In order to achieve maximum performance from
your new Crate Pro Audio Mixer we recommend
that you read this user’s guide prior to its use.
User’s Guide
for the
CRATE PRO AUDIO
CSM8/12/16/24
Console Mixer
2
THIS EQUIPMENT HAS BEEN DESIGNED AND
ENGINEERED TO PROVIDE SAFE AND RELIABLE
OPERATION. IN ORDER TO PROLONG THE LIFE
OF THE UNIT AND PREVENT ACCIDENTAL DAMAGES OR INJURY, PLEASE FOLLOW THESE PRECAUTIONARY GUIDELINES:
CAUTION: TO REDUCE THE RISK OF ELECTRIC
SHOCK, DO NOT OPEN CHASSIS; DO NOT
DEFEAT OR REMOVE THE GROUND PIN OF THE
POWER CORD; CONNECT ONLY TO A PROPERLY
GROUNDED AC POWER OUTLET.
WARNING: TO REDUCE THE RISK OF FIRE OR
ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE.
CAUTION: NO USER-SERVICEABLE PARTS
INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
CAUTION: OUR AMPLIFIERS ARE CAPABLE OF
PRODUCING HIGH SOUND PRESSURE LEVELS.
CONTINUED EXPOSURE TO HIGH SOUND PRESSURE LEVELS CAN CAUSE PERMANENT HEARING IMPAIRMENT OR LOSS. USER CAUTION IS
ADVISED AND EAR PROTECTION IS RECOMMENDED IF UNIT IS OPERATED AT HIGH VOLUME.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER.
NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
"IT IS NECESSARY FOR THE USER TO REFER TO THE INSTRUCTION MANUAL"
“ES NECESARIO QUE EL USUARIO SE REFIERA AL MANUAL DE INSTRUCCIONES.”
"REFERREZ-VOUS AU MANUAL D'UTILISATION"
"UNBEDINGT IN DER BEDIENUNGSANLEITUNG NACHSCHLAGEN"
EXPLANATION OF GRAPHICAL SYMBOLS:
EXPLICACION DE SIMBOLOS GRAFICOS:
"DANGEROUS VOLTAGE"
“VOLTAJE PELIGROSO”
"DANGER HAUTE TENSION"
"GEFAHLICHE SPANNUNG"
=
=
PRECAUCION
RIESGO DE CORRIENTAZO
NO ABRA
PRECAUCION PARA DISMINUOIR EL RIESGO DE CORRIENTAZO
NO ABRA LA CUBIERTA
NO HAY PIEZAS ADENTRO QUE EL USARIO PUEDO REPARAR
DEJE TODO MANTENIMIENTO A LOS TECHNICOS CALIFICADOS
ATTENTION
RISQUE D'ELECTROCUTION
NE PAS OUVRIR
ATTENTION: POUR REDUIRE D'ELECTROCUTION NE PAS
ENLEVER LE COUVERCLE. AUCUNE PIECE INTERNE N'EST REPRABLE
PAR L'UTILISATEUR. POUR TOUTE REPARATION, S'ADRESSER A UN
TECHNICIEN QUALIFIE.
VORSICHT
ELEKTRISCHE SCHLAGGEFAHR
NICHT OFFENEN
VORSICHT: ZUR MINIMIERUNG ELEKTRISCHER SCHLAGGEFAHR NICHT
DEN DECKEL ABENHMEN. INTERNE TEILE KONNEN NICHT VOM
BENUTZER GEWARTET WERDEN. DIE WARTUNG IS QUALIFIZIERTEM
WARTUNGSPERSONAL ZU UBERLASSEN.
ESTE APARATO HA SIDO DISENADO Y CONSTRUIDO PARAPROVEER ANOS DE OPERACION
SEGURA Y CONFIABLE. PARA PROLONGAR LA
VIDA DE ESTA UNIDAD E IMPEDIR DANOS ACCIDENTALES POR FAVOR SIGA ESTAS INSTRUCCIONES PREVENTIVAS:
PRECAUCION: PARA DISMINUIR EL RIESGO DE
DESCARGAS ELÉLECTRICAS: (1) NO ABRA LA
CUBIERTA, (2) NO ES RECOMENDABLE
REMOVER O DESACTIVAR LA PATA DEL POLO A
TIERRA DEL CABLE DE CORRIENTE, CONECTE
CORRECTAMENTE A UNA TOMA DE CORRIENTE
A TIERRA.
ADVERTENCIA: PARA EVITAR DESCARGAS
ELECTRICAS O PELIGRO DE INCENDIO, NO DEJE
ESTE APARATO EXPUESTO A LA LLUVIA O
HUMEDAD.
PRECAUCION: NO HAY PIEZAS ADENTRO QUE
EL USUARIO PUEDE REPARAR. DEJE TODO MANTENIMIENTO A LOS TÉCNICOS CALIFICADOS.
PRECAUCION: NUESTROS AMPLIFICADORES
PUEDEN PRODUCIR NIVELES DE PRESION DE
SONIDO ALTO. EXPOSICION CONTINUADA A LOS
NIVELES DE PRESION DE SONIDO ALTO PUEDE
CAUSA DANO PERMANENTE A SU OIDO. ES
ACONSEJADO QUE USE PRECAUCION AL
USUARIO Y ES RECOMENDADO PROTECCION
PARA LOS OIDOS SI LA UNIDAD ES OPERADA A
VOLUMEN ALTO.
THE CHART BELOW SHOWS THE U.S. GOVERNMENT’S OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA) REGULATIONS WHICH WERE IN EFFECT AT THE TIME OF THIS PUBLICATION FOR PERMISSIBLE NOISE EXPOSURE, PER 29CFR1910.95, TABLE G-16:
ACCORDING TO OSHA, ANY EXPOSURE IN EXCESS TO THESE AMOUNTS LISTED ABOVE COULD RESULT IN SOME HEARING LOSS.
SOUND LEVEL DBA, DURATION PER DAY SOUND LEVEL DBA, DURATION PER DAY SOUND LEVEL DBA, DURATION PER DAY
SLOW RESPONSE
IN HOURS SLOW RESPONSE IN HOURS SLOW RESPONSE IN HOURS
90 8 97 3 105 1
92 6 100 2 110 1/2
95 4 102 1 - 1 1/2 115 1/4 or less
CSM8/12/16/24 Console Mixer
Congratulations.
You have selected one of the finest pieces of audio reproduction equipment available for use on stage,
in the home studio, or for “institutional” use: a Crate Pro Audio Stereo Console Mixer. In order to derive
the most benefit from the mixer, and to fully understand and appreciate its flexibility and versatility, please
familiarize yourself with the mixer by reading through this User’s Guide prior to its use.
And Thank You, from
Table of Contents:
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 3
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . .3
The Input Channels . . . . . . . . . . . . . . . . . . . . . . . . . . .4
The Master Section . . . . . . . . . . . . . . . . . . . . . . . . . .5,6
Equalization Diagrams . . . . . . . . . . . . . . . . . . . . . . . . .7
Differences in Cable Types . . . . . . . . . . . . . . . . . . . . . .7
Applications
Connecting External Effects . . . . . . . . . . . . . . . . . .8
Basic Mono Operation . . . . . . . . . . . . . . . . . . . . .9
Basic Stereo Operation . . . . . . . . . . . . . . . . . . . .10
DJ Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
House of Worship Installation . . . . . . . . . . . . . . .12
Separating Vocals and Instruments . . . . . . . . . . . .13
System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . .14
Gain Level Diagram . . . . . . . . . . . . . . . . . . . . . . . . . .15
Technical Specifications . . . . . . . . . . . . . . . . .back cover
3
CSM8/12/16/24 Console Mixer
Introduction:
In the world of professional sound reinforcement and audio reproduction there is no
room for compromise. It is absolutely vital that the emotions of a performance are projected
to your audience, not just sounds. Your new Crate Pro Audio CSM8/12/16/24 Console Mixer
is a powerful tool which allows you to successfully bridge the gap between performers and
audience without losing any of the “life” of the performance in the process. No matter what
your particular application, your Crate Pro Audio mixer is ready to meet the challenge with a
level of performance and control unequaled by its competition.
Crate Pro Audio mixers are the result of our interest in and experience with high-performance audio equipment, combined with our extensive research and development procedures,
and guided by our love of musical performances. Each mixer is built using a variety of innovative construction methods making it truly reliable and incredibly roadworthy. Its diverse features
offer you an extremely high degree of versatility and flexibility regardless of the application. The
mixer has been thoughtfully designed to keep you constantly in total control of your performing
environment, always with the best possible sound.
Features:
Crate Pro Audio CSM8/12/16/24 mixers combine the latest technology with contemporary
styling and flexible features. In addition, their exceptionally low noise, incredible headroom
make them perfect for use on stage, in the home studio, or for “institutional” use. Each of the
input channels offers you the choice of balanced XLR Low-Z or balanced 1/4" Hi-Z Input jacks,
an insert jack, a peak/signal LED, gain control, three bands of equalization, four fully-adjustable
aux sends, a pan control, mute and PFL switches, and a long range channel fader. The master
section offers left, right and mix XLR and 1/4” balanced output jacks, a PFL out jack, stereo
Tape In and Out jacks, four aux sends, two stereo aux returns with level and pan controls, dual
11-step LED meters, switchable Phantom Power, a Headphones jack with level control, PFL left,
right and mix selector switches, and four master faders: aux 1, left, right, and mix.
The color-coded knobs help you know at a glance if you’re reaching for a Level knob, an EQ
control, a Pan pot or Master slider.
About this Manual:
This manual is the compilation of many hours of discussions with engineers, musicians,
experts in the field of sound reproduction as well as novices, along with “hands-on” usage and
training. While we strive to provide as comprehensive and informative a manual as possible,
we realize we cannot convey every application imaginable or answer every possible question.
We have endeavored to cover as much as is practical in this owner’s manual and have provided suggested connection diagrams for you to use as a starting point for your application. Your
Crate Pro Audio dealer can assist you with additional information, or you can visit us on our
website at www.crateamps.com.
4
The Input Channels:
1
2
3
4
5
6
7
8
11
12
13
14
9
10
1. LOW Z INPUT: The signal output from a low impedance microphone or a low
impedance line level signal (such as a line out signal from an instrument amplifier) may be connected here by means of a shielded cable terminated with a
male XLR plug. Pin 2 = “+,” pin 3 = “–,” and pin 1 = shield.
2. HIGH Z INPUT: The signal output from a high impedance microphone or a line
level signal (such as an instrument, rhythm machine, tape deck, etc.) may be
connected here by means of a shielded cable terminated with a male 1/4” plug.
Tip = “+,” ring = “–,” and sleeve = shield.
3. INSERT: A signal processor may be connected here by means of a shielded
stereo signal cable or shielded “Y” cord. (See page 8.) Ring = send, tip = return,
and sleeve = ground.
4. PEAK/SIGNAL LED: This LED will illuminate green when a signal is present at
the High or Low Z inputs. When the signal nears clipping, the LED will illuminate red. (See Gain control, #5.)
5. GAIN: Use this control to set the input signal level for the channel. Adjust this
control so the peak LED (#4) flashes on strong signal peaks.
6. HIGH: Use this control to adjust the high frequency level for the channel. This
control allows for 15dB of cut or boost at 10kHz. Typical equalization diagrams
are shown on page 7.
7. MID: Use this control to adjust the midrange frequency level for the channel.
This control allows for 15dB of cut or boost at 2kHz. Typical equalization diagrams are shown on page 7.
8. LOW: Use this control to adjust the low frequency level for the channel. This
control allows for 15dB of cut or boost at 100Hz. Typical equalization diagrams
are shown on page 7.
9. AUX 1, AUX 2: Use these controls to set the channel’s output signal level at the
aux 1 and aux 2 send jacks (#17, page 5). These are pre-EQ, pre-fader, and are
typically used as monitor sends. Examples of some typical connection methods
are shown on pages 8–13.
10.AUX 3, AUX 4: Use these controls to set the channel’s output signal level at the
aux 3 and aux 4 send jacks (#17, page 5). These are post-EQ, post-fader, and
are typically used as effects loop sends. Examples of some typical connection
methods are shown on pages 8–13.
11.PAN: Use these controls to set the amount of the channel’s output signal sent to
the left and right master faders (#30, page 6) and the left and right balanced output jacks (#15, page 5).
12.MUTE: This switch, when depressed, mutes the channel’s output signal sent to the
left, right and mix master faders (#30, 31, page 6).
13.PFL: This switch, when depressed, sends the channel’s post-EQ, pre-fader signal
to the headphones jack (#28, page 6) and the PFL output jack (#18, page 5).
14.FADER: Use this control to set the channel‘s signal level output sent to the left,
right and mix master faders (#31, 32, page 6) and the aux 3 and aux 4 send jacks
(#17, page 5).
CSM8/12/16/24 Console Mixer
5
The Master Section:
15
16
18
17
20
22
25
26
24
27
28
29
30 31 32
23
21
19
15. LEFT, RIGHT AND MIX BALANCED OUTPUTS: Use
these jacks to send the mixer’s output signal(s) to the
house power amplifier(s) (see pages 9–13). For the XLR
jacks, pin 2 = “+,” pin 3 = “–,” and pin 1 = shield. For
the 1/4” jacks, tip = “+,” ring = “–,” and sleeve = shield.
16. TAPE IN/TAPE OUT JACKS: Use these jacks to connect
to the record and playback jacks of a cassette tape deck.
Because the tape in jacks are fed directly into the left
and right master faders, use the tape deck’s output level
control or an in-line attenuator to adjust the level of the
playback signal.
17. AUX SEND JACKS: Use these jacks to send the aux sig-
nals to your monitor amps and/or external effects. Aux 1
and 2 are sends only, while aux 3 and 4 can be used as
an effects loop along with the aux 3 and 4 return jacks
(#19). (See pages 8–13). The mix for each aux send jack
is set by the channel aux controls (#9, 10). The master
aux 1 fader (#30, page 6) sets the overall signal output
level for the aux 1 jack, while the aux 2, 3 and 4 send
controls (#24, page 6) set the overall signal output level
for the aux 2, 3 and 4 jacks.
18. PFL OUTPUT JACK: Use this jack to send the channel’s
PFL signal outputs to a studio monitor power
amp/speaker or to a headphone distribution box for
additional monitoring capabilities.
19. AUX RETURN JACKS: Use these jacks to return the
processed signal from an external effect into the master
mix. These jacks are stereo 1/4” connectors – ring =
right, tip = left, sleeve = shield.
20. POWER: This switch applies the power to the mixer. The
mixer is on when the top of the switch is depressed, off
when the bottom of the switch is depressed. The adjacent LED illuminates when the power is on.
21: OUTPUT LED METERS/PEAK INDICATORS: These LED
meters monitor the output signals sent to the balanced
output jacks (#15). The meter selector switch (#22)
determines whether the meters monitor the left and right
output signals or the aux 1 and mix output signals.
When the LEDs illuminate into the upper red areas, the
signals are near clipping and may need to be reduced to
avoid distortion.
22: METER SELECTOR SWITCH: When the switch is in the
out position, the LED meters (#21) monitor the left and
right output signals. When the switch is depressed, the
LED meters monitor the aux 1 and mix output signals.
CSM8/12/16/24 Console Mixer
(continued...–––––
>
)
6
CSM8/12/16/24 Console Mixer
The Master Section (continued):
15
16
18
17
20
22
25
26
24
27
28
29
30 31 32
23
21
19
23: PHANTOM POWER: This switch, when depressed, applies 48
volts DC to pins 2 and 3 of the each channel’s low Z input jacks
(#1, page 4) to accommodate microphones which require a
source of phantom power for proper operation. (Mics not
requiring phantom power are not affected by the presence of the
DC voltage.)
24. AUX SEND LEVELS: Use these controls to set the output levels
for the signals at the aux 2, 3 and 4 send jacks (#17, page 5).
25. AUX RETURNS: Use these controls to adjust the level of the
signals from the aux 3 and 4 return jacks (#19, page 5).
26. AUX PANS: Use these controls to set the balance of the aux 3
and 4 return signal sent to the left and right master faders (#31).
27. HEADPHONES/PFL LEVEL: Use this control to adjust the output
signal level at the headphones/PFL jack (#28).
28. HEADPHONES/PFL JACK: Use this jack to connect a pair of
stereo headphones to the mixer. The signal at this jack is taken
from the PFL bus, therefore the channel PFL buttons must be
depressed in order to hear their signals through the headphones.
29. PFL LEFT/RIGHT/MIX: These switches, when depressed, send
the corresponding PFL signals to the headphones/PFL jack (#28)
and to the PFL output jack (#18).
30. AUX 1 MASTER FADER: Use this control to set the overall out-
put signal level at the aux 1 send jack (#17, page 5). A fader has
been chosen to provide ease of control of aux 1 since this is typically used as an output signal for the stage monitors.
31. LEFT/RIGHT MASTER FADERS: Use these controls to set the
overall output signal levels at the left and right balanced output
jacks (#15, page 5), as well as the signal level sent to the mix
master fader (#32).
32. MIX MASTER FADER: Use this control to set the overall output
signal level at the mix balanced output jacks (#15, page 5). The
left and right master faders (#31) must be set at an appropriate
level so that a signal of sufficient amplitude is sent to the mix
master fader.
7
CSM8/12/16/24 Console Mixer
Equalization Diagrams:
Each input channel of the CSM8/12/16/24 has three bands of equalization which let you alter the tonal characteristics
of the input signal. The EQs may be used to add “color” or to compensate for inadequacies of the original signal. They also
may be used to cut frequencies to help eliminate unnatural sounds or to de-emphasize over-pronounced tones, and to help
prevent acoustic feedback. Each EQ has a range of 30dB (+/-15dB).
•The high EQ for each channel is a “shelving” type, with an action point (+6dB) at 6kHz, reaching maximum
effect at 10kHz and above.
•The middle EQ for each channel is a “peaking” type, which affects frequencies from 800Hz to 5kHz, centered
at 2kHz.
•The low EQ for each channel is a “shelving” type with an action point (+6dB) at 250Hz, reaching maximum
effect at 100Hz and below.
TIP = SIGNAL "+" (IN-PHASE)
RING = SIGNAL "-" (OUT-OF-PHASE)
SLEEVE = SHIELD
TIP RING
SLEEVE
RING
SLEEVE
BALANCED SIGNAL CABLE:
TIP
TIP = SIGNAL
SLEEVE = SHIELD
TIP
SLEEVE
SLEEVE
UNBALANCED SIGNAL CABLE:
TIP
PIN 2 = SIGNAL "+" (IN-PHASE)
PIN 3 = SIGNAL "-" (OUT-OF-PHASE)
PIN 1 = SHIELD
BALANCED MIC CABLE:
TIP = SIGNAL "+"
SLEEVE = SIGNAL "-"
TIP
SLEEVE
SLEEVE
*Speaker cables typically do not use or require a shield.
SPEAKER CABLE:
TIP
12
3
Differences in Cable Types:
This manual makes reference to different types of cables; in particular, balanced and unbalanced signal cables and
speaker cables. These are not the only types of cables associated with sound reinforcement, but they are similar enough to
each other to warrant a more descriptive explanation. For example, the three 1/4”-terminated cables below may look alike
at first, but upon closer examination their differences become apparent.
20
-10
0dB
+10
+20
-20
50 100 200 500 1k 2k 5k 10k 20kHz
Care must be taken to
avoid using SIGNAL cables
in place of SPEAKER cables
and vice-versa.
Signal cables aren’t made
to handle the power which
speaker cables do; speaker
cables are not shielded and
pick up external signals,
resulting in excessive hum
and buzzing.
8
CSM8/12/16/24 Console Mixer
Connecting External Signal Processors:
There are several ways to use external signal processors with the CSM8/12/16/24. Each of the mixer’s input channels has its
own Insert jack, allowing a processor to be used on that particular channel. Figures 1 and 2 below show two ways of connecting a signal processor to the channel Insert jacks.
The mixer’s master section has two stereo effects loops available (Aux 3 and Aux 4), allowing a processor to be added to any
or all of the input signals. Figures 3 and 4 below show the basic connection of two types of stereo processors to the aux
loops.
Each channel’s Aux 3 and Aux 4 levels control the amount of signal sent from each channel to the aux loops. The master Aux
3 and Aux 4 Send, Return and Pan control the amount of signal sent to the processor, the amount of processed signal
returned to the mix, and how much of the processed signal is applied to the left and right output signals.
(See pages 4 through 6 for additional information on the insert jacks, the aux loops, and their controls.)
INSERT
JACK
INSERT
JACK
Figure 1: Connecting an external signal processor to the insert jack of the
mixer via the processor's insert jack:
INPUT
JACK
Figure 2: Connecting an external signal processor to the insert jack of the mixer
via the processor's input/output jacks:
OUTPUT
JACK
Stereo 1/4"
T/R/S cable
INSERT
JACK
(TIP = RETURN,
RING = SEND,
SLEEVE = GROUND)
INPUT
JACK
Figure 3: Connecting an external signal processor to the mixer's aux loop:
(Stereo processor with left/right output jacks)
AUX 3/
AUX 4
SEND
JACK
AUX 3/
AUX 4
RETURN
JACK
RIGHT
OUTPUT
JACK
LEFT
OUTPUT
JACK
(TIP = LEFT,
RING = RIGHT,
SLEEVE = GROUND)
INPUT
JACK
Figure 4: Connecting an external signal processor to the mixer's aux loop:
(Stereo processor with stereo output jack)
AUX 3/
AUX 4
SEND
JACK
AUX 3/
AUX 4
RETURN
JACK
STEREO
OUTPUT
JACK
(TIP = LEFT,
RING = RIGHT,
SLEEVE = GROUND)
Mono 1/4"
T/S cable
Mono 1/4"
T/S cable
Crate #CYC6MS
insert adapter cable
Crate #CYC6MS
insert adapter cable
Stereo 1/4"
T/R/S cable
(See your Crate Pro Audio dealer for the CYC6MS adapter cable.)
9
STEREO
POWER AMP
(SPA1400, etc.)
HOUSE
SPEAKERS
(PS115HD,
PS215HDT,
etc.)
DUAL
GRAPHIC EQ
(LS3231,
LS2215)
CSM8/12/16/24
CH.1
INPUT
CH.2
INPUT
CH.1
OUTPUT
CH.2
OUTPUT
CH.1
OUTPUT
CH.2
OUTPUT
CH.1
INPUT
RL
(PAN FULL
LEFT)
(PAN FULL
RIGHT)
CH.2
INPUT
MONITOR
SPEAKERS
(M112HD,
M115HD, etc.)
MIX
BALANCED
OUTPUT
AUX 1
SEND
A
B D
C
Applications: Basic Mono Operation:
This setup shows one way of using the mixer and one stereo power amplifier to run both the house speakers and the stage
monitors. Two mono power amplifiers may be used in place of the one stereo amplifier.
Connect the components as follows:
(A) Connect a balanced or unbalanced signal cable between the mixer’s Mix Balanced Output and the power amplifier’s
Channel 1 Input.
(B) Connect a speaker cable between the power amplifier’s Channel 1 Outputs and the house speakers’ Inputs.
(C) Connect an unbalanced signal cable between the mixer’s Aux 1 Send and the power amplifier’s Channel 2 Input.
(D) Connect a speaker cable between the power amplifier’s Channel 2 Outputs and the monitor speakers’ Inputs.
(Note the optional use of a graphic equalizer in-line with the connections between the mixer and the power amplifier as shown below.)
Controlling The Mixer’s Output Levels:
• Monitors: Use the Aux 1 master slider (#30, page 6) to set the level of the output signal for the monitors.
• Mains (House Speakers): Use the Mix master slider (#32, page 6) to set the level of the output signal for the house speakers.
NOTE: The Mix output is a combination of the left and right channels. Therefore, the Left and Right master sliders (#31,
page 6) must be set so a signal of sufficient strength is available for the Mix master slider. Use the LED Output Meters
(#21, page 5) to visually monitor the output signal levels of the left and right channels.
Please note that the sample connections
shown in the Applications sections are
only guidelines. They are intended to
provide a starting point from which you
may assemble a system that will best suit
your particular needs.
Also note that the models referenced for
additional equipment are only suggestions. Your Crate Pro Audio dealer can
assist you in selecting the components
best suited for your sound system.
CSM8/12/16/24 Console Mixer
10
CSM8/12/16/24 Console Mixer
STEREO
POWER AMP
(SPA1400, etc.)
HOUSE
SPEAKERS
(PS115HD,
PS215HDT,
etc.)
DUAL
GRAPHIC EQ
(LS3231,
LS2215)
CSM8/12/16/24
CH.1
INPUT
CH.2
INPUT
CH.1
OUTPUT
CH.2
OUTPUT
CH.1
OUTPUT
CH.2
OUTPUT
CH.1
INPUT
RL
(PAN FULL
LEFT)
(PANS AS NEEDED)
(PAN FULL
RIGHT)
CH.2
INPUT
MONITOR
SPEAKERS
(M112HD,
M115HD, etc.)
LEFT
BAL.
OUT
RIGHT
BAL.
OUT
AUX1
SEND
AUX2
SEND
CH.1
OUTPUT
CH.2
OUTPUT
STEREO
POWER AMP
(SPA1400, etc.)
DUAL
GRAPHIC EQ
(LS3231,
LS2215)
CH.1
INPUT
CH.2
INPUT
CH.1
OUTPUT
CH.2
OUTPUT
CH.1
INPUT
CH.2
INPUT
A
B
D
C
Applications: Basic Stereo Operation:
This setup shows one way of using the mixer and two stereo power amplifiers to run the system. By using both Aux 1 and 2
for monitor sends, a separate monitor mix can be had for each of two sets of monitor speakers.
Connect the components as follows:
(A) Connect a balanced or unbalanced signal cable between the mixer’s Left Balanced Output and the house power ampli-
fier’s Channel 1 Input. Connect the Right Balanced Output and the Channel 2 input in the same manner.
(B) Connect a speaker cable between the house power amplifier’s Channel 1 Outputs and the left house speakers’ Inputs.
Connect the Channel 2 Outputs to the right house speaker in the same manner.
(C) Connect an unbalanced signal cable between the mixer’s Aux 1 Send and the monitor power amplifier’s Channel 1
Input. Connect the Aux 2 Send to the Channel 2 input in the same manner.
(D) Connect a speaker cable between the monitor power amplifier’s Channel 1 Outputs and one set of monitor speakers’
Inputs. Connect the Channel 2 Outputs to the other set of monitors in the same manner.
(Note the optional use of graphic equalizers in-line with the connections between the mixer and the power amplifiers as shown below.)
Controlling The Mixer’s Output Levels:
• Monitors: Use the Aux 1 master slider (#30, page 6) to set the level of the output signal for one set of monitors and the
Aux 2 Send Level (#24, page 6) to set the level of the output signal for the other set of monitors.
• Mains (House Speakers): Use the Left and Right master sliders (#31, page 6) to set the levels of the output signals for the
house speakers.
• Channels: Use the channel Pan controls (#11, page 4) to adjust the level of the signal sent to the left or right outputs. Use
the Aux 1 and Aux 2 controls (#9, page 4) to adjust the mix of the signals sent to the monitors.
11
CSM8/12/16/24 Console Mixer
Applications: DJ Setup:
This setup shows one way of using the mixer and one stereo power amplifier to run the house speakers for a mobile DJ
setup. Two mono power amplifiers may be used in place of the one stereo amplifier.
Connect the components as follows:
(A) Connect a balanced or unbalanced signal cable between the mixer’s Left Balanced Output and the house power ampli-
fier’s Channel 1 Input. Connect the Right Balanced Output and the Channel 2 input in the same manner.
(B) Connect a speaker cable between the house power amplifier’s Channel 1 Outputs and the left house speakers’ Inputs.
Connect the Channel 2 Outputs to the right house speaker in the same manner.
(Note the optional use of a graphic equalizer in-line with the connections between the mixer and the power amplifier as shown below.)
CSM8/12/16/24
RL RL
RL
(PAN FULL
LEFT)
(PAN FULL
RIGHT)
(PAN FULL
LEFT)
(PAN FULL
RIGHT)
(PAN FULL
LEFT)
(PAN FULL
RIGHT)
STEREO
POWER AMP
(SPA1400, etc.)
HOUSE
SPEAKERS
(PS115HD,
PS215HDT,
etc.)
DUAL
GRAPHIC EQ
(LS3231,
LS2215)
CH.1
INPUT
CH.2
INPUT
CH.1
OUTPUT
CH.2
OUTPUT
CH.1
OUTPUT
CH.2
OUTPUT
CH.1
INPUT
CH.2
INPUT
LEFT
BAL.
OUT
RIGHT
BAL.
OUT
A
B
Controlling The Mixer’s Output Levels:
• Mains (House Speakers): Use the Left and Right master sliders (#31, page 6) to set the levels of the output signals for the
house speakers.
• Channels: Use the channel Pan controls (#11, page 4) to determine which channel signals are sent to the left and/or right
outputs.
12
CSM8/12/16/24 Console Mixer
Applications: House of Worship Installation:
This setup shows one way of using the mixer and one stereo power amplifier to run both the house speakers and the stage
monitors. Two mono power amplifiers may be used in place of the one stereo amplifier.
Connect the components as follows:
(A) Connect a balanced or unbalanced signal cable between the mixer’s Left Balanced Output and the house power ampli-
fier’s Channel 1 Input. Connect the Right Balanced Output and the Channel 2 input in the same manner.
(B) Connect a speaker cable between the house power amplifier’s Channel 1 Outputs and the left house speakers’ Inputs.
Connect the Channel 2 Outputs to the right house speaker in the same manner.
(C) Connect an unbalanced signal cable between the mixer’s Aux 1 Send and the monitor power amplifier’s Input.
(D) Connect a speaker cable between the monitor power amplifier’s Outputs and the monitor speakers’ Inputs.
(E) Connect an unbalanced signal cable between the mixer’s Aux 2 Send and the radio feed for broadcasting purposes.
(Note the optional use of graphic equalizers in-line with the connections between the mixer and the power amplifiers as shown below.)
STEREO
POWER AMP
(SPA1400, etc.)
HOUSE
SPEAKERS
(PS115HD,
PS215HDT,
etc.)
DUAL
GRAPHIC EQ
(LS3231,
LS2215)
CSM8/12/16/24
CH.1
INPUT
CH.2
INPUT
CH.1
OUTPUT
CH.2
OUTPUT
CH.1
OUTPUT
CH.2
OUTPUT
CH.1
INPUT
(PAN FULL
LEFT)
(PANS AS NEEDED)
(PAN FULL
RIGHT)
(PAN FULL
LEFT)
(PAN FULL
RIGHT)
CH.2
INPUT
MONITOR
SPEAKERS
(M112HD,
M115HD, etc.)
LEFT
BAL.
OUT
RIGHT
BAL.
OUT
AUX1
SEND
AUX2
SEND
MONO
OUTPUT
MONO
POWER AMP
(SPA1400, etc.
in Bridged Mode)
GRAPHIC EQ
(LS1131,etc.)
INPUT
OUTPUT
MONO
INPUT
A
B
D
E
C
RL
PULPIT MIC, LAVALIER MIC, INSTRUMENTS,
VOCAL MICS
RADIO FEED
RL
Controlling The Mixer’s Output Levels:
• Monitors: Use the Aux 1 master slider (#30, page 6) to set the level of the output signal for the monitors.
• Mains (House Speakers): Use the Left and Right master sliders (#31, page 6) to set the levels of the output signals for the
house speakers.
• Channels: Use the channel Pan controls (#11, page 4) to determine which channel signals are sent to the left and/or right
outputs.
• Radio Feed: Use the channels’ Aux 2 controls (#9, page 4) and the master Aux 2 Send control (#24, page 6) to set the levels of the signal sent to the radio feed, if broadcasting.
13
CSM8/12/16/24 Console Mixer
Applications: Separating Vocals and Instruments:
This setup shows one way of using the mixer, one stereo and one mono power amplifier to run the system. Two sets of
house speakers are required in this application: one for the vocals, the other for the instruments.
Connect the components as follows:
(A) Connect a balanced or unbalanced signal cable between the mixer’s Left Balanced Output and the house power ampli-
fier’s Channel 1 Input. Connect the Right Balanced Output and the Channel 2 input in the same manner.
(B) Connect a speaker cable between the house power amplifier’s Channel 1 Outputs and the “instruments” house speak-
ers’ Inputs. Connect the Channel 2 Outputs to the “vocals” house speaker in the same manner.
(C) Connect an unbalanced signal cable between the mixer’s Aux 1 Send and the monitor power amplifier’s Input.
(D) Connect a speaker cable between the monitor power amplifier’s Channel 1 Outputs and the monitor speakers’ Inputs.
(Note the optional use of graphic equalizers in-line with the connections between the mixer and the power amplifiers as shown below.)
STEREO
POWER AMP
(SPA1400, etc.)
HOUSE
SPEAKERS
(PS115HD,
PS215HDT,
etc.)
VOCALSINSTRUMENTS
DUAL
GRAPHIC EQ
(LS3231,
LS2215)
CSM8/12/16/24
CH.1
INPUT
CH.2
INPUT
CH.1
OUTPUT
CH.2
OUTPUT
CH.1
OUTPUT
CH.2
OUTPUT
CH.1
INPUT
(PAN FULL
LEFT)
(PAN FULL
LEFT)
(PAN FULL
LEFT)
(PAN FULL
LEFT)
(PAN FULL
RIGHT)
(PAN FULL
RIGHT)
(PAN FULL
RIGHT)
(PAN FULL
RIGHT)
CH.2
INPUT
MONITOR
SPEAKERS
(M112HD,
M115HD, etc.)
LEFT
BAL.
OUT
RIGHT
BAL.
OUT
AUX1
SEND
MONO
OUTPUT
MONO
POWER AMP
(SPA1400, etc.
in Bridged Mode)
GRAPHIC EQ
(LS1131,etc.)
INPUT
OUTPUT
MONO
INPUT
A
B
D
C
VOCAL MICS INSTRUMENTS
Controlling The Mixer’s Output Levels:
• Monitors: Use the Aux 1 master slider (#30, page 5) to set the level of the output signal for the monitors.
• Mains (House Speakers): Use the Right master slider (#31, page 6) to set the level of the output signal for the house
“vocal” speakers. Use the Left master slider (#31, page 6) to set the level of the output signal for the “instrument” house
speakers.
• Channels: Use the channel Pan controls (#11, page 4) to send the vocal channels to the right channel only and the instrument channels to the left channel only.
14
CSM8/12/16/24 Console Mixer
System Block Diagram:
LEFT
FADER
AUX 1
FADER
HEADPHONES
LEVEL
LEFT
RIGHT
AUX 1
AUX 2
AUX 3
AUX 4
PFL
MIX
AUX 3
RETURN
R
T
PAN
PFL LEFT
AUX 3
RETURN
AUX 4
RETURN
R
T
PAN
BA
BA
AUX 3
RETURN
PAN
BA
BA
BA
LEFT
TAPE IN
BA
RIGHT
TAPE IN
LEFT
OUT
(BAL.)
LEFT
OUT
(BAL.)
R
T
LEFT
TAPE OUT
RIGHT
TAPE OUT
LA
LA
LA
RIGHT
FADER
LA
MIX
FADER
LA
SUM
PFL RIGHT
SUM
PFL MIX
SUM
SUM
SUM
RIGHT
OUT
(BAL.)
RIGHT
OUT
(BAL.)
R
T
PFL
OUT
R
T
HEAD
PHONES
OUT
R
T
AUX 1
SEND
AUX 2
LEVEL
SUM
AUX 2
SEND
AUX 3
LEVEL
SUM
AUX 3
SEND
AUX 4
LEVEL
SUM
AUX 4
SEND
LA
MIX
OUT
(BAL.)
MIX
OUT
(BAL.)
R
T
LA
LA
LA
LA
LA
LED DISPLAY
SELECT SWITCH
LEFT LED
DISPLAY &
PEAK LED
RIGHT LED
DISPLAY &
PEAK LED
GAIN
AUX 1
AUX 2
AUX 3
AUX 4
MUTE
CHANNEL
FADER
HIGH MID LOW
LOW Z
HIGH Z
R
T
TYPICAL
INPUT
CHANNEL
INSERT
R
T
PHANTOM
POWER
+48V
ON OFF
HA
PEAK/
SIGNAL
EQ
PFL
PAN
BA
CSM8/12/16/24 Console Mixer
Gain Level Diagram:
+30
+10
+20
-10
0
-20
-40
-30
-60
-50
-70
-120 NOISE FLOOR -120dB
dB
MAX MIC +13dB
MAX LINE +26dB
+21dB+21dB
MAIN OUT
+4dB
+15dB
+3dB
-17dB
-23dB
-13dB
-7dB
MAX. INPUT - SET GAIN AS NECESSARY
ALL LEVELS @NOMINAL,
GAINS @"10"
FULL GAIN
MIC -49dB
MIC -72dB
LINE -35dB
LINE -55dB
MIC
LINE
FADER
PAN
INSERT
GAIN
MASTER
FADER
EQ
15
www.crateamps.com
©1999 SLM Electronics, Inc. • A Division of St. Louis Music, Inc.
1400 Ferguson Avenue • St. Louis, MO 63133
18-024-01 • 10/99
CSM8/12/16/24 Console Mixer
Technical Specifications
Due to ongoing product development and improvement, the specifications
contained herein are subject to change without notice.
SYSTEM INPUTS
CSM8 8 mono mic/line input channels
CSM12 12 mono mic/line input channels
CSM16 16 mono mic/line input channels
CSM24 24 mono mic/line input channels
All models 2 stereo effects returns
1 stereo tape input
INPUT CHANNELS
Low-Z Mic 1 3-pin “XLR” (balanced, pin 2 = “in phase”)
Transformerless electronically balanced
1k ohm load impedance
High-Z Line 1 1/4” phone jack (balanced)
10k ohm load impedance
EQUIVALENT INPUT NOISE
Typically -127dB @ 20 - 12k equivalent bandwidth unweighted
with 200 ohm source impedance
COMMON MODE REJECTION
Typically -90dB min., -70dB @ 50Hz
PEAK INDICATOR Indicates point of clipping
MAXIMUM SIGNAL ACCEPTED
Low-Z Mic 3.46V RMS (13dBv)
High-Z Line 15.9V RMS (26dBv)
CHANNEL GAIN
Typically 65dB adjustment range
CHANNEL INPUT SENSITIVITY
Low-Z Mic All levels up: 8.7mV RMS max. (43dB gain)
Channel up only: 2.7mV RMS max. (53dB gain)
Gain, channel fader, master fader at max:
.28mV. max. (76dB gain)
High-Z Line All levels up: 87mV RMS max. (23dB gain)
Channel up only: 27mV RMS max. (33dB gain)
Gain, channel fader, master fader at max:
28mV. max. (59dB gain)
CHANNEL EQ (ACTIVE)
High +/-15dB @ 10kHz shelving
Mid +/-15dB @ 2kHz bandpass
Low +/-15dB @ 100Hz shelving
AUX RETURNS 3 & 4
1/4” stereo phone jacks 22k ohm input impedance
Max. Sensitivity -26dBv (80mV RMS)
Max. Input Accepted +30dBv (24.5V RMS)
TAPE INS / TAPE OUTS
RCA jacks 47k ohm input impedance
+4dBv (1.23V RMS) @ High-Z nominal output
Max. Sensitivity -10dBv (.245V RMS)
Max. Input Accepted +30dBv (24.5V RMS)
AUX SEND
1/4” phone jacks +4dBv (1.23V RMS) @ High-Z nominal output
PHANTOM POWER
+48VDC applied to pins 2 and 3 of XLR inputs
LEFT & RIGHT OUTPUTS
Unbalanced out @ 10k ohm load impedance
Balanced @ 3k ohm load impedance
+4dBv (1.23V RMS) nominal output
18dBv (6V RMS) max. output
DUAL OUTPUT LED/PEAK INDICATORS
Type 11 LED quasi-peak
Calibration Calibrated to indicate +4dBv @ 8th LED
Range -14dBv to +20dBv
Signals Read Left and Right Main Outs or Aux 1 and Mix
RESIDUAL NOISE
90dB below 1.23V RMS min. with all levels down
70dB below 1.23V RMS with Master Level up full and one channel up full
TOTAL HARMONIC DISTORTION
< 0.1% @ 1kHz input @ 5V RMS output (typically 0.05%) measured from Mic In to Main Out (EQ flat) with Master @ nominal
“0” setting (-10dB from max. gain), and Gain and Channel Level
at max. (At lower input signal levels, measurement is limited by
the noise floor)
SIZE AND WEIGHT
CSM8 20.25” W x 4.25” H x 16.5” D, 21 lbs
(514mm x 108mm x 419mm, 9.5kg)
CSM12 25.13” W x 4.25” H x 16.5” D, 25 lbs
(638mm x 108mm x 419mm, 11.4kg)
CSM16 29.75” W x 4.25” H x 16.5” D, 30 lbs
(756mm x 108mm x 419mm, 13.6kg)
CSM24 40.75” W x 4.25” H x 16.5” D, 39 lbs
(1035mm x 108mm x 419mm, 17.7kg)
POWER REQUIREMENTS
120VAC 1A
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