Mackie 1202 Manuel du propriétaire télécharger pdf (Page 12)

12

LINE IN 1 LINE IN 2 LINE IN 3 LINE IN 4

L

MONO

L

MONO

L

MONO

L

MONO

PHONES

LINE IN 5-6

RRRR

AUX SEND

TAPE

INPUT

TAPE

OUTPUT

L

R

1

2

1

2

RIGHT

L

R

RIGHT

MIC 1

MIC 2

MIC 3

MIC 4

LEFT

LEFT/

MONO

STEREO AUX RETURN

MAIN OUT

BAL/UNBAL

LINE IN 7-8 LINE IN 9-10 LINE IN 11-12

BAL

OR

UNBAL

BAL

OR

UNBAL

BAL

OR

UNBAL

BAL

OR

UNBAL

BAL

OR

UNBAL

BAL

OR

UNBAL

BAL

OR

UNBAL

BAL

OR

UNBAL

ALL BAL/UNBAL

LOW CUT

75 Hz

18dB/OCT

TRIM

+15dB -4 5dB

M

I

C

G

A

I

N

0

U

60

-

1

0

d

B

V

LOW CUT

75 Hz

18dB/OCT

TRIM

+15dB -4 5dB

M

I

C

G

A

I

N

0

U

60

-

1

0

d

B

V

LOW CUT

75 Hz

18dB/OCT

TRIM

+15dB -4 5dB

M

I

C

G

A

I

N

0

U

60

-

1

0

d

B

V

LOW CUT

75 Hz

18dB/OCT

TRIM

+15dB -4 5dB

M

I

C

G

A

I

N

0

U

60

-

1

0

d

B

V

X

D

R

M

I

C

P

R

E

X

D

R

M

I

C

P

R

E

X

D

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M

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X

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E

STEREO LINE INPUTS

(Channels 5–6, 7–8, 9–10 and 11–12)

These fully balanced inputs are designed for

stereo or mono, balanced or unbalanced sig-

nals, from –10dBV to +4dBu. They can be used

with just about any professional or semipro

instrument, effect or tape player. To learn how

signals are routed from these inputs:

. To

wire your own cables:

.

In the stereo audio world, an odd-numbered

channel usually receives the “left signal.” For

example, you would feed the 1202-VLZ PRO’s line

inputs

5-6

a stereo signal by inserting the device’s

left output plug into the channel

5

jack, and its

right output plug into the channel

6

jack.

When connecting a mono device (just one

cord), always use the

LEFT (MONO)

input

(

LINE IN

jacks

5

,

7

,

9

or

11

) and plug nothing

into the

RIGHT

input (

LINE IN

jacks

6

,

8

,

10

or

12

)— this way the signal will appear on both

sides. This trick is called “jack normalling”

.

EFFECTS: SERIAL OR

PARALLEL?

The next two sections toss

the terms “serial” and “paral-

lel” around like hacky sacks.

Here’s what we mean by them.

“Serial” means that the entire signal is

routed through the effects device. Examples:

compressor/limiters, graphic equalizers. Line-

level sources can be patched through a serial

effects device before or after the mixer, or pref-

erably through the insert jacks located on the

rear panel (

CHANNEL INSERT

send/return).

“Parallel” means that a portion of the signal

in the mixer is tapped off to the device (

AUX

SEND

), processed and returned to the mixer

(

STEREO AUX RETURN

) to be mixed with the

original “dry” signal. This way, multiple chan-

nels can all make use of the same effects

device. Examples: reverb, digital delay. (See

diagrams below.)

Dry Signal

Processed

Signal

Insert

Send

Insert

Return

Dry Signal(s)

Dry Signal(s)

Aux

Send

Aux

Return

Wet Signal

Channel Path

Mix

Stage

Output

Section

Processed

Signal

Signal Processor

(e.g., Compressor)

Signal Processor

(e.g., Reverb)

Parallel device

Serial device

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