[sdiy] Digital Noise, FYI

[Donald Tillman]

...and I think we all know what Harry means by "Thumpa Thumpa Box".

With twin-tee oscillators?  Yeah.

Okay, I'll stop.  :-)

  -- Don



On Feb 17, 2011, at 11:22 AM, Donald Tillman wrote:

> Heck, he used the phrase "industrial tranny". 
> 
> 
> On Feb 17, 2011, at 7:50 AM, Chromatest J. Pantsmaker wrote:
> 
>> Did you just use the words "Trannies" and "Blow" in the same sentence?
>> 
>> On Thu, Feb 17, 2011 at 7:30 AM, Harry Bissell <harrybissell at wowway.com> wrote:
>>> My first electronic drum machine was a "Thumpa Thumpa Box" from Popular Electronics...
>>> twin-tee oscillators and a unijunction based divider chain. Whenever the furnace would start,
>>> the noise pulse might make the next beat early (if the divider was near the trip point)
>>> 
>>> Very much like a real drummer, and good for practice in error-recovery for live performance.
>>> 
>>> As Unijunctions were used commercially, there were some really premium units available to me...
>>> I changed to an industrial tranny and the tempo rate was adjustable over a truly outrageous range...
>>> maybe 10-300bpm :^)
>>> 
>>> If I had those trannies today I'd make a VCO that would blow (old) Moogs out of the water...
> 
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--
Don Tillman
Palo Alto, California
don at till.com
http://www.till.com