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<p>Hi,</p>
<p>An exciting change of priorities leaves me with many items
looking for new homes :-)</p>
<p>On offer here are the two PCBs, pre-programmed PIC and three
EPROMs (i.e. all the "custom" parts) for building Trevor Page's
TR9090 drum machine. This was one of the first TR909 clones and, I
believe, replicates the circuitry faithfully but omits the
sequencer. Most of the other parts are standard unless you are
particularly finicky about the VCA, in which case there are a
couple of specific transistors to hunt down.<br>
</p>
<p>I thought it was a brilliant idea to build one of these and then
conspicuously failed to do so. All I managed to achieve was to fit
and beautifully solder the 100K resistors - you can do better than
that!<br>
</p>
<p>I have all the latest documentation available to pass on.</p>
<p>Asking GBP50 plus postage at cost to wherever you are. Payment by
bank transfer or Wise preferred - can also take PayPal but with a
surcharge to cover their ridiculous fees.</p>
<p>If you really want a head start then I think I also have some of
the bulk components (TL072s, transistors) required - please ask.</p>
<p>Thanks for looking. Happy to answer any questions. More to come!<br>
</p>
<p>Cheers,</p>
<p>Steve L.<br>
Benden Technology<br>
</p>
<img src="cid:part1.LuKIrIHT.3j8A9wZv@bendentech.co.uk"
moz-do-not-send="false" width="1025" height="576">
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