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Modification 5 — Channel Insert
POST-EQ • PRE-FADER • PRE-ALT/MUTE
This modification moves the CR-1604’s
Channel Access points to post-EQ/pre-fader.
You can modify any or all of the CR-1604’s first
8 channels. WARNING: This is an Advanced
Deadly, Expert Level Modification. Don’t try
this one at home!
1. Follow steps 1 through 5 at the bottom
of page 31.
2. Cut traces as shown at points (a), (b)
and (c) in the lower drawing .
3. Add jumpers (d) & (e). Don’t smash the
jumper down onto the circuit board. Let
it “arch” above.
4. Add a 22-microfarad/16-volt electrolytic
capacitor as shown (f) polarity doesn’t
matter. You’ll need to solder a wire onto
one or both ends.
5. Follow steps 9 to 11 at the bottom of
page 31.
POD
MAIN CHASSIS
MAIN CHASSIS
a
bb
POD
POD
Modification 1&2Modification 3&4
Add Jum
p
er
(
d
)
Add Jumper (d)
Add Capacitor (d)
POST-EQ • PRE-FADER • PRE-ALT/MUTE
MODIFICATION
Cut here (c)
Cut here (c)
Cut here (c)
* Note: Traces on different channels may
vary slightly from the drawing. (Engineering
sez channel strips are like snowflakes).
Any internal modification of the CR-1604
must be performed by a competent electronic
technician. Mackie Designs accepts no respon-
sibility in the event of improperly performed
modifications or other damages and, in such
cases, may declare warranty privileges void.
TECH
STUFF