LM4250 VCF from BLCLONES on Vimeo. via this auction
"This demonstrates a line Level audio signal going throught the filter. When the Burble switch is activated it produces fuzzlike tone.
The audio sync is a bit off from the video, but you get the idea."
LM4250 VCF DEMO 2 from BLCLONES on Vimeo.
"This demo shows you what the new found "burble" hack switch does and how it drops Acid in your signal."
via this auction
"These are the inputs:
(1) CV
(1) FM bipolar CV
(2) Audio In (Ain)
These are the Outputs.
(1) FIlter out BP
(1) Filter out LP
(1) White Noise
(1) Pink Noise
Switches:
(2) Rez Hacks: one switch lowers the Rez Notch, the other boosts the rez Notch.
(1) Burble switch: this switch drops Acid on your signal. All of a sudden it is bright and bubbles when you sweep into lower frequencies. But it is not like you think. Circles become Squares..
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Now for the hard Facts: The pre-amp section was intended for VCO analog synth Signals, It sounds very clean with these signals because these levels are usually Beefy and Big.
It can however amplify Line level by x100. But by cranking it up all the way you will hear slight distortion and a little Noise. This also applies to Guitars/bass. In other words this is not a crystal clear Pre-amp when cranked up x100 gain.
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These notes are for Modular synth owners and DIY'ers:
If you are brainstorming about ditching the Red wood box and possibly Modular Panel racking, Yes it is possible. The Lexan panel happens to be a MOTM 2U dimension. There is a location to solder a Motm style power connector also. There is an onboard power supply with a detachable AC power jack. That is removable (the jack). No other de-soldering of the power supply is required. There is an onboard trimmer to fix the Cutoff range to your liking. This is a hybrid designed pcb. It can be self powered or externally powered."
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