I don't know if he's still in the business. He rebuilt mine more than a year ago. The deal was that you must send him a board and then he rebuilds it. I don't believe he builds them from scratch. Tx LC --- In PolySix@yahoogroups.com, "gil_we" <gil_we@...> wrote: > > I tried to contact crow a few times as for buyin a naked KLM-367A > board but got no answer.... is he still making those ? > > > --- In PolySix@yahoogroups.com, "lionelcassin" <lionel@> wrote: > > > > I managed to cobble together a working Polysix from 2 dead units > and a > > rebuilt 367 from Old Crow. The oscillators sound pretty in tune, so > I > > left them alone. > > > > I'm a big fan of self-oscillating resonant filters, so I fiddled > > around with the frequency filter VRs to get all the filters tuned to > > the same note. Then I screwed around with the KBD TRACK (VR5) and > KBD > > TRACK OFFSET (VR13) on the 367, knowing that if I sent everything > > screwy, I could refer back to the calibration manual I downloaded > from > > Old Crow's site. > > > > But when I went to the manual, it says to test CN05-06 (which I take > > to mean Connector 5, Pin 6) and make sure you get +1.8V. When I test > > that pin, I get anywhere from -5 to +5 volts depending on the > setting > > of Keyboard Track pot on the front panel. The manual doesn't mention > > KBD OFFSET. > > > > So my KBD TRACK, KBD OFFSET and FILTER F0 and OFFSET pots are > probably > > set way out of factory standard and I have no way to get home. > > > > Thus my questions - > > > > 1. Is the calibration manual off the Old Crow site the right manual > to > > use for a 366B? If not, where can I get the right one? > > > > 2. If the calibration manual I have is the right one, what am I > doing > > wrong? > > > > 3. Can one get tuned filters over the entire keyboard range, or is > > that practically impossible? The best I get was 1 - 2 octaves in > tune. > > It sounds ok, but it could be better. > > > > 4. What is the difference between VR7 (filter offset) and VR8 > (filter f0)? > > > > My overriding goal is to get the unit back to factory standard. Any > > help towards that end would be much appreciated. > > > > Thanks > > Lionel Cassin > > >
Message
Re: Needed: calibration procedures for 366B
2006-04-29 by lionelcassin
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