Carvin CX630, CX420 Owner's Manual

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HELPLINE

1-800-854-2235

8:30 To 4:30 Monday-Friday

Pacific Standard Time

USA

12340 World Trade Drive

San Diego, CA 92128

619-487-1600

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

CX MONO MIXERS

CX630

				6
HI	HI	HI	HI	0	3
			3		3
			6		6
			9		9
			12		12
			3	0	3
			6		6
			9		9
			12		12
			3	0	3
			6		6
			9		9
			12		12
			EFF	5	6
			REV 4	5	6
			3		7
			2		8
			1		9
			0		10
			4	5	6
			3		7
			2		8
			1		9
			0		10
			4	5	6
			3		7
			2		8
			1		9
			0		10
					20
			LEVEL dB
				6
				MIC

				GRAPHIC EQ
+12
8
4
0
4
8
–12
63	125	250	500	1K	2K	4K	8K	16K

							CX630
MAIN
4	5	6
3		7
2		8
1		9	PHANTOM			POWER
0		10	PHANTOM
4	5	6	4	5	6		TAPE SEND
3		7	3		7		TAPE SEND
2		8	2		8
1		9	1		9
0		10	0		10
MONITOR			REVERB
4	5	6	4	5	6
3		7	3		7
2		8	2		8
1		9	1		9		TAPE RETURN
0		10	0		10		TAPE RETURN
EFF SEND			TAPE EFF RTN
SEND			RETURN			AMP PATCH	MONITOR	MAIN

LINE

EFFECTS

OPERATION MANUAL

Manual No. 76-00630

Revision 1.1

Made in USA

Serial No._________________ Invoice Date________________	1-800-854-2235

WARRANTY AND SERVICE INFORMATION

EXTENDED WARRANTY

An extended warranty is available beyond the normal one year period. Please call 1-800-854- 2235 for more information.

LIMITED WARRANTY

Your Carvin Professional Series Product is guaranteed against failure for ONE YEAR. Carvin will service the unit and supply all parts at no charge to the customer provided the unit is under warranty. CARVIN DOES NOT PAY FOR PARTS OR SERVICING OTHER THAN OUR OWN. This warranty is extended to the original purchaser only and is not transferable. THIS WARRANTY DOES NOT INCLUDE FAILURES CAUSED BY INCORRECT USE, INADEQUATE CARE OF THE UNIT, OR NATURAL DISASTERS. A COPY OF THE ORIGINAL

INVOICE IS REQUIRED TO VERIFY YOUR WARRANTY. Carvin takes no responsibility for any horn driver or speaker damaged by this unit. This warranty is in lieu of all other warranties, expressed or implied. No representative or person is authorized to represent or assume for Carvin any liability in connection with the sale or servicing of Carvin products. No liability is assumed for damage due to accident, abuse, lack of reasonable care, loss of parts, or failure to follow Carvin’s directions. CARVIN SHALL NOT BE LIABLE FOR INCIDENTAL OR CON-

SEQUENTIAL DAMAGES.

In the 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

which may have occurred the shipping company and call

. In the event you have to and packing material. This will during shipment. CARVIN and damage caused by improper pack-

for warranty servicing of your unit. have received.

items missing, it may be that they days for the rest of your order to allowing an appropriate amount of

ordered, please call CARVIN.

FOR THE NEW OWNER

Congratulations on your selection of CARVIN products: “The Professional’s Choice.” Your new CX series mixer demonstrates CARVIN’s commitment to producing the highest quality and most sophisticated engineering in the audio industry today. Its wide acceptance and use by industry professionals illustrates the basis for CARVIN’s recognition as “The Professional’s Choice.”

The CX series mixers were designed with the desire to pack as many high performance features into the smallest package we could, without sacrificing the quality of any one of the features or the mixer. The CX630 features a full function 6 channel mixer, a nine band graphic equalizer and a 200 Watt power amplifier (100 Watts per speaker output into 8 ohms). The CX420 is a 4 channel version of the CX630 with a 150 Watt power amplifier (75 Watts per speaker output into 8 ohms). Each CX series mixer is the size of a 5 space rackmount unit, surrounded by a 3/4” poplar plywood cabinet covered with Duratuff™ carpeting, making the CX mixer road worthy and ready for a show anywhere.

If you would like to comment on any features or the performance of your new mixer, please feel free to contact us. Comments from our customers have helped us to improve and further develop our products and our business.

May you enjoy many years of success and fun with your new CARVIN mixer!

Carvin’s toll free number: 800-854-2235

R16	Resistor, 10K, 1/4W, ±5%	50-10045
R17	Resistor, 10K, 1/4W, ±5%	50-10045
R18	Resistor, 4.70K, 1/4W, ±5%	50-47035
R19	Resistor, 4.70K, 1/4W, ±5%	50-47035
R20	Resistor, 22Ω , 1/2W, ±5%	52-22015
R21	Resistor, 22Ω , 1/2W, ±5%	52-22015
R30	Resistor, 47K, 1/4W, ±5%	50-47045
R31	Resistor, 2.2K, 1/4W, ±5%	50-22035
R32	Resistor, 33K, 1/4W, ±5%	50-33045
R33	Resistor, 27K, 1/4W, ±5%	50-27045
R34	Resistor, 33K, 1/4W, ±5%	50-33045
R35	Resistor, 10K, 1/4W, ±5%	50-10045
R36	Resistor, 10K, 1/4W, ±5%	50-10045
R37	Resistor, 10K, 1/4W, ±5%	50-10045
R38	Resistor, 10K, 1/4W, ±5%	50-10045
R39	Jumper, 0Ω , Carbon, 0	50-00035
R40	Jumper, 0Ω , Carbon, 0	50-00035
R41	Resistor, 150K, 1/4W, ±5%	50-15055
R42	Resistor, 470Ω , 1/4W, ±5%	50-47025
R43	Resistor, 470Ω , 1/4W, ±5%	50-47025
R44	Resistor, 150K, 1/4W, ±5%	50-15055
R45	Resistor, 470Ω , 1/4W, ±5%	50-47025
R46	Resistor, 33K, 1/4W, ±5%	50-33045
R47	N/U
R48	Jumper, 0Ω , Carbon, 0	50-00035
R49	Resistor, 150K, 1/4W, ±5%	50-15055
R50	Resistor, 470Ω , 1/4W, ±5%	50-47025
R51	Resistor, 4.70K, 1/4W, ±5%	50-47035
R52	Resistor, 47K, 1/4W, ±5%	50-47045
R53	Resistor, 100Ω , 1/4W, ±5%	50-10025
R54	Resistor, 150K, 1/4W, ±5%	50-15055
R55	Resistor, 10K, 1/4W, ±5%	50-10045
R60	Resistor, 2.4K, 1/4W, ±5%	50-24035
R61	Resistor, 150K, 1/4W, ±5%	50-15055
R62	Resistor, 2.2K, 1/4W, ±5%	50-22035
R63	Resistor, 220K, 1/4W, ±5%	50-22055
R64	Resistor, 2.2K, 1/4W, ±5%	50-22035
R65	Resistor, 300K, 1/4W, ±5%	50-30055
R66	Resistor, 2.4K, 1/4W, ±5%	50-24035

R67	Resistor, 180K, 1/4W, ±5%	50-18055
R68	Resistor, 2.2K, 1/4W, ±5%	50-22035
R69	Resistor, 360K, 1/4W, ±5%	50-36055
R70	Resistor, 2.0K, 1/4W, ±5%	50-20035
R71	Resistor, 130K, 1/4W, ±5%	50-13055
R72	Resistor, 2.2K, 1/4W, ±5%	50-22035
R73	Resistor, 110K, 1/4W, ±5%	50-11055
R74	Resistor, 2.2K, 1/4W, ±5%	50-22035
R75	Resistor, 110K, 1/4W, ±5%	50-11055
R76	Resistor, 1.8K, 1/4W, ±5%	50-18035
R77	Resistor, 91K, 1/4W, ±5%	50-91045
R78	Resistor, 10K, 1/4W, ±5%	50-10045
R79	Resistor, 150K, 1/4W, ±5%	50-15055
R80	Resistor, 470Ω , 1/4W, ±5%	50-47025
R81	Resistor, 4.70K, 1/4W, ±5%	50-47035
R82	Resistor, 1K, 1/4W, ±5%	50-10035
R83	Resistor, 4.70K, 1/4W, ±5%	50-47035
R90	Resistor, 350Ω , 10W, ±10%	56-35010
R91	Resistor, 350Ω , 10W, ±10%	56-35010
R92	Jumper, 0Ω , Carbon, 0	50-00035
R93	Jumper, 0Ω , Carbon, 0	50-00035
R94	Jumper, 0Ω , Carbon, 0	50-00035
R95	Resistor, 680Ω , 1/4W, ±5%	50-68025
R96	Resistor, 15K, 1/4W, ±5%	50-15045
R97	Resistor, 22K, 1/4W, ±5%	50-22045
R98	Resistor, 22K, 1/4W, ±5%	50-22045
R99	Resistor, 10K, 1/4W, ±5%	50-10045
R100	Resistor, 33K, 1/4W, ±5%	50-33045
R101	Resistor, 680Ω , 1/4W, ±5%	50-68025
R102	Resistor, 15K, 1/4W, ±5%	50-15045
R103	Resistor, 22K, 1/4W, ±5%	50-22045
S1	Switch DPDT Push PC Mtg	25-02201
S4	Switch DPDT Push PC Mtg	25-02201
U1	100V/100W DMOS Audio Amp	60-72940
U2	100V/100W DMOS Audio Amp	60-72940

All “B” Reference Designators are 0 ohm jumpers.

in a hurry to plug your CX mixer to get you going quickly. With the

following procedures:

mixer received uses the proper AC VAC ...etc.)

to prevent a shock hazard. This

speaker jacks on the rear panel. control on the front panel. The and at least 18 gauge(AWG) wire.

gauge wire is recommended. microphone cables,

junction boxes or to. This wire is normal- a substantial loss of in the amplifier. All

	4			5
3
2
				6
				7
1
#	DESCRIPTION	CARVIN #	QTY
5.	Accutronics™ REVERB TANK	70-00821	2	Green	25
6.	SPEAKER JACK PCB	80-0630-3	1	Drk Grey	28
7.	POWER AMP PCB	80-0630-2	1

plug into the balanced

cable.

as Tape Recorders and Keyboards phone shielded cable.

to the off position

Hi, Mid, and Lo and the master 9

switch and watch for the power

MAINTENANCE

To bring back the new look, your CX mixer can be washed with mild detergent and/ or a warm damp soft cloth. This will remove normal dust and oil from the front and back panels. Never spray cleaners or detergents directly at the unit. The mixer’s are virtually sealed from outside dust and dirt, but it is recommended to keep the mixer free from dust, dirt, and moisture as much as possible.

MAIN

LINE OUT

INTERNALTO MONITORPOWERAMP OUTLINE

EFFECTS SEND

1155 IndustrialAve. Escondido,CA92029 619 - 747 - 1710 FAX 747-9065

CX420&630CX

DIAGRAMBLOCK

LEFT OUTTAPE BANDNINE

SENDEFFECTS EFFECTS

LEVELSEND

INTERNALTO TANKREVERB

LEFT PATCHAMP

GAIN STAGE

MAIN LEFT

SUMMING AMP AND LEVEL

MONITOR SUMMING AMP

EFFECTS

SUMMING AMP

EFF

MON

					CHANNEL EFF SND	CHANNEL MONITOR LEVEL	REV. TO	MONITOR
	MIC THREE BAND			CHANNEL	LEVEL	CHANNEL
20dBSWITCHPAD	MIC THREE BAND	PRE	PAD	padline 26dB)-(	HI MID LOW	CHANNEL	FORINTERNAL REVERBTANK	TAPERTN	INPUTEFF
	CHANNELTONE	CONTROLS

6. CHANNEL EFFECTS/REVERB LEVEL CONTROL

The EFF/REV level control adjusts the volume of the channel going to the effects send master control, and the internal reverb tank. The effects control is post channel level. This means adjustments in the channel’s EQ or level controls will be affecting the effects send of that chan-

nel.			1
		H I	0
7-9. CHANNEL TONE CONTROLS	9	3		3
7-9. CHANNEL TONE CONTROLS		6		6
Each channel features three tone controls LO, MID,		9		9
and HI. The LO and HI controls are shelving type		9		9
and HI. The LO and HI controls are shelving type		1 2		1 2
tone controls with corner frequencies at 100Hz and		MID	0
10KHz respectively. The shelving means, the for	8	3		3
10KHz respectively. The shelving means, the for		6		6
the LO control, all frequencies from 100Hz down to		6		6
the LO control, all frequencies from 100Hz down to		9		9
the lowest frequency the mixer can handle are all		9		9
the lowest frequency the mixer can handle are all		1 2		1 2
boosted when the knob is turned clockwise and cut		LOW	0
when turned counter-clockwise from the center		3			3
when turned counter-clockwise from the center		3			3
position. For the HI control the shelving means all	7	6		6
position. For the HI control the shelving means all	7	9		9
the frequencies from 10kHz and up to the upper		9		9
the frequencies from 10kHz and up to the upper		1 2		1 2
limit of the mixer are all boosted when the knob is		EFF	5 6
turned clockwise and cut when turned counter-		REV 4	5 6
clockwise from the center position. The MID control	6	3		7
		2		8
		2		8
is a band pass type of tone control with the center		1		9
		0		1 0

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 knob is turned clockwise and cut when turned counter-clockwise from the center position.

Familarity with the channel tone controls:

The three tone controls can add brightness, clairity, and control to the channel’s input signal. Here are some tonal references for these tone controls.

•LO affects the deep low bass tones and the typical bass tones.

•MID affects all the middle frequencies where the clairty of an average persons spoken voice is mostly heard. Also the MID incompases the louder sometimes harsher tones that can distort the over all sound of the system.

•HI affects the treble tones and very high treble tones bringing brightness and brillance to the channel’s input.

Adjusting:

Use these controls to change the tonal shape of the input signal and in many cases to reduce possible feedback from microphones near the mixer’s output speakers. It is suggested the channel tone controls start out in their center detent position where they do not effect the original incoming signal. Then, if needed, turn the tone controls (boost,turn to the right, or cut, turn to the left) to change the sound.

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