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234xs

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Item# DBX234XSV
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XLR balanced ins and outs

The 234xs features XLR balanced inputs and outputs which help eliminate common mode noise problems that may arise

Mode switches for mono 4-way or stereo 2-way/3-way operation

Select either Mono 4-way or Stereo 2-way/3-way operation via the switches located on the 234xs's rear panel.

Low frequency summed (subwoofer) output

Designed specifically for mono subwoofer applications, the 234xs's LF sum switch “sums” the low frequencies of both the left and right inputs. The sum is sent to channel one’s low output marked “LF SUM”, while channel two’s low output is not used, and channel two’s phase invert led is disabled, indicating it is not operational in “LF Sum” mode. The summed low frequencies represent all the low frequencies of both the left and right inputs, and since lows are generally non-directional anyway, it will not detract from the true stereo picture of the source material.

x10 range switch on both channels

If you are using your system in stereo 2-way or 3-way mode, the needed crossover frequency may be higher than 960 Hz, making it necessary to set the x10 switch to the active position. This changes the range of operation of the frequency selector from 45-960 Hz to 450 Hz to 9.6 kHz. All other frequency selectors remain the same.

40Hz high pass (low cut) filter both channels

The 234xs features a Low Cut Switch for selecting the 40 Hz high pass filter. An LED indicates the selection.

Phase reverse switch on all outputs

Every output is equipped with a polarity (Ø) reverse switch on the front panel. When speakers are not “in phase”, the frequency response of the system is compromised, particularly in the low frequencies. Out of phase signals can also cause “comb-filtering” in the high frequencies. The polarity switch is extremely useful for fine tuning your sound system for peak performance. An LED is activated when the output polarity is reversed.

Individual level controls on all outputs

Level controls are provided for the Low Output, High Output and Mid Output to dial in your system exactly as you want it.

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

The 234xs features Linkwitz-Riley filters with (almost) perfect phase-coherency, and no peaks or dips at the crossover frequency.

Stereo/Mono status LEDs indicate the selected mode

Easily determine the stereo/mono mode status of the 234xs via the front panel LEDs.

General Specifications

Frequency Response < 3 Hz to > 90 kHz, +0/-3 dB
Dynamic Range > 106 dB, unweighted, any output
THD+Noise: < 0.004% at +4 dBu, 1 kHz, < 0.04% at +20 dBu, 1 kHz
Interchannel Crosstalk < -80 dB, 20 Hz to 20 kHz
Low/High Crossover Frequencies in Stereo Mode 45 Hz to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)
Low/Mid Crossover Frequencies in Stereo Mode 45 Hz to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)
Mid/High Crossover Frequencies in Stereo Mode 450 Hz to 9.6 kHz
Low/Low-Mid Crossover Frequencies in Mono Mode 45 Hz to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)
High-Mid/High Crossover Frequencies in Mono Mode 450 Hz to 9.6 kHz
Filter Type Linkwitz-Riley, 24 dB/octave, state-variable
Operating Voltage 100 VAC 50/60 Hz, 120 VAC 60 Hz, 230 VAC 50/60 Hz
Power Consumption 15 Watts

Audio Specifications

Input Connectors XLR Electronically balanced/unbalanced, RF filtered
Input Impedance Balanced > 50 kΩ, unbalanced > 25 kΩ
Max Input Level +22 dBu typical, balanced or unbalanced
Input CMRR >40 dB, typically > 55 dB at 1 kHz
Output Connectors XLR TRS Electronically balanced/unbalanced, RF filtered
Output Impedance Balanced 60Ω, unbalanced 30Ω
Max Output Level >+20 dBu balanced/unbalanced into 600Ω or greater
Bandwidth 20 Hz to 20 kHz, +0/-0.5 dB

Dimensions

Weight 4.0 lb (1.8 kg)
Height 1.75 in (4.4 cm)
Depth 6.9 in (17.5 cm)
Width 19 in (48.26 cm)

Spec Sheet (EN)

English 2 MB
  • 1 x dbx 234xs stereo 2/3 way, mono 4-way crossover with XLR connectors
  • 1 x AC power cord
  • 1 x Operation manual
  • 1 x Registration card
  • 4 x Rack mount screws and washers
The secret to making speakers sound great lies with the crossover you use. With the dbx® 234xs Crossover 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 234xs 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 234xs 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 234xs is a dual channel crossover with all the features you would expect from a professional product. It features 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 XLR inputs and outputs.

Manuals & Downloads

The latest owner's manuals, quick start guides, and documents.

Spec Sheet (EN)

English 2 MB

Owner's Manual (EN)

English 2 MB

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