[sdiy] intro to SDIY playshop: suggestions?

[Jim Patchell]

Hey...I liked the sound of the old Paia 2720 series VC bandpass filter. 
  It didn't have much tuning range...but, hey, it sounded...sorta nice. 
  Sometimes I keep thining I should build up some more of them...but 
then...well, maybe I do have better things to do with my life... ;^)

-Jim

harrybissell at wowway.com wrote:
> I'd suggest the PAiA 2720 series bandpass VCF
> 
> Its a simple design (two transistor Twin-tee) and it
> works OK for as simple as it is...
> 
> H^) harry
> 
> 
> n Mon, 21 Jul 2008 10:49:35 -0400, rdrake wrote
>> i've been facilitating (i hesitate to say "teaching") a workshop in 
>> musical/noize electronics, based primarily on Nic Collins' fantastic 
>> "Handmade Electronic Music" book.  most of the participants started 
>> with zero technical knowledge.  so far they've learned some 
>> soldering, basic components & schematics, circuit bending, 
>> solderless breadboards, and built a contact mic, LM386 amp, and a 
>> variety of CMOS oscillators (40106, 4093).  really has been a ton of 
>> fun, and very gratifying to see folks pick up on stuff.
>>
>> now that we have some sound sources, i'd like to introduce some 
>> kinds of sound modifying circuits... in part to quiet that infernal 
>> beeping din.  homemade 'vactrol' kinds of things being the obvious 
>> choice.  thought i'd ask for suggestions, for VCA, VCF, or other 
>> such?  requirements are to be dead simple, fault-tolerent, non-
>> critical component values... and my preference would be to stick 
>> with single-sided supply, everything so far has been 9v.
>>
>> just for context: folks goals are to get a general pragmatic 
>> orientation to electronics (not intro EE, just enuf to make stuff 
>> work), and to make noize (not necessarily "music"--beeping is fine,
>>  tuning is optional).  i showed a reverb made out of a slinky glued 
>> to a speaker on one end and a piezo on the other, met with 
>> widespread approval)...
>>
>> anyway, would welcome suggestions.
>>
>> bbob
>> www.fluxmonkey.com
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> 
> 
> Harry Bissell & Nora Abdullah 4eva
> 
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