mixer electronics Q

Jeff Gage j-gerard at uiuc.edu
Tue Nov 19 17:14:32 CET 1996


Greetings, I'd like to let you all know first off that I'm learning a ton 
from reading this list. :) And now for my question, which may seem 
off-topic, but you guys are the most knowledgable group of people in 
audio elecronics so here goes:

I just bought a new DJ mixer (Numark dm1260x), and while I'm happy with 
it given what I paid, I have a beef. Each channel has bass/mid/treble 
faders and cut switches. Great! Only problem, the cut switches don't do 
nearly enough for me. When I cut the high end, I want it _cut_, not 
diminished. So, before I attack this thing with a screwdriver and void my 
warranty, does anybody have a gut feel for whether it would be possible 
to modify the circuit to give me more cut? Or did they do the best they 
could, and it's impossible to filter more severely?

And on a related note, I now have an old, cheap, evil Realistic (Radio 
Shack) mixer with 2 mic, 2 phono, and 1 tape, all of which I would like 
to convert to line-level, since I can't afford a 1202 right now. I can 
read schematics and have begun the arduous process of starting at the PCB 
and trying to draw a schematic... does anybody have any pointers for how 
a phono or mic fader's circuit might be modified to accept and deliver 
line-level?

Thanks, and here's hoping plans for a cheap DIY project come down the 
pipe, some of us can't afford to be Fat Men, let alone ASM-1 commanders.

jg

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Jeffrey D.Gerard     (Jeff Gage)      http://www.uiuc.edu/ph/www/j-gerard/
mailto:j-gerard at uiuc.edu (personal)              voicephone://217-344-3957
mailto:j-gerard at ncsa.uiuc.edu (business)              pager://217-xxx-xxxx
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