DBX 223

Description
DBX 223 Stereo 2-Way/Mono 3-Way Crossover - TRS differentially balanced inputs and outputs, Lnkwitz-Riley 24dB per octave filters, Back panel switches allow you to select the range of the crossover frequencies individually for both channels
Part Number
223
Price
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Manufacturer
DBX
Lead Time
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Category
PRODUCTS - 2
Specifications
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
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
Input CMRR
> 40 dB, typically > 50 dB at 1 kHz
Input Connectors
1/4 TRS
Input Impedance
Balanced > 50 kO, unbalanced > 25 kO
Input Type
Electronically balanced/unbalanced, RF filtered
Low Cut
Red LED per channel
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/High
45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)
Mono High Output
>92dB
Mono Mid Output
>93dB
Mono Mode Low Output
>94dB
Mono Mode Low/Mid
45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)
Mono Operation
Yellow LED
Operating Voltage
100 VAC 50/60 Hz; 120 VAC 60 Hz, 230 VAC50 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 (2 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 or mono 3-way operation and disables all LEDs for controls that are non-functional in the selected mode
Rear Panel x1 / x10
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
Shipping Weight
5.4 lbs. (2.5 kg)
Signal-to-Noise
Ref: +4 dBu, 22 kHz measurement bandwidth
Stereo Mode High Output
>92dB
Stereo Mode Low Output
>94dB
Stereo Mode Low/High
45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)
Stereo Operation
Green LED
Weight
3.7 lbs. (1.7 kg)
x10
Green LED per channel
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 outputs
- Low frequency summed (subwoofer) output
- Mode switch for stereo 2-way or mono 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
Datasheet
Extracted Text
® Let’s take a look at the construction features of the dbx 223. At first glance, you’ll notice the units are great looking. 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 sup- ply that accompanies most processors in this price range. That’s because we know how difficult external power sup- plies 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 “nut- ting down” of the jacks 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 all 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 20 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! • TRS differentially balanced ins and outs • Stereo/Mono status LEDs indicate the • Mode switch for stereo 2-way or mono 3- selected mode way operation • dbx 2 year parts and labor as standard • Low frequency summed (subwoofer) output • CSA NRTL/C approved • x10 range switch on both channels • CE compliant • 40 Hz high pass (low cut) filter both channels 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 • 24dB per octave Linkwitz-Riley filters (the customer@dbxpro.com http://www.dbxpro.com professional standard) A Harman International Company 18-1692-C 01/99 CHANNEL ONE CHANNEL TWO 0 240 -10 -10 0 240 -10 -10 140 350 140 350 -6 +6 -6 +6 223 -30 -30 70 0 -30 0 70 0 -30 0 680 680 40 Hz INV INV 40 Hz INV INV Stereo 2-Way/Mono x10 x10 3-Way Crossover -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 223 STEREO 2-WAY / MONO 3-WAY CROSSOVER CHANNEL ONE CHANNEL TWO 0 240 -10 -10 0 240 -10 -10 140 350 140 350 -6 +6 -6 +6 223 -30 -30 70 0 -30 0 70 0 -30 0 680 680 40 Hz INV INV 40 Hz INV INV Stereo 2-Way/Mono x10 x10 -12 +12 45 960 +6 +6 -12 +12 45 960 +6 +6 3-Way Crossover - - - - 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 15 WATTS CHANNEL TWO MODE LF SUM CHANNEL ONE ® HIGH LOW LOW/HIGH INPUT STEREO LOW SUM HIGH LOW/LF SUM LOW/HIGH INPUT x 1 STEREO NORMAL x 1 x 10 MONO SUMMED x 10 PROFESSIONAL PRODUCTS A HARMAN INTERNATIONAL COMPANY MODEL 223 XOVER FREQ XOVER FREQ 100V 50/60Hz 120V 60Hz HIGH MID MID/HIGH NOT USED MONO NOT USED NOT USED LOW LOW/MID INPUT The crossover shall be configurable for stereo 2-way or INPUT: FUNCTION SWITCHES: Connectors: 1/4” TRS 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 1/4" TRS OUTPUT: high/mid) crossover frequency range of Connectors: 1/4" TRS the front-panel markings by a factor of 1 balanced/unbalanced with input impedance of not less Type: Impedance-balanced/unbalanced, RF fil- or 10, one switch per channel. tered Mode: Selects stereo 2-way or mono 3-way oper- than 50 kΩ balanced and 25 kΩ unbalanced and maxi- Impedance: Balanced 200 Ω, unbalanced 100 Ω ation and disables all LEDs for controls mum input level of not less than +21 dBu. Rear-panel Max Output Level: > +21 dBu balanced/unbalanced into 2 kΩ that are non-functional in the selected or greater mode. low and high output connectors shall be 1/4" TRS imped- LF Sum: Selects normal (stereo) or mono-summed ance-balanced/unbalanced with output impedance of no 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- more than 200 Ω balanced and 100 Ω unbalanced and 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. maximum output level of not less than +21 dBu into 2 kΩ width or greater. Input gain controls shall be variable from -12 Stereo Mode: Mono Mode: INDICATORS: Low Output: > 94 dB > 94 dB Stereo Operation: Green LED to +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 High Output: > 92 dB > 92 dB Low Cut: Red LED per channel Dynamic Range: > 114 dB, unweighted, any output x10: Green LED per channel have an LED to indicate inverted phase and shall be 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 internally configurable to change the invert function to a Interchannel Crosstalk: < -80 dB, 20 Hz to 20 kHz POWER SUPPLY: mute function. Low-cut filters shall be 12 dB/octave Operating Voltage: 100 VAC 50/60 Hz; 120 VAC 60 Hz CROSSOVER FREQUENCIES: 230 VAC50 HZ Butterworth type at 40 Hz, and shall be activated by Stereo Mode: Power Consumption: 15 Watts recessed switches with LEDs indicating active status. Low/High: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 Mains Connection: IEC 320 receptacle setting) Low/high frequency controls shall be variable from 45 to 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 960 Hz and shall be scaleable to 450 Hz to 9.6 kHz via setting) 48.3cm x 17.5cm) rear-panel “x10” frequency range switches with front- 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) panel LEDs indicating “x10” status. A rear-panel LF sum Filter Type: Linkwitz-Riley, 24 dB/octave, state-vari- switch shall sum the pre-output gain signals of both chan- able Note: Specifications subject to change. nels’ low-frequency outputs and route the combined sig- nal to channel 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 223. dbx engineers are constantly working to improve the quality of our products. Specifications are, therefore subject to change without notice. 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
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