<div dir="auto">Fwiw, Alfa at least makes their AS2180 VCA which seems to be a drop-in replacement for THAT 2180/2181 in the surface-mount form factor.<div dir="auto"><a href="https://www.alfatriode.lv/eng/sc/AS2180.php">https://www.alfatriode.lv/eng/sc/AS2180.php</a></div><div dir="auto"><br></div><div dir="auto">Can't remember seeing any reports on how they compare, are there any?</div><div dir="auto"><br></div><div dir="auto">/mr</div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">Den fre 4 sep. 2026 20:53Mike Bryant <<a href="mailto:mbryant@futurehorizons.com">mbryant@futurehorizons.com</a>> skrev:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">




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As far as I can work out, the Alfa process is 2 micron BiFETs on 3" wafers.   So probably not suitable for the devices THAT are obsoleting, but they may be able to produce something compatible.  However their fab is kept going by space work, and the audio chips
 are a sideline.</div>
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<b>From:</b> Synth-diy <<a href="mailto:synth-diy-bounces@synth-diy.org" target="_blank" rel="noreferrer">synth-diy-bounces@synth-diy.org</a>> on behalf of Quincas Moreira via Synth-diy <<a href="mailto:synth-diy@synth-diy.org" target="_blank" rel="noreferrer">synth-diy@synth-diy.org</a>><br>
<b>Sent:</b> 04 September 2026 19:07<br>
<b>To:</b> Sawtooth Glitch <<a href="mailto:sawtoothglitch@outlook.com" target="_blank" rel="noreferrer">sawtoothglitch@outlook.com</a>><br>
<b>Cc:</b> SDIY List <<a href="mailto:synth-diy@synth-diy.org" target="_blank" rel="noreferrer">synth-diy@synth-diy.org</a>><br>
<b>Subject:</b> Re: [sdiy] CoolAudio?</div>
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<div style="direction:ltr">Probably best to try Alpha from Latvia 🇱🇻 </div>
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Quincas Moreira</div>
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Director | QMA</div>
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<span style="color:rgb(100,100,100)">mobile: </span><span style="color:rgb(0,0,1)"> <a href="tel:5534988825" style="color:rgb(0,0,1)" id="m_7288879453304785023OWA2ae53159-6f0e-5793-dbe8-80d322a3c530" target="_blank" rel="noreferrer">5534988825</a></span></div>
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<span style="color:rgb(100,100,100)">site: </span><span style="color:rgb(0,0,1)"> <a href="http://quincasmoreira.com/" style="color:rgb(0,0,1)" id="m_7288879453304785023OWAb43fd5e5-0fc8-a37f-d370-c1e6c935b412" target="_blank" rel="noreferrer">quincasmoreira.com</a></span></div>
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<span style="color:rgb(100,100,100)">email: </span><span style="color:rgb(0,0,1)"> <a href="mailto:quincas@gmail.com" style="color:rgb(0,0,1)" id="m_7288879453304785023OWA5f0f428e-e289-9f55-ab57-d1cc8c6df5af" target="_blank" rel="noreferrer">quincas@gmail.com</a></span></div>
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<div style="direction:ltr">On Fri 4 Sep 2026 at 11:30 a.m. Sawtooth Glitch via Synth-diy <<a href="mailto:synth-diy@synth-diy.org" id="m_7288879453304785023OWAe184d6c7-052c-047a-93a4-e488af6b2a27" target="_blank" rel="noreferrer">synth-diy@synth-diy.org</a>> wrote:</div>
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<p style="margin-top:1em;margin-bottom:1em"><span style="font-family:Calibri,sans-serif;font-size:11pt">Cabintechglobal.com has stock for several Coolaudio products.</span></p>
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<p style="margin-top:1em;margin-bottom:1em"><span style="font-family:Calibri,sans-serif;font-size:11pt"><b>From:</b> Synth-diy <<a href="mailto:synth-diy-bounces@synth-diy.org" style="margin-top:0px;margin-bottom:0px" id="m_7288879453304785023OWA889f5fb2-aa96-f9f7-beac-3369632f2209" target="_blank" rel="noreferrer">synth-diy-bounces@synth-diy.org</a>>
<b>On Behalf Of </b>H.Sergio Alves via Synth-diy<br>
<b>Sent:</b> Friday, September 4, 2026 7:07 AM<br>
<b>To:</b> Neil Johnson <<a href="mailto:neil.johnson71@gmail.com" style="margin-top:0px;margin-bottom:0px" id="m_7288879453304785023OWAaf8b77e2-3728-f4ac-ce9b-ef89558f7589" target="_blank" rel="noreferrer">neil.johnson71@gmail.com</a>><br>
<b>Cc:</b> SDIY List <<a href="mailto:synth-diy@synth-diy.org" style="margin-top:0px;margin-bottom:0px" id="m_7288879453304785023OWA710d9c5c-e578-599d-5c2d-be05d0b940b5" target="_blank" rel="noreferrer">synth-diy@synth-diy.org</a>><br>
<b>Subject:</b> Re: [sdiy] CoolAudio?</span></p>
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<p style="margin-top:1em;margin-bottom:1em">Cool audio is part of music tribe and they populate most of Behringer crap.. doubt they will shut up shop but most likely won’t be selling to small timers like us</p>
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<p style="margin-top:1em;margin-bottom:1em">On Fri, 4 Sep 2026 at 15:05, Neil Johnson via Synth-diy <<a href="mailto:synth-diy@synth-diy.org" style="margin-top:0px;margin-bottom:0px" id="m_7288879453304785023OWAbadd884f-c2ef-7310-a2bc-1e7096b06da1" target="_blank" rel="noreferrer">synth-diy@synth-diy.org</a>>
 wrote:</p>
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<p style="margin-top:1em;margin-bottom:1em">Has anyone checked the CoolAudio website recently?</p>
<p style="margin-top:1em;margin-bottom:1em">Have they shut up shop as well?</p>
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<p style="margin-top:1em;margin-bottom:1em">Neil</p>
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