You could build a DB 800 on a MUUB 4 board, if you used my comparator
circuit (see link on my page) instead of Scott's. His DB 800 uses three
ICs, but there are only two on the MUUB 4. You would have to omit the
gate LED. Also, since the MUUB 4 is larger than the MOTM-800 board, you
might have some tricky fitting to do.
Nobody mentioned the clipper part of the DB 800. Actually I was the one
who came up with it. (I took the circuit from Electronotes.) The
MOTM-800 has a behavior that I thought was a design flaw: when
triggered rapidly the output voltage can rise above 5V. I first
discovered this by ear when the the result was an alarming increase in
the output of the VCA being controlled. The clipper limits the output
to +5V max. It has no impact on lower voltages. (Note that the clipper
works on the internal envelope, which is 0-10V).
Richard Brewster
http://pugix.com On 5/27/12 5:27 PM, wjhall11 wrote:
> Hi Gino - guys
>
> Will and I built the 800DBs for our five ∗))s and drilled 2 holes in each of the stock 800 panels from Synth Tech.
>
> Here's how we did it:
>
> http://www.dragonflyalley.com/constructionMOTM800.htm
>
> The 800DBs were the very first thing we built - while we were waiting for our first MOTM kits to arrive. So we screwed a couple of them up (we're re-building those). But we love having both LEDs - one for the gate - one for the envelope.
>
> You know - it should be pretty easy to build the 800DB on a MUUB4, sound right Scott J? Maybe I can get Will to lay that out and write instructions for it.
>
> Bill
>
> --- In ModularSynthPanels@yahoogroups.com, gino wong<ginowong@...> wrote:
>> Were there ever any DB800 panels made in any volume.
>> DB800 was and MOTM800 EG daughterboard by Tellun (which means amazing) that
>> added a comparator and an led to the original MOTM module. I don't know
>> what else it did, at some point I thought it made the EG faster which is
>> something that gets Moog wonks excited.
>>
>> I never built one or stocke the parts which is unusual for me. It probably
>> happened on Electro- Muisc. They are kind've like my last stop when
>> browsing. Too many places to go, I like mailing lists.
>>
>>
>>
>>
>> --
>> ∗Gino Wong Birgelo∗
>> BSComm, BSEE, CG, ReRED, CSEC
>> ∗Audio Mastering, Recording& Logistics, Analog Sound Design∗
>>
>> ∗Ginowong@...∗
>> ∗
>> ∗
>>
>
>