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<DIV><FONT face=Arial size=2>Hello, Couple of questions and comments. Does
anyone have or could point me to plans for a simple audio mixer. My DAW is
growing now to about 6 PC's and 8 midi synths plus I plan to build a synth or 2
or 3 in the somewhat near future. I don't want filtering and I don't think I
need volume pots since all of the devices can be controlled by midi. I just need
a stereo mixer for monitoring with a 2nd buss to send to a PC sound card
for recording. Way back in the mid seventies was a TV show that aired Friday
nights called the Midnight Special it featured performances of the pop groups
popular at the time. One Friday I was watching it with my cousin and he noted
"Oh that's a synthesizer" "What's a synthesizer?" I asked "Any sound that
doesn't sound like the instruments you see" he replied. And there lit a little
fire in my mind. Later that year I start junior high and my homeroom was in the
library, where I happened upon Radio Electronics magazine's articles about
building the PAIA 2700. so I think(maybe) the first synth I going to build
is going to be the "Scary 2700" (VCO,Noise,VCBPF,VCLPF,VCA,Glide,LFO,ADSR,AR) My
idea (Scary) is to have at the input of each filter 6 VCA's summed
together(Ramp,Triangle,Pulse-from the VCO,Noise,Feedback from the filter,and the
output of the other filter)and at the input of the finale VCA- 6
VCA's(Ramp,Triangle,Pulse-from the VCO,Noise,VCBPF out,VCLPF out)---maybe not,
but I like the idea of using multiple VCA's for wave shaping. Next question.
Does anyone have any good CV mixer schematics (scaling,inverting etc.). Also,
has any one played with the ASM 1 VCO can it be tuned down to be a VCLFO?
Any plans to put up a web page or ftp site to exchange schematics,PCB
artwork,Etc.. I have a dozen or so issues of POLYPHONY that I would be
willing to scan and post (providing it doesn't step on anyone's Copyright
toes.)</FONT></DIV>
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