[sdiy] ALFA clone chips?

[Tom Wiltshire]

Agree! Like you guys, customer feedback on the Alfa chips here has been very positive. And like you, we also have the CEM3340s, because…well, it’s the CEM3340! In my view it’s not my job to choose for people whether they want AS3340, V3340, or CEM3340.

Finally, I totally agree that there are so many good choices! This is some kind of golden age for analogue synths. We have all the analogue chips we could possibly want, but this time around we have *far* more powerful processors to control it all with. It’s just amazing!

==================
       Electric Druid
Synth & Stompbox DIY
==================



> On 29 Mar 2021, at 00:09, info synthcube.com <info at synthcube.com> wrote:
> 
> We’ve decided to carry the full line of Alfa chips at synthcube, as feedback from customers has continued to be generally positive. We’ll continue offering the OnChip 3340 because of its popularity, and out of respect for Mary Curtis. And we are expanding to offer all the Sound Semi chips too... so many good choices. 
> 
> Sent from my iPhone
> 
>> On Mar 28, 2021, at 6:22 PM, Benjamin Tremblay via Synth-diy <synth-diy at synth-diy.org> wrote:
>> 
>>  I use cabintechglobal.com <http://cabintechglobal.com/> .
>> It’s a well-maintained site with real inventory transparency.
>> 
>> The Alfa Rpar site is kind of incomprehensible to me. That’s because I am American. 
>> 
>> I am aware of https://infinitemachinery.com <https://infinitemachinery.com/> selfing Alfa chips, including the 3345 breakout. 
>> 
>> At this time I am out of money for these activities, so I’m just reading everyone’s comments with interest.
>> 
>> 
>>> On Mar 28, 2021, at 5:48 PM, cheater cheater via Synth-diy <synth-diy at synth-diy.org <mailto:synth-diy at synth-diy.org>> wrote:
>>> 
>>> Was that $40 from Latvia to Poland? Isn't this just around the corner?
>>> 
>>> On Sun, Mar 28, 2021 at 10:18 PM Roman Sowa <modular at go2.pl <mailto:modular at go2.pl>> wrote:
>>>> 
>>>> Last time I bought ALFA chips, it was in quantities just above 10, and I
>>>> think it was possible then to even buy 1.
>>>> ALFA sells directly, just email them.
>>>> Shipping may be expensive though, like $40 or so.
>>>> 
>>>> Funny the subject poped up just now, as I finally soldered my Alfa chips
>>>> test-module 2 days ago. Picture attached.
>>>> 
>>>> Roman
>>>> 
>>>> W dniu 2021-03-28 o 08:45, Ben Bradley pisze:
>>>>> Are these still only available from the "boutique" distributors? I'll
>>>>> buy from them but I'd prefer to buy from Digikey, Mouser or Arrow or
>>>>> other large mainstream distributor if I can. Will they ever pick up
>>>>> these lines, or is the total expected sales quantity just too small,
>>>>> or what? Digikey and Mouser carry lots of Adafruit and Sparkfun stuff,
>>>>> I've ordered the breakout boards for several hard-to-hand-solder
>>>>> chips, they're a great convenience. If the big distributors can carry
>>>>> those, I would think they could carry the synth chips.
>>>>> 
>>>>> On Sat, Mar 27, 2021 at 7:44 PM Mike Bryant <mbryant at futurehorizons.com <mailto:mbryant at futurehorizons.com>> wrote:
>>>>>> 
>>>>>>> I thought what these companies did (CoolAudio aka Uli Behringer, ALFA, SSI) was take photos of the old chips and re-issue them based off that?
>>>>>> 
>>>>>> Sort of.  There's a company in Singapore who will strip off each layer of an IC and generate new masks but also an accurate schematic of the IC so you can make an exact clone or an improved version should you so wish.  But they can only give you an estimate of deposition times and so you need to run a full trial and errors runs to get that right.
>>>>>> 
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