Buchla 291 and Serge VCF
2001-06-04 by Fahl, Romeo
From: "Sebastian Kuehnl" <skuehnl@y...
</group/SergeModular/post?protectID=0612020440560421161382181641402440630780
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Date: Fri Jun 1, 2001 10:01 pm
Subject: Re: [SergeModular] Variable Bandwidth VCF
Sebastian,
I must have made a mistake. I don't have any close up shots of the Buchla
291 panel. I based my assumption that this VCF doesn't have a resonance
control on the schematic, which seems to indicate that there is a resonance
trimpot, but makes no mention of a front panel control.
Romeo
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Hi Romeo,
</group/SergeModular/post?protectID=0612020440560421161382181641402440630780
48015189>>
Date: Fri Jun 1, 2001 10:01 pm
Subject: Re: [SergeModular] Variable Bandwidth VCF
Sebastian,
I must have made a mistake. I don't have any close up shots of the Buchla
291 panel. I based my assumption that this VCF doesn't have a resonance
control on the schematic, which seems to indicate that there is a resonance
trimpot, but makes no mention of a front panel control.
Romeo
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Hi Romeo,
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----- Original Message -----
From: "Fahl, Romeo" <8brain@s...
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To: <SergeModular@yahoogroups.com
</group/SergeModular/post?protectID=2460560911080560781122232280641470121361
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Sent: Friday, June 01, 2001 11:42 PM
Subject: [SergeModular] Variable Bandwidth VCF
: Hello SMOGers,
:
: Got a question about the Serge variable BW filter. I noticed that there
is
: no resonance control on this filter (same as on its predecessor, the
Buchla
: 291 VCF). Is there no need for that since you can sweep the bandwidth?
I'm
: assuming that sweeping resonance has a similar effect as sweeping
resonance,
: but can someone clarify that for me?
: Seeing filters without resonance controls makes me nervous.
:
: Romeo
:
The Buchla 291 dual variable bandwidth filter is resonant. It is a vactrol
design by the way just like the 292 lowpass gate and other 200 series
modules.
Sebastian Kuehnl
:
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: Keep on Patchin'!
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