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2-Way, 3-Way

4-Way Crossovers

223/223XL - 234/234XL

5

40 Hz

INPUT

INPUT

LOW CUT

LOW CUT

x10

XOVER FREQ

LOW/MID

LOW/HIGH

LOW OUTPUT

LOW OUTPUT

HIGH OUTPUT

GAIN

dB

-12

-6

+6

0

+12

INPUT

LOW CUT

MID/HIGH

LOW/HIGH

MID OUTPUT

LOW OUTPUT

HIGH OUTPUT

HIGH OUTPUT

40 Hz

x10

XOVER FREQ

GAIN

dB

-12

-6

+6

0

+12

-

GAIN

dB

-30

-10

0

+6

-

GAIN

dB

-30

-10

0

+6

Hz

45

70

350

240

140

960

680

-

GAIN

dB

-10

0

+6

-30

Hz

45

70

350

240

140

960

680

-

GAIN

dB

-10

0

+6

-30

INV

INV

INV

INV

MONO
STEREO

CHANNEL TWO

CHANNEL ONE

1        2       3       4                  5         6   

7    

8

9       10      11     12 13 14       15      16     17  

18

®

S

TEREO

2-W

AY

M

ODE

In 2-way stereo mode the controls are marked BELOW the horizontal blue line.
Channel One and Channel Two functions are identical in the stereo mode. LEDs are disabled for controls
which are non-functional in this mode.

[1] & [5] 

I

NPUT

G

AIN

Controls the INPUT level with +/- 12 dB of gain.

[9] & [15]

L

OW

C

UT

Switch for selecting the 40 Hz high pass filter. An LED indicates
the selection.

[2] & [6]

L

OW

/H

IGH

Selects crossover point between the LOW and HIGH outputs.

[10] & [16]

X

10 LED

Indicates that the LOW/HIGH crossover frequency range is 450
Hz to 9.6 kHz.

[3] & [7]

L

OW

O

UTPUT

Controls the Low Frequency output level with a range of -

to +6

dB.

[11] & [17]

P

HASE

I

NVERT

Switch for reversing the polarity on the Low Output. An LED indi-
cates the selection.

[4] & [8]

H

IGH

O

UTPUT

Controls the High Frequency output with a range of -

to +6 dB.

[12] & [18]

P

HASE

I

NVERT

Switch for reversing the polarity on the High Output. An LED indi-
cates the selection.

[14]

S

TEREO

LED indicating stereo mode operation.

M

ONO

3 -W

AY

M

ODE

In 3-way mono operation the controls are marked ABOVE the horizontal blue line. Front panel controls not
described in this section are not active in mono 3-way mode. LEDs are disabled for controls which are non-
functional in this mode.

[

1]

I

NPUT

G

AIN

Controls the input level with +/- 12 dB of gain.

[9] 

L

OW

C

UT

Switch for selecting the 40 Hz high pass filter. An LED indicates
the selection.

[2]

L

OW

/M

ID

Selects crossover point between LOW and MID frequencies.

[10]

X

10 LED

Indicates that the LOW/MID crossover range is 450 Hz to 9.6 kHz.

[6] 

M

ID

/H

IGH

Selects the crossover point between MID and HIGH frequencies.

[16]

X

10 LED

Indicates that the MID/HIGH crossover frequency range is 450 Hz
to 9.6 kHz

[3]

L

OW

O

UTPUT

Controls the LOW frequency output level with a range of -

to +6

dB.

[11]

P

HASE

I

NVERT

Switch for reversing the polarity on the Low Output. An LED indi-
cates that the phase is reversed.

[7]

M

ID

O

UTPUT

Controls the MID frequency output level with a range of -

to +6

dB.

[17]

P

HASE

I

NVERT

Switch for reversing the polarity on the Mid Output. An LED indi-
cates that the phase is reversed. 

[8] 

H

IGH

O

UTPUT

Controls the HIGH frequency output level with a range of -

to +6

dB.

[18]

P

HASE

I

NVERT

Switch for reversing the polarity on the High Output.  An LED indi-
cates that the phase is reversed. 

[13]

M

ONO

LED indicating mono mode operation.

Note: There are no front panel differences between the 223 and the 223XL. Therefore the

223XL is shown below, representing both the 223 and the 223XL.

dbx 223/223XL Front Panel

Summary of Contents for 223/223XL

Page 1: ...2 Way 3 Way 4 Way Crossovers 223 223XL 234 234XL Operation Manual ...

Page 2: ...qualified service personnel who should refer to the table below The green yellow wire shall be connected directly to the unit s chassis WARNING If the ground is defeated certain fault conditions in the unit or in the system to which it is connected can result in full line voltage between chassis and earth ground Severe injury or death can then result if the chassis and earth ground are touched sim...

Page 3: ...b home page at http www dbxpro com A Harman International Company TABLE OF CONTENTS WARRANTY 2 INTRODUCTION 2 INSPECTION 3 234 234XL FRONT PANEL OPERATION 3 223 223XL FRONT PANEL OPERATION 5 234 234XL 223 223XL REAR PANEL OPERATIONS 6 234 234XL 223 223XL AUDIO CONNECTIONS 7 ELECTRICAL CONNECTIONS 7 FEATURES 7 RACK MOUNTING GROUNDING AND SAFETY 8 TROUBLESHOOTING 9 234 234XL 223 223XL SPECIFICATIONS...

Page 4: ...nty Proof of purchase is considered to be the burden of the consumer 2 dbx warrants this product when bought and used solely within the U S to be free from defects in materials and workmanship under nor mal use and service 3 dbx liability under this warranty is limited to repairing or at our discre tion replacing defective materials that show evidence of defect provid ed the product is returned to...

Page 5: ... for reversing the polarity on the Low Output An LED indicates that the phase is inverted 6 12 HIGH OUTPUT Controls the High frequency output with a range of to 6 dB 17 24 PHASE INVERT Switch for reversing the polarity on the High Output An LED indicates that the phase is inverted 19 STEREO LED indicating stereo mode operation although this control is labeled as LOW MID it operates as the crossove...

Page 6: ...3 PHASE INVERT Switch for reversing the polarity on the Mid Output An LED indicates the selection 6 12 HIGH OUTPUT Controls the High Frequency output with a range of to 6 dB 17 24 PHASE INVERT Switch for reversing the polarity on the High output An LED indicates the selection 19 STEREO LED indicating stereo mode operation MONO 4 WAY MODE In 4 way mono operation the controls are marked ABOVE the ho...

Page 7: ...he High Output An LED indi cates the selection 14 STEREO LED indicating stereo mode operation MONO 3 WAY MODE In 3 way mono operation the controls are marked ABOVE the horizontal blue line Front panel controls not described in this section are not active in mono 3 way mode LEDs are disabled for controls which are non functional in this mode 1 INPUT GAIN Controls the input level with 12 dB of gain ...

Page 8: ...s on the crossover to set it to the proper mode of operation either stereo 2 way stereo 3 way or mono 4 way for the 234 234XL or stereo 2 way or mono 3 way for the 223 223XL Use the literature that came with your speaker system to properly set up the mode of operation and crossover frequencies to the manufac turer s specifications There is one of the four possible mode button combinations for the ...

Page 9: ...esigna tion applies only to that mode of operation Before connecting anything to the crossover make sure it is not con nected to any power source Be sure that the source device equalizer compressor mixing console etc for the 234 234XL 223 223XL is turned off Connect the output s of the source device to the inputs of the crossover following the rear panel markings carefully Make sure that the ampli...

Page 10: ... switch ALWAYS ensure that the amplifiers feeding all speaker systems are turned off or that the input gain controls on the power amplifiers are turned down before changing the setting of the X10 switch Not doing so may send a spurious signal to the outputs of the crossover when the X10 switch is engaged and may damage speaker systems which are pow ered at the time of the spurious signal Every out...

Page 11: ... when running long paths Twin conduc tor shielded cable is more reliable since it does not depend on the shield wire itself to complete the signal connection Using twin conductor cable a broken shield may only result in a slight increase in noise or hum due to the lack of shielding You may also use unbalanced cables to connect to and from the crossover If there appears to be no power Check that ei...

Page 12: ...chassis ground Never lift a safety ground If you suspect the hum is not caused by a ground loop Check the audio at an earlier stage in the audio chain Low level equipment should be mounted away from power amplifiers to avoid induction of this type of hum Be certain that all audio wiring except for loudspeaker lines is well shield ed and that low level wiring is not run parallel to and or in close ...

Page 13: ...gh 45 to 960 Hz or 450 Hz to 9 6 kHz x10 setting Low Mid 45 to 960 Hz or 450 Hz to 9 6 kHz x10 setting Mid High 450 Hz to 9 6 kHz 234 234XL Mono Mode Low Low Mid 45 to 960 Hz or 450 Hz to 9 6 kHz x10 setting Low Mid High Mid 450 Hz to 9 6 kHz High Mid High 450 Hz to 9 6 kHz 223 223XL Stereo Mode Low High 45 to 960 Hz or 450 Hz to 9 6 kHz x10 setting 223 223XL Mono Mode Low Mid 45 to 960 Hz or 450 ...

Page 14: ...ents 1 2 3 CAN CSA E65 94 EMC EN 55013 1990 EN 55020 1991 Supplementary Information The product herewith complies with the requirements of the Low Voltage Directive 72 23 EEC and the EMC Directive 89 336 EEC as amended by Directive 93 68 EEC dbx Professional Products Vice President of Engineering 8760 S Sandy Parkways Sandy Utah 84070 USA February 6 1997 European Contact Your local dbx Sales and S...

Page 15: ...endments 1 2 3 CAN CSA E65 94 EMC EN 55013 1990 EN 55020 1991 Supplementary Information The product herewith complies with the requirements of the Low Voltage Directive 72 23 EEC and the EMC Directive 89 336 EEC as amended by Directive 93 68 EEC dbx Professional Products Vice President of Engineering 8760 S Sandy Parkways Sandy Utah 84070 USA March 9 1999 European Contact Your local dbx Sales and ...

Page 16: ...01 568 7660 Fax 801 568 7662 Int l Fax 219 462 4596 Questions or comments E mail us at customer dbxpro com or visit our World Wide Web home page at http www dbxpro com A Harman International Company This manual is dbx part number 18 2155 C 03 19 99 ...

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