<div dir="ltr">I had the same experience as Sean - the pots on my FB383 are garbage. Some are crunchy, and the signal will cut out at certain points in the Saw/Square mix travel. Definitely something to watch out for. <div><br></div><div>Also make sure you give it about a minute after start up for it to do it's autotune dance (I assume that's what it's doing at start up?)... I feel like half the time I turn it on it doesn't want to respond to midi, but then after a short wait it's happy.</div><div><br></div><div>Best,</div><div><br></div><div>Nathan</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Apr 12, 2016 at 6:31 PM, Sean Ellis <span dir="ltr"><<a href="mailto:tensiontype@hotmail.com" target="_blank">tensiontype@hotmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr">I picked up 4 of these in one auction all listed as for repair. Turned out every one had catastrophic pot failure that cut out the signal. I would change all the pots if you have a version with the black plastic pots, I think one of these even had standard 16mm pots that had failed.<br><br><div>> Date: Tue, 12 Apr 2016 19:58:43 +0100<br>> From: <a href="mailto:gordonjcp@gjcp.net" target="_blank">gordonjcp@gjcp.net</a><br>> To: <a href="mailto:synth-diy@dropmix.xs4all.nl" target="_blank">synth-diy@dropmix.xs4all.nl</a><br>> Subject: Re: [sdiy] Freebass 383 ROM anyone?<div><div class="h5"><br>> <br>> On Mon, Apr 11, 2016 at 09:23:28PM +0000, Ullrich Peter wrote:<br>> > Hi Gordon!<br>> > <br>> > As the Freebass 383 is said to be the same as the MB33 this eprom image should work:<br>> > <br>> > <a href="http://www.mediafire.com/download/u4kkx9659e9tk6r/Freebass_MB33_OS_27C256.BIN" target="_blank">http://www.mediafire.com/download/u4kkx9659e9tk6r/Freebass_MB33_OS_27C256.BIN</a><br>> > <br>> > Ciao<br>> > Peter<br>> <br>> Well, I burned a ROM and stuck it in, and it hasn't made a big difference. It does at least trigger the envelope when I power it on now.<br>> <br>> I guess the next thing to do is try and devise some sort of diagnostic ROM.<br>> <br>> -- <br>> Gordonjcp MM0YEQ<br>> <br>> <br>> _______________________________________________<br>> Synth-diy mailing list<br>> <a href="mailto:Synth-diy@dropmix.xs4all.nl" target="_blank">Synth-diy@dropmix.xs4all.nl</a><br>> <a href="http://dropmix.xs4all.nl/mailman/listinfo/synth-diy" target="_blank">http://dropmix.xs4all.nl/mailman/listinfo/synth-diy</a><br></div></div></div> </div></div>
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