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Alto
Alto Professional AX2304 Professional Stereo Crossover
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Alto Professional AX2304 Professional Stereo Crossover
MM Market
Al Shoala Building, Near Deira City Center, Port Saeed Area
Techniline Electronics Showroom, Ground Floor, Block E
Dubai DU
United Arab Emirates
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KEY FEATURES
- 6 Balanced XLR Outputs
- 2 Balanced XLR Inputs
- Gold-Plated XLR Connectors
- Linkwitz-Riley Filters
- Limiters on Outputs
- Adjustable Time Delay
- Phase Reverse
DESCRIPTION
The AX2304 Professional Stereo 2-Way, 3-Way, and Mono 4-Way Crossover from Alto Professional is a crossover that features balanced XLR connectors and Linkwitz-Riley filters, both of which are present to maintain the integrity of the inputted audio signal. Its main purpose is to split the low, mid and high frequencies of an audio signal and to send them to separate outputs. Independent mutes, limiters and level controls are provided on each of its six servo-balanced, gold-plated XLR jacks. The Linkwitz-Riley filters deliver a flat response at the crossover frequencies, as opposed to the +3 dB amplitude bump that you would have without them.
Up to two seconds of delay can be applied to the outputs, and Phase Invert buttons are provided to keep your sound system in phase. An Input Gain knob enables you to apply +/-12 dB of level, and a Low Cut button is provided on both sides to cut frequencies below 25 Hz. Output Gain knobs enable you to boost the various bands by up to 6 dB, and a CD Horn button optimizes the high frequency response when you're using a loudspeaker system with Constant Directivity horns. Two buttons on the rear panel enable you to configure the unit for stereo 2-way, stereo 3-way, or mono 4-way usage.
SPECIFICATIONS
| Filter Type | Linkwitz-Riley, 24 dB/octave, state variable |
| Crossover Frequencies | X1: 80 Hz to 1 kHz X2: 800 Hz to 10 kHz Low Frequency Section (output @ 0 dB): -106 dBu High Frequency Section (output @ 0 dB): -97 dBu |
| Inputs | 2x XLR (electronically servo-balanced, RF-filtered) |
| Outputs | 6x XLR (electronically servo-balanced, RF-filtered) |
| Maximum Input Level | Input: +22 dBu typical, balanced or unbalanced CMRR: > 40 dB, typically > 55 dB (@ 1 kHz) Output: +20 dBu, balanced or unbalanced |
| Input Impedance | Balanced: > 50 KΩ Unbalanced: > 25 KΩ |
| Output Impedance | Balanced: > 60 KΩ Unbalanced: > 30 KΩ |
| Frequency Response | Bandwidth: 20 Hz to 20 kHz, +0/-0.5 dB Frequency Response: < 5 Hz to > 90 kHz, +0/-3 dB |
| Dynamic Range | > 106 dB, unweighted |
| Signal to Noise Ratio | 118 dB (Ref: +4 dBu, 20 Hz - 20 kHz, unweighted) |
| Hum & Noise | 20 Hz - 20 kHz: Av = 0 dB, Fc = 800 Hz |
| Power | Power Consumption: 17W Power Supply: AC 100-120V ~ 50/60 Hz; Fuse: T500 mAL, AC 250V 220-240V ~ 50/60 Hz; Fuse: T250 mAL, AC 250V |
| Rackmount | Yes, 1U |
| Dimensions (WxDxH) | 19 x 7.7 x 1.7" (48.3 x 19.6 x 4.3 cm) |
| Weight | 5.5 lb (2.5 kg) |