[sdiy] Jacob's ladder filter of death

[Oren Leavitt]

No need for patch cords either! Jacobs Ladder modules placed near one 
another will connect wirelessly. ;)

- Oren

On 8/5/22 10:19 AM, Richie Burnett wrote:
> Ooh, the negative-resistance of the arc is sure to impart some tasty distortion!!! ;-)
>
> Health and safety implications probably don't bare thinking about though!
>
> -Richie,
>
>
>
> Sent from my Xperia SP on O2
>
> ---- monika park wrote ----
>
>> The world needs this for sure! " The Jacobs Ladder Filter, using tube diodes and arc distance to control cutoff frequency"
>>
>> -----Original Message-----
>> From: Synth-diy <synth-diy-bounces at synth-diy.org> On Behalf Of Benjamin Tremblay via Synth-diy
>> Sent: Friday, August 5, 2022 9:21 AM
>> To: Synth-diy at synth-diy.org
>> Subject: Re: [sdiy] PAiA Gnome Repair
>>
>> In particular I’m thinking about the Drummer Boy. Man that thing looked like it was from Rotwang’s laboratory. Just need a Jacobs Ladder somewhere in there.
>> (So that’s what I want to invent: The Jacobs Ladder Filter, using tube diodes and arc distance to control cutoff frequency.)
>>
>> PAiA’s original ideas of a drum synth were harsh. The “Drum Tone Module” board has a much more subtle sound, suitable for children and the elderly.
>>
>>
>>
>>> On Aug 5, 2022, at 9:08 AM, Benjamin Tremblay <btremblay at me.com> wrote:
>>>
>>> Some of videos I have seen of early PAiA products show devices with a Soviet-style aesthetic: Big flat-head screws holding down chunky switches rated for 600v. Banana jacks and RCA plugs used randomly.
>>> We live in a very different age when Juanito Moore can make advanced, high quality modules in tuna cans because Ali express can sell you all the parts you need for less than a pizza and some beers. Back in 1977 I was a ten year old boy who desperately wanted to build and control his own real, life-sized oscillator and generate “a variety of pleasing musical sound effects” and one transistor set me back. At that time a PAiA kit was a bulk discount on parts. But no, I could never afford to buy anything over $50.
>>>
>>> Benjamin Tremblay
>>>
>>>> On Aug 5, 2022, at 8:54 AM, Gordonjcp <gordonjcp at gjcp.net> wrote:
>>>>
>>>> On Thu, Aug 04, 2022 at 05:39:55PM -0400, Michael E Caloroso via Synth-diy wrote:
>>>>> PAiA products are not destined for long life.  None of my PAiA
>>>>> modules exist because one by one they stopped working.  Due to
>>>>> priorities they landed dead last on the workbench to-do list.  They
>>>>> finally got discarded after floodwaters hit my rental house.
>>>> And yet none of them use any "exotic" components, and they all have full circuit diagrams.
>>>>
>>>> I built quite a lot of Paia-alike stuff from photocopied diagrams in the 1980s when I was at school, because I couldn't afford to buy fancy components but could scavenge as many broken video recorders as I could haul away from the local TV shop's skip.
>>>>
>>>> --
>>>> Gordonjcp
>>>>
>>>> _______________________________________________
>>>> Synth-diy mailing list
>>>> Synth-diy at synth-diy.org
>>>> http://synth-diy.org/mailman/listinfo/synth-diy
>>>> Selling or trading? Use marketplace at synth-diy.org
>>
>> _______________________________________________
>> Synth-diy mailing list
>> Synth-diy at synth-diy.org
>> http://synth-diy.org/mailman/listinfo/synth-diy
>> Selling or trading? Use marketplace at synth-diy.org
>>
>> _______________________________________________
>> Synth-diy mailing list
>> Synth-diy at synth-diy.org
>> http://synth-diy.org/mailman/listinfo/synth-diy
>> Selling or trading? Use marketplace at synth-diy.org
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at synth-diy.org
> http://synth-diy.org/mailman/listinfo/synth-diy
> Selling or trading? Use marketplace at synth-diy.org