[sdiy] a simple request: new Deluxe Memory Man schematic drawing
anthony
aankrom at bluemarble.net
Wed Nov 21 23:46:04 CET 2007
I know it may be a bit much to ask, but I don't really have the skill to do
it, but here's my request:
Could someone do another rendering of the EH Deluxe Memory Man schematic?
The one I find (and it's the same exact one everywhere - I find it hard to
believe that that would be the factory schematic) is hard to follow, mainly
because the MN3005's are split up into a bunch of little sections. Doing
that only makes sense with logic gates and op-amps. It being in 2.35:1
anamorphic panorama doesn't help much either.
Nothing urgent really seeing how I have 2 DOD R-870's. Sure it's 2 1U high
rack units and takes up much more space than a Memory Man, but I have two
modulatable MN3005 analog delays (SAD512D if I want to use the "Flanger"
mode, but since I put in bigger timing caps, it's more like a chorus that
you can regenerate positively and negatively). I use a small mixer so that I
can daisy chain them from a 100% wet channel and regen from the 2nd delay
back to the first. I remember when I got the first one I thought, "This
thing is so cool I need to get another one!" So I did.
I guess what I'm getting at is I'm not likely to be making a DMM clone any
time soon, but I imagine there are others who can't be bothered hunting down
old DOD gear to tweak like I like to do and would want a nice. easy to
follow schematic.
But being able to modulate a long delay is a way cool effect. I use a fast,
low-depth modulation to render what I call "Slabrato" - a portmanteaux of
slap-back & vibrato (if you couldn't guess...). I think a flaw that works
out to be a feature is that the LFO tends to modulate the biasing of either
the BBD input or some other area that gets biased so you end up with a mix
of slight tremolo with your vibrato. Only thing missing is being able to
control the delay externally.
cheers,
aa
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