Archive of the former Yahoo!Groups mailing list: MOTM
Subject: Re: [motm] AP Plots & Specs
From: "Paul Schreiber" <synth1@...>
Date: 2002-05-22
First off, the intent is NOT other module bashing. The LAST THING ON EARTH that I want to get
into is the tired "specs don't matter" issue. They matter to ME, and that's why I got the AP
(besides, the thing is so cool. Next to my Mark Levinson 383 amp, it's the most beautifully made
piece of gear I have ever seen (looking inside)).
Unless you are ∗quite familar∗ with graphs of this sort, the data means little. That's why you
won't see this "formally" anywhere. I get beat over the head enough as it is touting MOTM as "the
best". If I try to 'prove' it, I'll get pounded even more.
In the Moog filter case, I wanted to verify that the MOTM-490's noise floor was at -100dB or
better. I also wanted to see the THD+N plot over ∗frequency∗, because the ∗shape∗ of the curve
needs to resemble the Moog 904A in order to be "moog-like". I also wanted to verify the 904A is
designed (as is the MoogerFooger) for ∗very small∗ signals (like 300mv pk-pk) which is the THD vs
amplitude plots (not shown).
The AP is just another "tool in the arsenal". It's a geekfest. I just like to ponder how they
generate a sine wave oscillator that sweeps from DC to 350Khz, with THD+N at -153dB and amplitude
control from 0 to 40V pk-pk, settable to 0.01dB. No wonder it costs so much :) All I need is a
MIDI input........
Paul S.