Mackie 1604-VLZ Manuel du propriétaire télécharger pdf (Page 30)

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MODIFICATIONS-O-RAMA

The CR-1604 can be modified to move the

position of AUX Sends and Channel

Inserts in the signal flow. Unless you

have the right tools and have tweaked

with circuitry before, leave these

mods to a pro. Our Official Word on

modifications is: “Any internal

modification of the

CR-1604 MUST be per-

formed by a competent

technician. Mackie Designs ac-

cepts no responsibility in the event of

improperly performed modifications

or other damages and, in such

cases, may declare warranty privi-

leges void.” Be VERY careful!

Here are the most common CR-

1604 modifications, six of which are detailed

on the following pages.

1. CONVERT AUX SENDS TO MONITOR

SENDS (Pre-EQ, Pre-Fader, Pre-Mute/ALT

Switch).

Can be done on any or all of channel strips

1 to 16. Each channel modification requires

cutting one or more circuit traces and adding

a small jumper wire. On each strip, you can

modify Sends 2, 3, 4 or any combination

thereof. Note: Converting AUX 3 will also con-

vert AUX 5; converting AUX 4 will also convert

AUX 6. See the next page.

2. CONVERT AUX SENDS INTO MONITOR

SENDS WITH EQ (Post-EQ, Pre-Fader, Pre-

Mute/ALT Switch).

Can be done on any or all of channel strips

1 to 16. Each channel modification requires

cutting one or more circuit traces and adding

a small jumper wire. On each strip, you can

modify Sends 2, 3, 4 or any combination

thereof. Note: Converting AUX 3 will also con-

vert AUX 5; converting AUX 4 will also convert

AUX 6. See pg. 31.

3. CONVERT AUX SENDS TO IGNORE

MUTE/ALT STATUS (Post-EQ, Post-Fader, Pre-

Mute/ALT Switch).

Can be on any or all of channel strips 1–16.

Converts ALL AUX sends on each channel

strip. Requires cutting a circuit trace, and

adding both a small jumper wire and a

20,000Ω resistor. See pg.32 of this section.

TECH

STUFF

4. CONVERT CHANNEL ACCESS (INSERTS)

TO PRE-EQ / PRE-FADER.

Can be performed on any or all of the first

eight CR-1604 channel strips. Requires cutting

three circuit traces and adding both a small

jumper wire and a 22µf/16V electrolytic cap on

each channel strip. See pg. 33 of this section.

5. CONVERT CHANNEL ACCESS (INSERTS)

TO POST-EQ / PRE-FADER.

Can be performed on any or all of the first

eight CR-1604 channel strips. Requires cut-

ting three circuit traces and adding both a

small jumper wire and a 22µf/16V electrolytic

cap on each channel strip. See pg. 34 of this

section.

6. TIE SOLO TOGETHER ON TWO OR MORE

CR-1604s.

See pg. 35 of this section.

+15–15

0

HI

+15–15

0

MID

+12–12

0

LO

EQ

+20

U

00

MUTE

ALT 3/4

1

PREAMP

EQ CH. FADER

MUTE

ALT 3/4

INPUT

TO

MAIN

1/2

BUS

TO

ALT

3/4

BUS

STOCK

AUX SEND

MOD 1 MOD 3MOD 2

POST-EQ

POST-FADER

PRE MUTE/ALT

POST-EQ

PRE-FADER

PRE MUTE/ALT

PRE-EQ

PRE-FADER

PRE MUTE/ALT

MOD 4

STOCK CHANNEL

ACCESS JACK

MOD 5

POST-EQ

POST-FADER

PRE MUTE/ALT

POST-EQ

PRE-FADER

PRE MUTE/ALT

PRE-EQ

PRE-FADER

PRE MUTE/ALT

POST-EQ

POST-FADER

POST MUTE/ALT

AUX SEND mods

CHANNEL ACCESS mods

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 43 44

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