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DP-SP3 Digital Speaker Processor

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DP-SP3
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Quick Overview

The DP-SP3 is a 1U rack mountable Digital speaker processor having 2 inputs and 6 outputs. It features digital signal processing functions such as Equalizer, Crossover, Matrix, Compressor, and Delay. Other functions include input PAD, analog output attenuator, output MUTE, EQ characteristic library for TOA speakers, and contact input terminals. When connected to a LAN, settings and operations of the DP-SP3 can be performed on a PC with the supplied DP-SP3 PC Software installed. It can be mounted in an EIA component rack (1U size).

* 0 dB = 0.775 V
Power Source220-240 V AC, 50/60 Hz
Power Consumption25 W
Frequency Response20 Hz - 20 kHz, ±1 dB
Sampling Frequency96 kHz
Dynamic Range110 dB or more
Distortion0.03 % or less, 1 kHz, +4 dB* input/output, 20 Hz - 20 kHz BPF
Crosstalk-80 dB or less, 1 kHz
Input2 channels, +4 dB* (max. +24 dB*), 10 kΩ, electronically-balanced,                                   
removable terminal block (3P)
Output6 channels, +4 dB* (max. +24 dB*), applicable load 600 Ω or more,
electronically-balanced, removable terminal block (3P)
AD Converter24 bits
DA Converter24 bits
Preset Memory16
 
Signal Processing Section
Equalizer/Filter                Parametric equalizer: 20 Hz - 20 kHz, ±15 dB, Q: 0.267 - 69.249
Filter:
High-pass filter: 20 Hz - 20 kHz, 6 dB/oct, 12 dB/oct
Low-pass filter: 20 Hz - 20 kHz, 6 dB/oct, 12 dB/oct
Notch filter: 20 Hz - 20 kHz, Q: 8.651 - 69.249
All-pass filter: 20 Hz - 20 kHz, Q: 0.267 - 69.249
High-shelving filter: 5 - 20 kHz, ±15 dB
Low-shelving filter: 20 - 500 Hz, ±15 dB
Horn equalizer: 20 kHz, 0 - 18 dB in 0.5 dB steps
Crossover2 ways, 3 ways, 4 ways
Crossover filter: 20 Hz - 20 kHz, 6 dB/oct, 12 dB/oct, 18 dB/oct, 24 dB/oct,
-15 to +12 dB, polarity switchable
Delay: 0 - 170.656 ms in 0.01 ms steps
CompressorThreshold: -20 to +20 dB* in 1 dB steps
Ratio: 1:1, 1.1:1, 1.2:1, 1.3:1, 1.5:1, 1.7:1, 2:1, 2.3:1, 2.6:1, 3:1, 4:1, 7:1, 8:1, 10:1, 12:1, 20:1, infinity:1
Attack time: 0.2 ms - 5 s
Release time: 10 ms - 5 s
DelayDelay time: 0 - 682.656 ms in 0.01 ms steps
Matrix2 × 6
Crosspoint Gainminus infinity to 0 dB in 1 dB steps
FunctionInput PAD (-14 dB) control, analog output attenuator
(- to 0 dB in 1 dB steps) control, EQ characteristic library for TOA speakers input/output level indicator (4-point LED indicator), output MUTE switch ×6
 
Control
Contact input          4 channels, open voltage: 5 V DC, short-circuit current: 5 mA,
removable terminal block (5 P),
control function: preset memory selection, volume control, and mute
NetworkNetwork I/F: 1 channel of 10BASE-T/100BASE-TX (auto-negotiation)
RJ45 connector, connection via switching hub
Network protocol: TCP/IP
Connection cable: Shielded Cat. 5 or higher twisted pair cable for LAN
(Cat. 5-STP or better)
Maximum cable length: 100 m (109.36 yd) (between DP-SP3 and switching hub)              

 

Operating Temperature0 ℃ to +40 ℃ (32 ゜F to 104 ゜F)
Operating Humidity90 %RH (no condensation)
FinishPanel: Aluminum, hairline, black, Case: Surface-treated steel plate
Dimensions482 (W) × 44 (H) × 289 (D) mm (18.98" × 1.73" × 11.38")
Weight3.1 kg (6.83 lb)
AccessoriesPower supply cord ((2 m (6.56 ft)) ×1, removable terminal plug (3P) ×8,                         
removable terminal plug (5P) ×1, rack mounting screw ×4,
CD-ROM (containing setup software) ×1
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SKUDP-SP3
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