >
>> >At first thought i was going to use dual gang pots but then have read
>> > the
>> tolerances between the 2 sections can be 10-20 % different.
>> >Do you guys know of any other affordable solutions ?
>> >
>> >I assumed to match all the caps in the filter sections.Other than that
>> > and
>> the pots i figured this should be doable for a reasonable cost but maybe
>> i'm
>> dreaming ?
>> >
>> >Thanks for any insight you guys can share.
>> >
>> >-Tony
>> >
>> >
>> >
>> >------------------------------------
>> >
>> >The CGS Modular Synth home page: http://www.cgs.synth.net/
>> >Yahoo! Groups Links
>> >
>> >
>> >
>> >
>> _______________________________________________________________________
>> Ken Stone sasami@... otherunicorn@...
>> Modular Synth PCBs for sale <http://www.cgs.synth.net/>
>> Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
>>
>
>
>


--
www.loscha.com

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