Owner's Manual

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C44 SERIES CONTROLS

CHANNEL FEATURES

1. 1/4” LINE INPUTS

The line connectors are for connecting balanced and unbal-

anced instruments and line level sources such as drum

machines, keyboards, ETC.

2. XLR MIC INPUTS

The balanced Mic inputs are for connecting microphones that

use XLR connections. Both the LINE and XLR MIC inputs can

be used simultaneously.

3. CHANNEL INSERT/CHANNEL DIRECT OUT

To insert channel effects, compressor, etc. use a 1/4” TRS (Tip

Ring Sleeve) cable (see INSERTS AND DIRECT OUT illustration

on page 5 for TRS details). To achieve a direct out from the chan-

nel, insert a standard 1/4” cable to the first “click” (1/2 insert).

4. GAIN

The GAIN controls the input level for the channel. If the GAIN

is set too high, the PEAK LED will flash and distortion may

occur. Decrease the amount of GAIN until the PEAK LED does

not flash. It is important that the gain control should be kept

right under the PEAK LED flash point to maintain the lowest

noise performance of the channel. You can use the channel

PFL switch to monitor the channel input level and use the

meters to adjust the GAIN control to 0dB. This will give you

a good reference point where the GAIN control should be set.

5. LOW CUT SWITCH

A 75 Hz LOW CUT filter helps eliminate unwanted low fre-

quencies. Great for reducing “boom” noise from mic stands

or from acoustic/electric guitars. Turning up the LOW EQ when

using this filter can help create a punchier bass response.

6. ACTIVE 3 BAND EQ

The C44 SERIES mixers provide studio EQ. The ±15 dB boost

or cut gives an overall 30 dB range for powerful EQ control.

The active circuits deliver deep bass from the 20-80 Hz LOW

control. The MID control works at 100Hz to 5kHz, depend-

ing on the MID FREQ control. The HI control functions at 11-

20k for crisp highs.

Start out with all tone controls at their center “zero” posi-

tion. Determine which position your MID FREQ sounds best,

then cut or boost your HI, MID, and LOW frequencies as

needed. If you are trying to mic instruments such as acoustic

guitar or drums, try various mics and mic placement before

adjusting your tone controls. A typical setting may be: HI +6,

MID -4 (MID FREQ set at 700Hz), and LOW +4. Don’t be afraid

to push the HI and LOW controls to get good presence and

depth while reducing the MID’s to clean up your sound. This

is the key to great sound.

7. MID SWEEP

This control allows you to select which frequency (from 100Hz

to 5kHz) that the MID control will boost or cut. Instruments

and singers have various tonal qualities. By adjusting the MID

FREQ, you can select the exact frequency that will best com-

plement these various inputs. 700Hz is a recommended set-

ting for the MID FREQ control for guitar and vocals.

8. 9. 10. MONITOR 1 THRU 4 CONTROLS

The channel MONITOR controls allow you to create four inde-

pendent monitor mixes. The MONITOR signals (pre-EQ, pre

fader) are routed to the master MON 1, 2, 3 and 4 controls

(#24) respectively before going to the output connectors (#39).

To start, use MON 1. The MON 2/MON 3 control will send

either to MON 2 or MON 3. The center position is OFF. The

MON 4-ALT EFF 2 not only sends to the MON 4 out but also

to the EFF2 if the EFF2/MON 4 switch (#21) is selected in the

master EFFECTS 2 processor. This provides two simultane-

ous effects per channel and the use of MON 4.

11. EFF 1/EFF 2 CONTROL

The EFF 1/2 control will send a signal to EFFECTS 1 or

EFFECTS 2 and to the EFF 1-2 jacks (#36). The center posi-

tion is OFF. If BOTH effects are desired simultaneously for

all channels, press the MASTER EFFECTS 2 SOURCE

EFF2/MON4 switch (# 21) and use the MON 4 channel send,

which will also send to the MON 4 output (#39).

12. PAN CONTROL

Each channel’s PAN control allows stereo imaging by panning

Left or Right during recordings or live performances. The PAN

control also works for the sub-mix groups. A center posi-

tion will send a channel’s signal to a pair of sub-group faders

(1-2, 3-4 when assigned). By panning hard left, the signal is

routed to only sub-group fader 1 or 3 when assigned. Panning

hard right routes the signal to sub-mix fader 2 or 4. Dual ele-

ment pan controls provide 15dB greater separation than

standard pan controls.

13. CHANNEL SIGNAL GREEN LED

The SIGNAL LED is pre-fader and post EQ. This LED helps the

operator verify that the channel is receiving a signal from the

mic or instrument inputs even when the channel fader is off.

14. CHANNEL PEAK RED LED

This peak indicator is pre-fader and post EQ. If the PEAK LED

flashes, the channel needs a reduction with the GAIN control

(#4)to prevent distortion. A “solid” lit PEAK LED indicates that

the channel has been MUTED.

C844, C1644, C2444 & C3244 4-BUS MIXERS

QUICK START UP

If you’re like most new owners, you’re probably in a hurry

to plug your mixer in and use it. Here are some brief instruc-

tions to get you going quickly. With the mixer unplugged and

the unit turned off, complete the following procedures:

1. CONNECTING AC POWER TO YOUR MIXER

• The mixer can be used with 120 or 240VAC (it automati-

cally switches internally)

• Use only a grounded (3 prong) power outlet to prevent a

shock hazard. This gives the quietest grounding for your mixer.

2. CONNECTING INPUTS TO YOUR MIXER

• For low level balanced devices such as microphones, plug

into the balanced MIC inputs using a shielded microphone

cable with XLR connectors.

• For high level balanced or unbalanced devices such as

instruments & keyboards, plug into the LINE input jacks using

a shielded cable with 1/4” phone plugs. Adjust the GAIN knob

for the mic or line input being used.

3. TURNING YOUR MIXER ON

• Adjust all channel FADERS and master LEVEL controls to

their OFF

positions

• Adjust all channel’s HI, MID, and BASS controls and the

two master 9 Band GRAPHICS to their center position.

• Adjust the Channel “PAN” controls to their center

position.

• Turn the mixer on by the rear panel POWER SWITCH

and watch for the POWER LED. Your mixer is now ready

to operate.

PHANTOM

/ /

CONCERT SERIES

C1644

1-8

POWER

LINE

MIC

INSERT

MID

PA N

PEAK

SIG

010

2/3

MON

EFF

1/2

MON

050

GAIN

CUT

PFL

MUTE

3-4

1-2

L-R

OFF

MON

3MON 2

OFF

EFF 2EFF 1

LOW

FREQ

EFF

ALT

-12

-24

-30

-50

-6

100 5k

LINE

MIC

INSERT

MID

PA N

PEAK

SIG

010

2/3

MON

EFF

1/2

MON

050

GAIN

CUT

PFL

MUTE

3-4

1-2

L-R

OFF

MON

3MON 2

OFF

EFF 2EFF 1

LOW

FREQ

EFF

ALT

-12

-24

-30

-50

-6

100 5k

LINE

MIC

INSERT

MID

PA N

PEAK

SIG

010

2/3

MON

EFF

1/2

MON

050

GAIN

CUT

PFL

MUTE

3-4

1-2

L-R

OFF

MON

3MON 2

OFF

EFF 2EFF 1

LOW

FREQ

EFF

ALT

-12

-24

-30

-50

-6

100 5k

LINE

MIC

INSERT

MID

PA N

PEAK

SIG

010

2/3

MON

EFF

1/2

MON

050

GAIN

CUT

PFL

MUTE

3-4

1-2

L-R

OFF

MON

3MON 2

OFF

EFF 2EFF 1

LOW

FREQ

EFF

ALT

-12

-24

-30

-50

-6

100 5k

LINE

MIC

INSERT

MID

PA N

PEAK

SIG

010

2/3

MON

EFF

1/2

MON

050

GAIN

CUT

PFL

MUTE

3-4

1-2

L-R

OFF

MON

3MON 2

OFF

EFF 2EFF 1

LOW

FREQ

EFF

ALT

-12

-24

-30

-50

-6

100 5k

LINE

MIC

INSERT

MID

PA N

PEAK

SIG

010

2/3

MON

EFF

1/2

MON

050

GAIN

CUT

PFL

MUTE

3-4

1-2

L-R

OFF

MON

3MON 2

OFF

EFF 2EFF 1

LOW

FREQ

EFF

ALT

-12

-24

-30

-50

-6

100 5k

LINE

MIC

INSERT

MID

PA N

PEAK

SIG

010

2/3

MON

EFF

1/2

MON

050

GAIN

CUT

PFL

MUTE

3-4

1-2

L-R

OFF

MON

3MON 2

OFF

EFF 2EFF 1

LOW

FREQ

EFF

ALT

-12

-24

-30

-50

-6

100 5k

MIC

INSERT

MID

PA N

PEAK

SIG

010

2/3

MON

EFF

1/2

MON

050

GAIN

CUT

PFL

MUTE

3-4

1-2

L-R

OFF

MON

3MON 2

OFF

EFF 2EFF 1

LOW

FREQ

EFF

ALT

-12

-24

-30

-50

-6

100 5k

LINE

MIC

INSERT

MID

PA N

PEAK

SIG

010

2/3

MON

EFF

1/2

MON

050

GAIN

CUT

PFL

MUTE

3-4

1-2

L-R

OFF

MON

3MON 2

OFF

EFF 2EFF 1

LOW

FREQ

EFF

ALT

-12

-24

-30

-50

-6

100 5k

LINE

MIC

INSERT

MID

PA N

PEAK

SIG

010

2/3

MON

EFF

1/2

MON

050

GAIN

CUT

PFL

MUTE

3-4

1-2

L-R

OFF

MON

3MON 2

OFF

EFF 2EFF 1

LOW

FREQ

EFF

ALT

-12

-24

-30

-50

-6

100 5k

LINE

MIC

INSERT

MID

PA N

PEAK

SIG

010

2/3

MON

EFF

1/2

MON

050

GAIN

CUT

PFL

MUTE

3-4

1-2

L-R

OFF

MON

3MON 2

OFF

EFF 2EFF 1

LOW

FREQ

EFF

ALT

-12

-24

-30

-50

-6

100 5k

LINE

MIC

INSERT

MID

PA N

PEAK

SIG

010

2/3

MON

EFF

1/2

MON

050

GAIN

CUT

PFL

MUTE

3-4

1-2

L-R

OFF

MON

3MON 2

OFF

EFF 2EFF 1

LOW

FREQ

EFF

ALT

-12

-24

-30

-50

-6

100 5k

LINE

MIC

INSERT

PEA

010

050

GAIN

OFF

MMON

OFF

EEFF 1

FREQ

-12

-24

-30

-50

-6