[sdiy] New TI 5532

[Tom Wiltshire]

Alfa's clone, the AS3046, is widely available. They do make some other matched transistor pairs, but not uA726 unfortunately.

https://alfatriode.lv/eng/sc/application.php

> On 8 May 2026, at 12:49, Todd Sines via Synth-diy <synth-diy at synth-diy.org> wrote:
> 
> Great!
> You’ll still need a CA3046, not as hard to find as a ua726, but not as ubiquitous as a TL072 :)
> 
> 
> Todd
> 
>> On May 8, 2026, at 1:51 AM, el macaco <elmacaco at hotmail.com> wrote:
>> 
>> Thanks Todd!
>> 
>> That will do for the 2 that I want to have as spares!
>> 
>> Glad the SH-2 circuit ties the necessary pins together to be able to use this circuit.
>> 
>> Adam, I know, I’ve been here since ‘99!  I actually had 2 spares I got in 2000, but sadly they were lost in a move.
>> 
>> We always find a way!
>> 
>> Ed
>> 
>> Get Outlook for iOS <https://aka.ms/o0ukef>
>> From: Todd Sines <sines_list at scale.la>
>> Sent: Thursday, May 7, 2026 7:21:06 PM
>> To: Adam (synthDIY) <synthdiy at adambaby.com>
>> Cc: el macaco <elmacaco at hotmail.com>; Synth-diy Mailing List <synth-diy at synth-diy.org>
>> Subject: Re: [sdiy] New TI 5532
>>  
>> There’s this ( have a few for some B208Rs I made)
>> https://www.portabellabz.be/pa726.html <https://www.portabellabz.be/pa726.html>
>> 
>> I bought these, but have been too chicken to try them
>> https://www.utsource.net/itm/p/327411.html <https://www.utsource.net/itm/p/327411.html>
>> 
>> (As you can see here)
>> https://www.modwiggler.com/forum/viewtopic.php?t=194541 <https://www.modwiggler.com/forum/viewtopic.php?t=194541>
>> 
>> More discussion, featuring Mike Peake, who should know what’s up
>> https://modwiggler.com/forum/viewtopic.php?t=150851 <https://modwiggler.com/forum/viewtopic.php?t=150851>
>> https://www.modwiggler.com/forum/viewtopic.php?t=76091 <https://www.modwiggler.com/forum/viewtopic.php?t=76091>
>> 
>>> On May 7, 2026, at 7:48 PM, Adam (synthDIY) <synthdiy at adambaby.com> wrote:
>>> 
>>> 
>>> 
>>>> On 8 May 2026, at 03:53, el macaco via Synth-diy <synth-diy at synth-diy.org> wrote:
>>>> 
>>>> As a side question, what’s a good replacement for the uA726?
>>> 
>>> 
>>> People have been asking that for decades!!!!
>>> 
>>> 
>>> A
>>> 
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>>> 
>>>> 
>>>> Want a couple just in case.
>>>> 
>>>> Thanks,
>>>> 
>>>> Ed
>>>> 
>>>> Get Outlook for iOS <https://aka.ms/o0ukef>
>>>> From: Synth-diy <synth-diy-bounces at synth-diy.org> on behalf of Mike Bryant <mbryant at futurehorizons.com>
>>>> Sent: Thursday, May 7, 2026 11:27:00 AM
>>>> To: Sean Ellis <tensiontype at hotmail.com>
>>>> Cc: Synth-diy Mailing List <synth-diy at synth-diy.org>
>>>> Subject: Re: [sdiy] New TI 5532
>>>>  
>>>> Would have been better if they'd just said use the OPA1678 which is moreorless drop-in for SMT versions.
>>>> 
>>>> There are several Chinese suppliers of real 5532 clones in DIP-8 if you need them.  The ones from COSINE are definitely drop in if you're worried.  Haven't tried the other suppliers.
>>>> 
>>>> 
>>>> From: Synth-diy <synth-diy-bounces at synth-diy.org> on behalf of Sean Ellis via Synth-diy <synth-diy at synth-diy.org>
>>>> Sent: 07 May 2026 14:36
>>>> Cc: Synth-diy Mailing List <synth-diy at synth-diy.org>
>>>> Subject: [sdiy] New TI 5532
>>>>  
>>>> Just saw this thread, not sure if it was shared here. https://groupdiy.com/threads/the-new-ti-5532-chips-are-not-5532s-weve-used-for-decades.93707/ <https://groupdiy.com/threads/the-new-ti-5532-chips-are-not-5532s-weve-used-for-decades.93707/>________________________________________________________
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>>> 
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>> 
> 
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