[sdiy] NE570 source in the US?

Tom Wiltshire tom at electricdruid.net
Sun Mar 26 11:04:16 CEST 2023


The Coolaudio clone, the V571, is available in DIP and still in current production.

Not sure where to get them now though. I used to have a pile, but I ran out.

Tom


> On 25 Mar 2023, at 16:31, Michael E Caloroso via Synth-diy <synth-diy at synth-diy.org> wrote:
> 
> The 57x compandors have not been available in DIP for a long time.
> 
> Mouser lists the part as "not available" which means obsolete no longer made.  If it were listed as "out of stock", there would be an entry for quantity and a note with lead time.
> 
> MC
> 
> On Fri, Mar 24, 2023 at 10:40 AM Benjamin Tremblay via Synth-diy <synth-diy at synth-diy.org <mailto:synth-diy at synth-diy.org>> wrote:
> 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 <mailto: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
>>>> >> 
>>>> >> _______________________________________________
>>>> >> Synth-diy mailing list
>>>> >> Synth-diy at synth-diy.org <mailto:Synth-diy at synth-diy.org>
>>>> >> https://apac01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fsynth-diy.org%2Fmailman%2Flistinfo%2Fsynth-diy&data=05%7C01%7C%7C9407016ec6b64d2f761d08db2c6b934d%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638152612782371480%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=UNStFrjXG%2F8tzYtQ%2F0cNHPRKkyWUCnmxHDQoKZYXzhY%3D&reserved=0 <https://apac01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fsynth-diy.org%2Fmailman%2Flistinfo%2Fsynth-diy&data=05%7C01%7C%7C9407016ec6b64d2f761d08db2c6b934d%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638152612782371480%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=UNStFrjXG%2F8tzYtQ%2F0cNHPRKkyWUCnmxHDQoKZYXzhY%3D&reserved=0>
>>>> >> Selling or trading? Use marketplace at synth-diy.org <mailto:marketplace at synth-diy.org>
>>>> > 
>>>> > 
>>>> > -- 
>>>> > David Moylan
>>>> > Expedition Electronics
>>>> > sonic adventures!
>>>> > 
>>>> > _______________________________________________
>>>> > Synth-diy mailing list
>>>> > Synth-diy at synth-diy.org <mailto:Synth-diy at synth-diy.org>
>>>> > https://apac01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fsynth-diy.org%2Fmailman%2Flistinfo%2Fsynth-diy&data=05%7C01%7C%7C9407016ec6b64d2f761d08db2c6b934d%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638152612782371480%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=UNStFrjXG%2F8tzYtQ%2F0cNHPRKkyWUCnmxHDQoKZYXzhY%3D&reserved=0 <https://apac01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fsynth-diy.org%2Fmailman%2Flistinfo%2Fsynth-diy&data=05%7C01%7C%7C9407016ec6b64d2f761d08db2c6b934d%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638152612782371480%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=UNStFrjXG%2F8tzYtQ%2F0cNHPRKkyWUCnmxHDQoKZYXzhY%3D&reserved=0>
>>>> > Selling or trading? Use marketplace at synth-diy.org <mailto:marketplace at synth-diy.org>
>>>> 
>>>> _______________________________________________
>>>> Synth-diy mailing list
>>>> Synth-diy at synth-diy.org <mailto:Synth-diy at synth-diy.org>
>>>> https://apac01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fsynth-diy.org%2Fmailman%2Flistinfo%2Fsynth-diy&data=05%7C01%7C%7C9407016ec6b64d2f761d08db2c6b934d%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638152612782371480%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=UNStFrjXG%2F8tzYtQ%2F0cNHPRKkyWUCnmxHDQoKZYXzhY%3D&reserved=0 <https://apac01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fsynth-diy.org%2Fmailman%2Flistinfo%2Fsynth-diy&data=05%7C01%7C%7C9407016ec6b64d2f761d08db2c6b934d%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638152612782371480%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=UNStFrjXG%2F8tzYtQ%2F0cNHPRKkyWUCnmxHDQoKZYXzhY%3D&reserved=0>
>>>> Selling or trading? Use marketplace at synth-diy.org <mailto:marketplace at synth-diy.org>
>>> 
>>> 
>>> _______________________________________________
>>> Synth-diy mailing list
>>> Synth-diy at synth-diy.org <mailto:Synth-diy at synth-diy.org>
>>> http://synth-diy.org/mailman/listinfo/synth-diy <http://synth-diy.org/mailman/listinfo/synth-diy>
>>> Selling or trading? Use marketplace at synth-diy.org <mailto:marketplace at synth-diy.org>
>> _______________________________________________
>> Synth-diy mailing list
>> Synth-diy at synth-diy.org <mailto:Synth-diy at synth-diy.org>
>> http://synth-diy.org/mailman/listinfo/synth-diy <http://synth-diy.org/mailman/listinfo/synth-diy>
>> Selling or trading? Use marketplace at synth-diy.org <mailto:marketplace at synth-diy.org>
> 
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at synth-diy.org <mailto:Synth-diy at synth-diy.org>
> http://synth-diy.org/mailman/listinfo/synth-diy <http://synth-diy.org/mailman/listinfo/synth-diy>
> Selling or trading? Use marketplace at synth-diy.org <mailto: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

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://synth-diy.org/pipermail/synth-diy/attachments/20230326/e84b7935/attachment.htm>


More information about the Synth-diy mailing list