More sound to your amps and speakers
The secret to making speakers sound great lies with the crossover you use. With the dbx® 223xs 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 223xs 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 223xs 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 223xs 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
Features
- XLR 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
Specifications
| Input Connectors | XLR (pin 2 hot) |
| Input Type | Electronically balanced/unbalanced, RF filtered |
| Input Impedance | Balanced >50k ohm, unbalanced >25k ohm |
| Max Input | >+22dBu balanced or unbalanced |
| CMRR | >40dB, typically >55dB at 1kHz |
| Output Connectors | XLR |
| Output Type | Impedance-balanaced/unbalanced, RF filtered |
| Output Impedance | Balanced 200 ohm, unbalanced 100 ohm |
| Max Output | >+21dBu balanced/unbalanced into 2k ohms or greater |
| Bandwidth | 20Hz to 20kHz, +/-0.5dB |
| Frequency Response | 90 kHz, +0/-3 dB |
| Signal to Noise Ratio | Ref: +4 dBu, 22 kHz measurement bandwidth |
| Signal-to-Noise (Stereo Mode) | >94dB (Low Output), >91dB (High Output) |
| Signal-to-Noise (Mono Mode) | >94dB (Low Output), >93dB (Mid Output), >91dB (High Output) |
| 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 |
| Crossover Frequencies (Stereo Mode) | Low/High: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting) |
| Crossover Frequencies (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) |
| Crossover Filter Type | Linkwitz-Riley, 24 dB/octave, state-variable |
| Low cut Switch | Activates 40 Hz Butterworth, 12 dB/octave high-pass filter, one switch per channel. |
| Phase Invert Switch | Inverts the phase at the output, one switch per output. |
| x1 / x10 Switch | Multiplies the low-high(mono: low/mid and high/mid) crossover frequency range of the front-panel markings by a factor of 1 or 10, one switch per channel. |
| Mode Switch | Selects stereo/mono and 2/3-way operation |
| LF Sum Switch | Selects normal (stereo) or mono-summed low frequency operation and disables Ch 2ʼs low output phase invert LED to indicate that this output is not operational in the LF sum mode. |
| Indicators | Stereo Operation (Green); Mono Operation (Yellow); Low Cut (Red-per channel); x10 (Green-per channel); Phase Invert (Red-per output) |
| Operating Voltage | 100 VAC 50/60 Hz; 120 VAC 60 Hz 230 VAC50 HZ |
| Operating Temperature | 32°F to 113°F (0°C to 45°C) |
| Power Consumption | 15W |
| Power Connector | IEC receptacle |
| Dimensions | 1.75″ H X 19″ W X 6.9″ D (4.4cm x 48.3cm x 17.5cm) |
| Unit Weight | 3.7 lbs. (1.7 kg) |
| Shipping Weight | 5.4 lbs. (2.5 kg) |
 <br>
? Autowarmth? <br>
? Auto Gain Control <br>
? Compression <br>
? Limiting <br>
? Noise Gating <br>
? Notch Filtering <br>
? Bandpass and Crossover Filters <br>
? Parametric EQ <br>
? Security Lockout <br>
? Wall Panel Control <br>
? RS-232 Control <br>
? Windows? 2000 and XP GUI <br>
? IEC, UL and CSA Approvals
</p></td><td>
<p>The ARX EC-2 is a flexible yet affordable 24 dB per octave Phase Correct active crossovers.<br>It has 2 modes of operation; as either Stereo 2 way or a Mono 3 way units, with a switch on <br>the back panel selecting either mode. </p>
<p>Features <br>Ultra low noise circuitry <br>Totally phase aligned at crossover point <br>Switchable Dual Channel 2 way or Single Channel 3 way <br>Unique 'semi-fixed' crossover point <br>24dB per octave (Fourth Order) Linkwitz-Riley filters <br>Separate Summed Mono Output <br>Balanced Inputs and Outputs <br>Built in High Pass filters <br>Intuitive, 'user friendly' layout <br>Flawless performance in any audio environment </p>
<p>Tamper-Proof Crossover Points<br>The crossover points are determined internally by the value of 4 resistors per channel; changing <br>the resistor value changes the crossover point. This 'semi fixed' method avoids the pitfalls of <br>externally adjusted crossover points, making the crossover points tamper-proof once they are set. <br>Idle fingers can't fiddle with the crossover points and create havoc with the system!<br>As a handy guide, a list of common crossover points and their corresponding resistor values are <br>printed inside the unit's lid, and also set out in the Owner's Manual.<br>On the front panel are level controls for Low and High in dual channel 2 way mode, and Low, Mid <br>and High in single channel 3 way mode, with corresponding Outputs on the rear panel. </p>
<p>Balanced Inputs and Outputs<br>EC-2 has Balanced Inputs and Outputs, on XLR connectors.<br>The EC-2 also has an additional summed Mono Low output, for applications that need a Mono Low <br>feed (e.g. Left and Right full-range plus a single Sub Bass speaker).<br>High Pass Filter<br>There is also a preset 30 Hz HighPass filter to remove unwanted subsonics which can damage speakers <br>and waste amplifier power.<br>In addition, each output has up to +6 dB of gain available, to compensate for amplifiers and speakers of <br>differing sensitivities.<br>Universal AC Power<br>AC power range is a universal 100 to 120V or 220 to 240VAC, and is connected to the unit via a standard <br>IEC connector, with built-in fuse and voltage change switch.<br>Uncompromising Audio Quality<br>Innovative circuit design is pointless unless it delivers stunning sound quality, and here the EC-2 excels. <br>It has been designed for uncompromising audio quality, and to achieve this, Linkwitz Riley 24dB (Fourth <br>Order) state variable filters are used throughout, ensuring a smooth Phase Correct transition through the <br>crossover region.<br>From Stage Monitors to Studio Monitors, from Front of House to the Front room of your House, the ARX <br>EC-2 is a crossover that is suited to any application that requires flawless, transparent sound.<br>You'll never compromise on Quality when you choose ARX </p>
<p>T E C H N I C A L S P E C I F I C A T I O N S </p>
<p>Input Impedance Balanced 20 Kohms, Unbalanced 10 Kohms<br>Input Headroom + 21 dB<br>CMRR >45 dB, 20 Hz-20 KHz<br>Output Impedance Balanced 300 ohms, Unbalanced 150 ohms<br>Output Level (Max) + 21dB<br>Frequency Response 30Hz-20KHz +or- 0.5dB<br>Note: 30 Hz is a function of the High Pass filter<br>Signal to Noise ratio (Controls at Unity) -90 dB Unweighted, -93 dB 'A' weighted<br>Distortion 004% THD,0dB,1KHz<br>Dynamic Range 111 dB<br>Power Requirements 100/120 V AC, 220/240 V AC<br>Weight 5 lbs/2.2 Kg<br>Dimensions 19“W x 13/4“H x 6“D, 482 x 44 x 155mm<br>Input Connector type XLR<br>Output Connector type XLR<br>Crossover point frequencies are changed internally by varying the value of 4 resistors <br>per channel. </p>
<p>Front Panel Controls<br>Low and High Output controls for 2 way mode <br>Low, Mid and High Output controls for 3 way mode <br>Marker panels for labelling crossover assigns <br>2 way/ 3 way status LEDs <br>Rear Panel <br>Balanced XLR Inputs and Outputs <br>Additional summed mono Low output <br>2 way / 3 way mode switch </p></td><td>Advanced Feedback Suppression Processor with Full LCD Display
The AFS2 Dual-Channel Advanced Feedback Suppression Processor from DBX protects your ears and audio equipment from annoying and potentially damaging audio feedback without altering your sound. The AFS2 features application-specific filter types for speech, music low, music medium, and music high. The 24 fixed or live narrow-band notch filters are capable of removing frequencies at 1/80 of an octave, ensuring an optimal frequency response without the possibility of feedback.
The front panel features the wizard function to take the guesswork out of setting up any room by incorporating an advanced feedback suppression module and providing a full LCD display for system settings and menus. Additionally, the AFS2 offers a five-segment LED for accurately monitoring input levels for each channel, while the notch filter indicator allows you to monitor the number of filters applied. Dedicated bypass buttons are included to help isolate problem channels. The rear panel offers XLR and 1/4 "crossover_jrx112")
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