[sdiy] NE570 source in the US?

[Benjamin Tremblay]

Found these application notes, much like the ones stapled to my compander ICs I bought at Radio Shack.
https://www.experimentalistsanonymous.com/diy/Datasheets/SA571%20AN.pdf <https://www.experimentalistsanonymous.com/diy/Datasheets/SA571%20AN.pdf>


> On Mar 24, 2023, at 10:24 AM, Oren Leavitt via Synth-diy <synth-diy at synth-diy.org> wrote:
> 
> I built a PAiA 6710 vocoder back in the day. Clever minimal design that used four NE570s 
> 
> 
> 
> On 3/24/23 8:48 AM, Benjamin Tremblay via Synth-diy wrote:
>> Oooh yes. https://synthcube.com/cart/rozendal-570-galore?search=570&description=true <https://synthcube.com/cart/rozendal-570-galore?search=570&description=true>
>> 
>> Huh. I see clones of the 571 here!
>> https://cabintechglobal.com/semi <https://cabintechglobal.com/semi>
>> 
>> 
>>> On Mar 24, 2023, at 9:44 AM, Sean Ellis <tensiontype at hotmail.com <mailto:tensiontype at hotmail.com>> wrote:
>>> 
>>> I'd like to build one if these, it really gets a lot out of the IC: https://modularaddict.com/module-type/waveshaper/570-galore-dynamics-processor-pcb-panel-timo-rozendal <https://modularaddict.com/module-type/waveshaper/570-galore-dynamics-processor-pcb-panel-timo-rozendal>
>>>  <https://modularaddict.com/module-type/waveshaper/570-galore-dynamics-processor-pcb-panel-timo-rozendal>	
>>> 570 Galore - Dynamics Processor PCB/Panel | Timo Rozendal <https://modularaddict.com/module-type/waveshaper/570-galore-dynamics-processor-pcb-panel-timo-rozendal>
>>> The 570 Gallore circuit was put together via Timo Rozendal with heavy influence from Thomas Henry's circuit literature.This is for a PCB/Panel in Eurorack Format
>>> modularaddict.com <http://modularaddict.com/>
>>> 
>>> From: Synth-diy <synth-diy-bounces at synth-diy.org <mailto:synth-diy-bounces at synth-diy.org>> on behalf of Benjamin Tremblay via Synth-diy <synth-diy at synth-diy.org <mailto:synth-diy at synth-diy.org>>
>>> Sent: Friday, 24 March 2023 2:23 PM
>>> To: David Moylan <dave at expeditionelectronics.com <mailto:dave at expeditionelectronics.com>>
>>> Cc: Synth-diy at synth-diy.org <mailto:Synth-diy at synth-diy.org> <Synth-diy at synth-diy.org <mailto:Synth-diy at synth-diy.org>>
>>> Subject: Re: [sdiy] NE570 source in the US?
>>>  
>>> I have a couple of 570s I ordered in 2016 and forgot about. Is there simple circuit schematic I can follow to stand them up for experiments? I remember fiddling with one in the 80s to make a noise gate for my Radio Shack bbd board.
>>> 
>>> Benjamin Tremblay
>>> 
>>> > On Mar 24, 2023, at 9:13 AM, David Moylan via Synth-diy <synth-diy at synth-diy.org <mailto:synth-diy at synth-diy.org>> wrote:
>>> > 
>>> > Isn't the 571 going away too?  They're out at Mouser.  Digikey still has stock, and that's only in surface mount.
>>> > 
>>> > 
>>> >> On 3/24/23 1:30 AM, Nathan Trites wrote:
>>> >> Does anyone know where I can buy 4 or so NE570 Compander ICs in the US? I know I can use 571 but figured I'd pick up a few if I could. Smallbear/Synthcube is out, Banzai has them but don't want them enough for international shipping.
>>> >> 
>>> >> Thanks,
>>> >> 
>>> >> Nathan
>>> >> 
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>>> > 
>>> > 
>>> > -- 
>>> > David Moylan
>>> > Expedition Electronics
>>> > sonic adventures!
>>> > 
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