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We’ve offered the OML version for many years with positive feedback from customers. Less direct experience with the Alfa version (so far) but we make no judgement between the two since both seem fit for specific purposes. <br>
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<div dir="ltr">Sent from my iPhone</div>
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<blockquote type="cite">On Jun 19, 2023, at 6:24 PM, Tom Wiltshire <tom@electricdruid.net> wrote:<br>
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<div dir="ltr"> Interestingly, thre are a few minor differences between the reverse-engineered Open Music Labs schematic (which the Re-303 uses) and the Alfa clone. Some of the differences are obvious stuff, like diode-connected transistors being shown as
diodes, for example, but not everything.
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<div class="">Here's the Open Music Labs version:</div>
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<div class=""><a href="http://wiki.openmusiclabs.com/wiki/x0xb0x" class="">http://wiki.openmusiclabs.com/wiki/x0xb0x</a></div>
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<div class="">And here's Alfa's:</div>
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<div class=""><a href="https://www.alfarzpp.lv/eng/sc/AS662D.pdf" class="">https://www.alfarzpp.lv/eng/sc/AS662D.pdf</a><br class="">
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<div class="">On 19 Jun 2023, at 13:10, Todd Sines <sines_list@scale.la> wrote:</div>
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<div dir="auto" class="">Din Sync make them for their RE-X0X series
<div class="">That link would be here
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<div style="-webkit-user-select: all; -webkit-user-drag: element; display: inline-block;" class="apple-rich-link" draggable="true" role="link" data-url="https://shop.re-303.com/product/ba662-clone/">
<a style="border-radius:10px;font-family:-apple-system, Helvetica, Arial, sans-serif;display:block;-webkit-user-select:none;width:300px;user-select:none;-webkit-user-modify:read-only;user-modify:read-only;overflow:hidden;text-decoration:none;" class="lp-rich-link" rel="nofollow" href="https://shop.re-303.com/product/ba662-clone/" dir="ltr" role="button" draggable="false" width="300">
<table style="table-layout:fixed;border-collapse:collapse;width:300px;background-color:#E9E9EB;font-family:-apple-system, Helvetica, Arial, sans-serif;" class="lp-rich-link-emailBaseTable" cellpadding="0" cellspacing="0" border="0" width="300">
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<a rel="nofollow" href="https://shop.re-303.com/product/ba662-clone/" style="text-decoration: none" draggable="false" class=""><font style="" class="">BA662 Clone – RE-303 Web Shop</font></a></div>
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<a rel="nofollow" href="https://shop.re-303.com/product/ba662-clone/" style="text-decoration: none" draggable="false" class=""><font color="#A2A2A9" style="color: rgba(60, 60, 67, 0.6);" class="">shop.re-303.com</font></a></div>
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<a rel="nofollow" href="https://shop.re-303.com/product/ba662-clone/" draggable="false" class=""><span id="cid:72BB9D0E-6FE2-4467-B7A9-C24E9BB82A9A"><favicon.ico></span></a></td>
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<div dir="ltr" class=""><span style="background-color: rgba(255, 255, 255, 0);" class="">Todd</span>
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<blockquote type="cite" class="">On Jun 19, 2023, at 4:39 AM, Tom Wiltshire <tom@electricdruid.net> wrote:<br class="">
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<div dir="ltr" class="">Yes, Alfa make a clone - or at least a chip with that number:
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<div class=""><a href="https://www.alfarzpp.lv/eng/sc/AS662D.pdf" class="">https://www.alfarzpp.lv/eng/sc/AS662D.pdf</a></div>
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<div class="">On 19 Jun 2023, at 04:41, Adam (synthDIY) <<a href="mailto:synthdiy@adambaby.com" class="">synthdiy@adambaby.com</a>> wrote:</div>
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<div class="">Actually, yes you're right, the Roland BA662 OTA that they used a lot around this time, both for VCAs and VCFs. I've sent you the schematic.<br class="">
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I think they've been cloned successfully in recent years<br class="">
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