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Dbx 223XS Crossover

The secret to making speakers sound great lies with the crossover you use. With the dbx® 223s and 223xs Crossovers you’ll
get great performance, ultra low-noise, rugged reliability and four decades of dbx knowledge and expertise in building
the world’s finest processors. The 223 uses precision filters to separate the audio signal and direct the correct frequencies
to your loudspeaker drivers. By directing only the specific frequency bands to each speaker driver the 223 leaves your
amplifiers free to use their full power on the usable signal eliminating distortion and giving your PA system a cleaner and
better sound.

The dbx 223 is a dual channel crossover with all the features you would expect from a professional product. They feature
Linkwitz-Riley 24dB per octave filters, independent output gain controls for level matching, output phase inversion, 40 Hz
low cut filter, and optional mono summing of the low frequency (subwoofer) output. Everything in the design exudes great
precision from the solid “click” controls to the high quality ¼” TRS (223s) and XLR (223xs) inputs and outputs.

TRS differentially balanced ins and outs

Mode switch for stereo 2-way or mono 3-way operation

Low frequency summed (subwoofer) output

x10 range switch on both channels

40Hz high pass (low cut) filter both channels

Phase reverse switch on all outputs

Individual level controls on all outputs

24dB per octave Linkwitz-Riley filters (the professional standard)

Stereo/Mono status LEDs indicate the selected mode

dbx® 2 year parts and labor as standard

CSA NRTL/C approved

CE compliant


Connectors:1/4" TRS

Type:Electronically balanced/unbalanced, RF filtered

Impedance:Balanced >50k ohm, unbalanced >25k ohm

Max Input Level:>+22dBu balanced or unbalanced


Connectors:1/4" TRS

Type:Impedance-balanaced/unbalanced, RF filtered

Impedance:Balanced 200 ohm, unbalanced 100 ohm

Max Output Level:>+21dBu balanced/unbalanced into 2k ohms or greater

Crossover Frequencies

Stereo Mode:Low/High: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)

Mono Mode:Low/Mid: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)
Mid/High: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)

Filter type:Linkwitz-Riley, 24 dB/octave, state-variable

Function Switches

Front Panel (Low Cut):Activates 40 Hz Butterworth, 12 dB/octave high-pass filter, one switch per channel

Phase Invert:Inverts the phase at the output, one switch per output

Rear Panel:x10: Multiplies the crossover frequency range by 10, one switch per channel
Mode: Selects stereo/mono and 2/3-way operation.
LF sum: Selects normal (stereo) or mono-summed low frequency operation.


Stereo Operation:Green LED

Mono Operation:Yellow LED

Low Cut:Red LED per channel

x10Green LED per channel

Phase Invert:Red LED per output (3 per channel)

System Performance

Bandwidth:20Hz to 20kHz, +0/-0.5dB

Frequency Response:< 3Hz to > 90kHz, +0/-3 dB

Dynamic Range:>106dB, unweighted, any output

THD + Noise:<0.004% at +4dBu, 1kHz
<0.04% at +20dBu, 1 kHz

Interchannel Crosstalk:<-80dB, 20Hz to 20kHz

CMRR:>40dB, typically >55dB at 1kHz

Signal-to-Noise:Ref: +4dBu, 22kHz measurement bandwidth

Stereo Mode>94dB (Low Output)
>91dB (High Output)

Mono Mode:>94dB (Low Output)
>93dB (Mid Output)
>91dB (High Output)


Power Supply

Operating Voltage:100 VAC 50/60 Hz; 120 VAC 60 Hz 230 VAC 50/60HZ

Power consumption:15W

Operating Temperature:32°F to 113°F (0°C to 45°C)


Dimensions:1.75" H X 6.9" D X 19" W (4.5cm x 17.5cm x 48.26cm )

Weight:3.7 lbs. (1.7 kg)

Shipping Weight:5.4 lbs. (2.5 kg)

Note: dbx engineers are constantly working to improve the quality of our products. Specifications are, therefore subject to change without notice.


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