DBX Industrial Partner

234 - DBX 234 Stereo 2/3 Way, Mono 4-Way Crossover - TRS...

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Part Number:
234
Model Number:
234
Make:
DBX BY HARMAN
Lead Time:
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Qty In Stock:
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DBX 234 Stereo 2/3 Way, Mono 4-Way Crossover - TRS input/outputs, 1/4 jacks bolted down to chasis, Linkwitz-Riley 24 dB per octave filters, Back panel switches allow you to select the range of the crossover frequencies individually Simple Type: Audio Processing & Recording

Let's take a look at the construction features of the dbx 234. At first glance you'll notice the units are great looking, and as you turn the controls something else becomes apparent; these units are extremely well built. The controls exude great precision, and the feel is a solid "click". Also, when you open the box, you won't find the external power supply that accompanies most processors in this price range. That's because we know how difficult external powersupplies can be to work with and even though it costs a little more we put the high quality power supply right in the unit. All the inputs and outputs are TRS differentially balanced 1/4" jacks that are bolted down to the chassis. This "nutting down" of the jacks insures that even if someone steps on a cable plugged into the unit, it's not going to tear up the circuit board inside. All dbx crossovers feature Linkwitz-Riley 24 dB per octave filters, the professional standard, but then again, what did you expect? Via two switches on the back panel you first select whether you're operating your system in stereo 2-way, 3-way or mono 4-way. Another back panel switch also selects whether or not you want to mono sum the LF (subwoofer) out. (Most systems that use a subwoofer are mono subbed to take advantage of amplifier power and because low frequencies are non-directional.) Back panel switches allow you to select the range of the crossover frequencies individually for both channels. The crossover frequency controls have a green LED that indicates the X10 switch on the back panel is activated (we wouldn't make you check the switch position on the back every time you wonder where it's set). All these switches are on the back panel because it could be disastrous if you were to change them mid-program. On the front panel you'll notice there are LEDs that indicate whether the unit is in mono or stereo mode. Each channel has an input gain control for proper level setting. There's a recessed 40 Hz low cut (HPF) on each channel to remove unwanted low frequencies. Both the low and high outputs on each channel have a gain control ranging from - to +6 dB, to allow muting of individual outputs and for level matching. Also, these outputs each have phase reverse switches that'll help get you out of a bind without having to reconfigure your system. These phase reverse switches may be internally reconfigured as mute switches.

Download the datasheet (PDF)

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Features

  • 24dB per octave Linkwitz-Riley filters (the professional standard)
  • 40Hz high pass (low cut) filter both channels
  • CE compliant
  • CSA NRTL/C approved
  • dbx 2 year parts and labor as standard
  • Individual level controls on all band outputs
  • Low frequency summed (subwoofer) output
  • Mode switches for mono 4-way or stereo 2-way/3-way operation
  • Phase reverse switch on all outputs
  • Stereo/Mono status LEDs indicate the selected mode
  • TRS differentially balanced ins and outs
  • x10 range switch on both channels

Specifications

    General
  • Bandwidth: 20 Hz to 20 kHz, +0/-0.5 dB
  • Dimensions: 1.75" H X 19" W X 6.9" D (4.4cm x 48.3cm x 17.5cm)
  • Dynamic Range: > 114 dB, unweighted, any output
  • Filter Type: Linkwitz-Riley, 24 dB/octave, state-variable
  • Frequency Response: < 3 Hz to > 90 kHz, +0/-3 dB
  • Front Panel Low Cut: Activates 40 Hz Butterworth, 12 dB/octave high-pass filter, one switch per channel
  • Front Panel Phase Invert: Inverts the phase at the output, one switch per output
  • High Output: > 92 dB > 92 dB
  • High-Mid Output: > 92 dB
  • High-Mid/High: 450 Hz o 9.6 kHz
  • Input CMRR: > 40 dB, typically > 55 dB at 1 kHz
  • Input Connectors: 1/4” TRS
  • Input Impedance: Balanced > 50 kO, unbalanced > 25 kO
  • Input Type: Electronically balanced/unbalanced, RF filtered
  • Interchannel Crosstalk: < -80 dB, 20 Hz to 20 kHz
  • Low Cut: Red LED per channel
  • Low Output: > 94 dB > 94 dB
  • Low-Mid Output: > 94 dB
  • Low-Mid/High-Mid: 450 Hz to 9.6 kHz
  • Mains Connection: IEC 320 receptacle
  • Max Input Level: > +21 dBu balanced or unbalanced
  • Max Output Level: > +21 dBu balanced/unbalanced into 2 kO or greater
  • Mid Output: > 93 dB
  • Mono Mode Low/Low-Mid: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)
  • Mono Operation: Yellow LED
  • Operating Voltage: 100-120 VAC 50/60 Hz; 120 VAC 60 Hz, 230 VAC 50 Hz
  • Output Connectors: 1/4" TRS
  • Output Impedance: Balanced 200 O, unbalanced 100 O
  • Output Type: Impedance-balanced/unbalanced, RF filtered
  • Phase Invert: Red LED per output (3 per channel)
  • Power Consumption: 15 Watts
  • Rear Panel LF Sum: Selects normal (stereo) or mono-summed low frequency operation and disables Ch 2’s low output phase invert LED to indicate that this output is not operational in the LF sum mode
  • Rear Panel Mode: Selects stereo 2-way, 3-way or mono 4- way operation and disables all LEDs for controls that are non-functional in the mono mode
  • Rear Panel x1 / x10: Multiplies the low-mid (mono: low/low-mid) crossover frequency range of the frontpanel markings by a factor of 1 or 10, one switch per channel
  • Shipping Weight: 5.8 lbs. (2.6 kg)
  • Signal-to-Noise: Ref: +4 dBu, 22 kHz measurement bandwidth
  • Stereo Mode: Mono Mode:
  • Stereo Mode Low/Mid: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)
  • Stereo Mode Mid/High: 450 Hz to 9.6 kHz
  • Stereo Operation: Green LED
  • THD+Noise: < 0.004% at +4 dBu, 1 kHz, < 0.04% at +20 dBu, 1 kHz
  • Weight: 4.0 lbs. (1.8 kg)
  • x10: Green LED per channel

 

Applications

  • None Available

Aliases

  • None Available