® Let’s take a look at the construction features of the dbx 223XL. As you turn the controls you will notice that 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 power supplies 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 balanced XLRs that are screwed directly to the chassis. This connection of the jacks to the chassis insures that even if someone stomps on a cable plugged into the unit, it’s not going to tear up the circuit board inside. All dbx crossovers feature Linkwitz-Riley 24dB per octave filters, the professional standard. But then again, what did you expect? Via a switch on the back panel, you first select whether you’re operating your system in stereo 2-way or mono 3-way. Then you also set, on the back panel, 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 when 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 will help get you out of a bind without having to reconfigure your system. These phase reverse switch- es may be internally reconfigured as mute switches. You’ll get great performance, all the features you’d expect from a professional product and the knowledge that you’re buying a processor from the people that have been producing the worlds finest processors for over 25 years. The tech- nology that made us famous brings you a dbx crossover that has been tested to the highest professional standards at a price that’s just too low to admit! • XLR balanced ins and outs • 24dB per octave Linkwitz-Riley filters (the • Mode switch for stereo 2-way or mono 3- professional standard) way operation • Stereo/Mono status LEDs indicate the • Low frequency summed (subwoofer) output selected mode • x10 range switch on both channels • dbx 2 year parts and labor as standard • 40 Hz high pass (low cut) filter both • CSA NRTL/C approved channels • CE compliant 8760 S. Sandy Pkwy. Sandy, Utah 84070 • Phase reverse switch on all outputs Phone (801) 568-7660 • Individual level controls on all outputs Fax (801) 568-7662 Int’l Fax (801) 568-7583 customer@dbxpro.com http://www.dbxpro.com A Harman International Company 18-1772-A 01/99 CHANNEL ONE CHANNEL TWO 0 240 -10 -10 0 240 -10 -10 140 350 140 350 -6 +6 -6 +6 -30 -30 -30 -30 70 0 0 70 0 0 680 680 40 Hz INV INV 40 Hz INV INV x10 x10 -12 +12 45 960 +6 +6 -12 +12 45 960 +6 +6 - - - - dB Hz dB dB dB Hz dB dB GAIN XOVER FREQ GAIN GAIN GAIN XOVER FREQ GAIN GAIN INPUT LOW CUT LOW/MID LOW OUTPUT MONO MID/HIGH MID OUTPUT HIGH OUTPUT INPUT LOW CUT LOW/HIGH LOW OUTPUT HIGH OUTPUT STEREO INPUT LOW CUT LOW/HIGH LOW OUTPUT HIGH OUTPUT  223XL STEREO 2-WAY / MONO 3-WAY CROSSOVER The crossover shall be configurable for stereo 2-way or INPUT: FUNCTION SWITCHES: Connectors: XLR Front Panel: mono 3-way operation, each stereo channel having input Type: Electronically balanced/unbalanced, RF fil- Low Cut: Activates 40 Hz Butterworth, 12 dB/octave tered high-pass filter, one switch per channel. gain and low and high output gain controls, a switchable Impedance: Balanced > 50 kΩ, unbalanced > 25 kΩ Phase Invert: Inverts the phase at the output, one switch low-cut filter, a variable crossover frequency control, and Max Input Level: > +21 dBu balanced or unbalanced per output. CMRR: > 40 dB, typically > 50 dB at 1 kHz Rear Panel: low and high output phase invert switches on the front x1 / x10: Multiplies the low-high(mono: low/mid and panel. Rear-panel input connectors shall be XLR bal- OUTPUT: high/mid) crossover frequency range of Connectors: XLR the front-panel markings by a factor of 1 anced/unbalanced with input impedance of not less than Type: Impedance-balanced/unbalanced, RF fil- or 10, one switch per channel. tered Mode: Selects stereo 2-way or mono 3-way oper- 50 kΩ balanced and 25 kΩ unbalanced and maximum Impedance: Balanced 200 Ω, unbalanced 100 Ω ation and disables all LEDs for controls input level of not less than +21 dBu. Rear-panel low and Max Output Level: > +21 dBu balanced/unbalanced into 2 kΩ that are non-functional in the selected or greater mode. high output connectors shall be XLR impedance-bal- LF Sum: Selects normal (stereo) or mono-summed anced/unbalanced with output impedance of no more PERFORMANCE: low frequency operation and disables Ch Bandwidth: 20 Hz to 20 kHz, +0/-0.5 dB 2’s low output phase invert LED to indi- than 200 Ω balanced and 100 Ω unbalanced and maxi- Frequency Response: < 3 Hz to > 90 kHz, +0/-3 dB cate that this output is not operational in Signal-to-Noise: Ref: +4 dBu, 22 kHz measurement band- the LF sum mode. mum output level of not less than +21 dBu into 2 kΩ or width greater. Input gain controls shall be variable from -12 to Stereo Mode: Mono Mode: INDICATORS: Low Output: > 94 dB > 94 dB Stereo Operation: Green LED +12 dB and output gain controls shall be variable from - Mid Output: > 93 dB Mono Operation: Yellow LED ∞ to +6 dB. Each output’s phase invert switch shall have High Output: > 92 dB > 92 dB Low Cut: Red LED per channel Dynamic Range: > 114 dB, unweighted, any output x10: Green LED per channel an LED to indicate inverted phase and shall be internally THD+Noise: < 0.004% at +4 dBu, 1 kHz Phase Invert: Red LED per output (2 per channel) < 0.04% at +20 dBu, 1 kHz configurable to change the invert function to a mute func- Interchannel Crosstalk: < -80 dB, 20 Hz to 20 kHz POWER SUPPLY: tion. Low-cut filters shall be 12 dB/octave Butterworth Operating Voltage: 100 VAC 50/60 Hz; 120 VAC 60 Hz CROSSOVER FREQUENCIES: 230 VAC50 HZ type at 40 Hz, and shall be activated by recessed switch- Stereo Mode: Power Consumption: 15 Watts es with LEDs indicating active status. Low/high fre- Low/High: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 Mains Connection: IEC 320 receptacle setting) quency controls shall be variable from 45 to 960 Hz and Mono Mode: PHYSICAL: Low/Mid: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 Dimensions: 1.75" H X 19" W X 6.9" D (4.4cm x shall be scaleable to 450 Hz to 9.6 kHz via rear-panel setting) 48.3cm x 17.5cm) “x10” frequency range switches with front-panel LEDs Mid/High: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 Weight: 3.7 lbs. (1.7 kg) setting) Shipping Weight: 5.4 lbs. (2.5 kg) indicating “x10” status. A rear-panel LF sum switch shall Filter Type: Linkwitz-Riley, 24 dB/octave, state-vari- sum the pre-output gain signals of both channels’ low- able Note: Specifications subject to change. frequency outputs and route the combined signal to chan- nel 1’s low output and shall disable channel 2’s low phase invert LED. A rear-panel mode switch shall select between stereo and mono operation with front-panel LEDs indicating the selected mode. Mono operation shall convert channel 1’s and channel 2’s low/high crossover frequency controls to low/mid and mid/high controls respectively, and shall convert channel 1’s low output and channel 2’s low and high outputs to low, mid, and high outputs respectively, while channel 1’s input, input gain, and low-cut filter shall remain active. All other functions shall be inac- tive and the mono mode shall disable LEDs for all inactive functions. Frequency response shall be 3 Hz to 90 kHz or greater and signal-to-noise ratio shall be not less than 92 dB on any output in any mode. THD+Noise shall be less than 0.004% at +4 dBu and less than 0.04% at +20 dBu from 20 Hz to 20 kHz and interchannel crosstalk shall be no greater than -80 dB from 20 Hz to 20 kHz. The unit shall operate from a power source of 100VAC 50/60 Hz to 120 VAC 60 Hz for a domestic unit and 230 VAC 50 Hz for a european unit via a detachable IEC type AC cable and shall consume no more than 15 W. The size of the 1U high, full rack width unit shall be 1.75" H X 19" W X 6.9" D (4.4cm x 48.3cm x 17.5cm) with a net weight of 3.7 lbs. (1.7 kg) and a shipping weight of 5.4 lbs. (2.5 kg). The crossover shall be a dbx 223XL. FOR MORE INFORMATION CONTACT: ® dbx Professional Products • 8760 S. Sandy Pkwy. • Sandy, Utah 84070 Phone (801) 568-7660 • Fax (801) 568-7662 • Int’l Fax (801) 568-7583 customer@dbxpro.com • http://www.dbxpro.com A Harman International Company