Overview

The DX48 is a newly designed digital audio processor from sica. Its extremely low noise floor, high dynamic range, and powerful internal DSP cover the vast majority of usage scenarios. Whether it's a conference room, theater, government project, high-end club, large-scale mobile performance, cinema, or broadcast television, you can use the DX series processors. Advanced circuit design and unique DSP algorithms are at the core of pure, high-quality sound.

Application Scenarios

Sica's advanced system audio processor is a high-performance and easy-to-use audio system signal processor. With 4 inputs and 8 outputs, it utilizes the latest analog-to-digital conversion and DSP technology to provide superior audio processing capabilities that surpass competitors.

Technical Features

• Core Processing:

  • The DX48's signal processing section uses powerful DSPs and AD/DA converters, operating at a 96kHz sampling rate. This comprehensive processing provides a complete speaker crossover solution.

  • From input gain/delay/noise gate/EQ/compression/FIR to output gain/delay/polarity/crossover/FIR/EQ/compression/limiter, the parametric equalizer (PEQ) offers up to 16 filter types to choose from.

• Filters:

  • Output crossover filters include the classic Linkwitz-Riley/Bessel/Butterworth, as well as NXF horn filters and FIR filters with slopes up to 120dB per octave.

  • The newly added MIR linear phase crossover filter makes it easier to combine phases at the crossover point and produces lower latency.

• Other Features:

  • New DSP plugins offer 96kHz FIR filters and more.

  • The newly designed Hard Limiter allows for constant-rate limiting of signals exceeding the threshold at any threshold, better protecting speaker drivers.

  • Each input and output channel provides a maximum of 1024 taps for FIR filters. You can use third-party software to create your desired FIR convolution for speaker presets, improving phase response and controlling directivity as needed.

  • The new MIR linear phase crossover filter has the filter shapes of traditional IIR filters (Linkwitz-Riley 24+48/oct), but does not produce any phase shift. The latency produced is approximately 50% of the FIR filter.

Specifications

• Input Impedance: <10KΩ balanced

• Output Impedance: <100Ω balanced

• A/D Dynamic Range: 118dB

• D/A Dynamic Range: 118dB

• Maximum Input Level: +20dBu

• Maximum Output Level: +18dBu

• Total Harmonic Distortion: 1 ≤0.003% (+4dBu 1kHz)  

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• Frequency Response: 20Hz - 40kHz

• Crosstalk: ≤-95dB

• Signal-to-Noise Ratio: 113dB (A-weighted) +20dBu 1kHz

• Noise Floor: ≤-94dB (A-weighted)

• Common-Mode Rejection Ratio: 60dB

• Analog Input Channels: 4

• Analog Output Channels: 8

• Rs232 Control Port: 1

• Network Control Port: 1

• Number of Presets: 30

• Dimensions: 482x44x253mm 1RU

• Net/Gross Weight: 3.3 Kg / 3.8 Kg