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CX MONO MIXERS

CX420 and CX630

OPERATION MANUAL

Manual No. 76-00630

Revision 1.1

Made in USA

1-800-854-2235

CX630

6

6

5

5

4

4

3

3

2

2

1

1

MON

LEVEL

MIC

5

4

3

2

1

0

10

9

8

7

6

EFF

REV

20

LINE

HI

MID

LOW

0

3

6

12

3

6

9

9

12

dB

5

4

3

2

1

0

10

9

8

7

6

5

4

3

2

1

0

10

9

8

7

6

0

3

6

12

3

6

9

9

12

0

3

6

12

3

6

9

9

12

MON

LEVEL

MIC

5

4

3

2

1

0

10

9

8

7

6

EFF

REV

20

LINE

HI

MID

LOW

0

3

6

12

3

6

9

9

12

dB

5

4

3

2

1

0

10

9

8

7

6

5

4

3

2

1

0

10

9

8

7

6

0

3

6

12

3

6

9

9

12

0

3

6

12

3

6

9

9

12

MON

LEVEL

MIC

5

4

3

2

1

0

10

9

8

7

6

EFF

REV

20

LINE

HI

MID

LOW

0

3

6

12

3

6

9

9

12

dB

5

4

3

2

1

0

10

9

8

7

6

5

4

3

2

1

0

10

9

8

7

6

0

3

6

12

3

6

9

9

12

0

3

6

12

3

6

9

9

12

MON

LEVEL

MIC

5

4

3

2

1

0

10

9

8

7

6

EFF

REV

20

LINE

HI

MID

LOW

0

3

6

12

3

6

9

9

12

dB

5

4

3

2

1

0

10

9

8

7

6

5

4

3

2

1

0

10

9

8

7

6

0

3

6

12

3

6

9

9

12

0

3

6

12

3

6

9

9

12

MON

LEVEL

MIC

5

4

3

2

1

0

10

9

8

7

6

EFF

REV

20

LINE

HI

MID

LOW

0

3

6

12

3

6

9

9

12

dB

5

4

3

2

1

0

10

9

8

7

6

5

4

3

2

1

0

10

9

8

7

6

0

3

6

12

3

6

9

9

12

0

3

6

12

3

6

9

9

12

MON

LEVEL

MIC

5

4

3

2

1

0

10

9

8

7

6

EFF

REV

20

LINE

HI

MID

LOW

0

3

6

12

3

6

9

9

12

dB

5

4

3

2

1

0

10

9

8

7

6

5

4

3

2

1

0

10

9

8

7

6

0

3

6

12

3

6

9

9

12

0

3

6

12

3

6

9

9

12

GRAPHIC EQ

0

8

4

4

8

–12

+12

125

250

500

63

1K

2K

4K

8K

16K

MAIN

PHANTOM

MONITOR

REVERB

EFF SEND

TAPE   EFF RTN

TAPE RETURN

TAPE SEND

SEND

MONITOR

MAIN

AMP PATCH

EFFECTS

RETURN

POWER

2

8

0

10

1

9

5

6

4

7

3

5

4

3

2

1

0

10

9

8

7

6

5

4

3

2

1

0

10

9

8

7

6

5

4

3

2

1

0

10

9

8

7

6

0

5

4

3

2

1

10

9

8

7

6

HELPLINE

1-800-854-2235

8:30 To 4:30 Monday-Friday

Pacific Standard Time

USA

Record the serial number of your CX Mixer in the space provided below:

Serial No._________________   Invoice Date________________

12340 World Trade Drive

San Diego, CA  92128

619-487-1600

Summary of Contents for CX420

Page 1: ... 6 5 4 3 2 1 0 10 9 8 7 6 0 3 6 12 3 6 9 9 12 0 3 6 12 3 6 9 9 12 MON LEVEL MIC 5 4 3 2 1 0 10 9 8 7 6 EFF REV 20 LINE HI MID LOW 0 3 6 12 3 6 9 9 12 dB 5 4 3 2 1 0 10 9 8 7 6 5 4 3 2 1 0 10 9 8 7 6 0 3 6 12 3 6 9 9 12 0 3 6 12 3 6 9 9 12 MON LEVEL MIC 5 4 3 2 1 0 10 9 8 7 6 EFF REV 20 LINE HI MID LOW 0 3 6 12 3 6 9 9 12 dB 5 4 3 2 1 0 10 9 8 7 6 5 4 3 2 1 0 10 9 8 7 6 0 3 6 12 3 6 9 9 12 0 3 6 12...

Page 2: ... interest of creating new products and improving existing ones Carvin is continually researching the latest state of the art audio design methods and modern packaging and production techniques Thus Carvin reserves the right to make changes in its products and specifications without notice or obligation 1 800 854 2235 619 487 1600 M F 8 to 4 30 INSPECT YOUR CX MIXER FOR ANY DAMAGE which may have oc...

Page 3: ...udio Amp 60 72940 U2 100V 100W DMOS Audio Amp 60 72940 All B Reference Designators are 0 ohm jumpers If you re like most new owners you re probably in a hurry to plug your CX mixer in and use it Here are some brief instructions to get you going quickly With the mixer unplugged and turned off complete the following procedures 1 CONNECTING AC POWER TO YOUR MIXER Check the rear panel to make sure the...

Page 4: ...cies from 10kHz and up to the upper limit of the mixer are all boosted when the knob is turned clockwise and cut when turned counter clockwise from the center position The MID control is a band pass type of tone control with the center frequency set at 1 5KHz The band pass means a middle section of frequences centered around 1 5kHz but not over lapping the HI and LO controls is boosted when the kn...

Page 5: ...UT jack is where the MONITOR master level control s signal can be accessed This is a line level output and can be used to drive an external power amplifier or it can be plugged into the AMP PATCH jack to drive the graphic EQ and the internal power amplifier 7 MAIN LINE OUT JACK The MAIN LINE OUT jack is the post EQ output jack for the main mix This out put is the same signal that is being feed to ...

Page 6: ...l for what they do 1 INPUT CONNECTIONS FROM THE STAGE For live sound reinforcement or public address systems P A Systems the input signals to the mixer will come from the microphones and instruments on the stage Each microphone or instrument to be amplified by the P A system must be connected to one of the mixer s inputs It is preferred to have as many of the stage instruments as possible plugged ...

Page 7: ...he type described in the operating instructions or as marked on the appliance GROUNDING OR POLARIZATION Precautions should be taken so that the grounding or polarization means of an appliance is not defeated POWER CORD PROTECTION Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them paying particular attention to cords at pl...

Page 8: ...TURES 3 4 MASTER SECTION FEATURES 5 7 SETTING UP YOUR SOUND SYSTEM 8 10 SAMPLE PA SYSTEM CONFIGURATIONS 11 12 TAPE DECKS AND EXTERNAL EFFECTS 13 SPEAKER CONNECTIONS 14 BLOCK DIAGRAM 15 CX MIXER PARTS LIST 16 17 CX MIXER TECHNICAL SPECIFICATIONS 18 FUSE SELECTIONS 18 WARRANTY INFORMATION 19 CX MIXER SPECIFICATIONS TABLE OF CONTENTS Fuse Selector Chart for 120 VAC Models Model Fuse Value Carvin Size...

Page 9: ...d PC Vert MTG 21 40022 J4 Jack 1 4 3Pin Plastic 24mm 21 06453 J5 Not Assigned J6 Jack 1 4 3Pin Plastic 24mm 21 06453 J7 Jack 1 4 3Pin Plastic 24mm 21 06453 J8 Jack 1 4 3Pin Plastic 24mm 21 06453 J9 Jack 1 4 3Pin Plastic 24mm 21 06453 J10 Jack 1 4 3Pin Plastic 24mm 21 06453 J11 Jack 1 4 3Pin Plastic 24mm 21 06453 P1 Pot 12x35mm D B50K C 71 13057 P2 Pot 12x35mm D B50K C 71 13057 P3 Pot 12x35mm D B50...

Page 10: ... for the main mix heard at the RCA tape send outputs If the amp patch jack is not being used then this is also the master volume control feeding the graphic EQ the main line output jacks and the internal power amplifier 2 MONITOR MASTER LEVEL CONTROL The MONITOR master control is the master volume for the monitor mix This volume control receives its signals from the channel MONITOR level controls ...

Page 11: ...in the channel s XLR jack This power is used for supplying a bias voltage to con denser microphones The LED indicates the phantom power is turned on The phantom power will not damage dynamic microphones 12 THE GRAPHIC EQUALIZER Each mixer has a nine band graphic EQ equalizer The graphic EQ is dedicat ed to the main output following or post the amp patch jack of the mixer The 9 band Graphic EQ prov...

Page 12: ...ne plug type from an instrument is needed to be plugged into the snake or directly into the LINE input of the mixer This can be accomplished by a high to low impedance adapter or a Direct box both are available from Carvin or other electronics out lets Once all the input cables to the mixer have been connected properly label the channels Verify that all the connections are good and that all mics a...

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