Ashly Ne4400 Digital Signal Network Processor

by Ashly

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Ashly NE4400 overview


The ne4400 from Ashly is a 4 input, 4 output network enabled digital signal processor that offers ease of use, setup and control using standard 10/100 Ethernet protocol and Protea NE software. No special outboard control units are needed. The DSP signal processing library is extensive and utilizes multiple SHARC processors.


Processing blocks include an 8 x 8 matrix mixer, a full complement of variable Q graphic and parametric EQ, up to 8th-order Butterworth, Bessel, Linkwitz,and Notched-Linkwitz crossover filters, and an advanced automatic feedback suppressor. Also included are autolevelers, compressors, matrix duckers, limiters, frequency-keyed noise gates, time delay up to 1365ms on every channel, sinewave, pink noise and white noise generators.

All programming is accomplished using Ethernet or RS-232 protocol and the Protea NE software running under Windows. Hot-plug software control allows for plugging any function into any channel block even when running live audio with no latency or recompiling necessary. Automatic DHCP network IP configuration reduces network set up time. No front panel controls and multi-level software security with password access assures a tamper-proof audio system.

4 x 4 audio processor for networked systems with 10/100 Ethernet and an RS-232 computer interface
Easy and intuitive user interface
24-bit A/D and D/A audio resolution with 48kHz and 96kHz sample rates
32-bit SHARC DSP processors ensure extensive DSP is always available
Hot-plug software control
Automatic DHCP network IP configuration
Butterworth, Bessel, Linkwitz and Notched-Linkwitz filters
Advanced automatic feedback suppression
Euroblock connectors for audio, preset recall, DC remote level control and data in/out
Word clock input and output
4 dedicated remote controls for level, logic I/O and programmable functions
Functions with third party control
Input and output metering
Multi-level security

Ashly NE4400 specs

ADC 24-bit
DAC 24-bit
Sample Rates 48 and 96kHz
Analog Inputs 4 x Euroblock Line
Analog Outputs 4 x Euroblock Line
Digital Inputs No
Digital Outputs No
Other Connectors 1 x Euroblock 12V Digital Logic I/O
1 x Euroblock 5VDC Remote Control
1 x Euroblock Remote Data
1 x RS-232
1 x RJ-45 Ethernet
Word Clock 2 x BNC I/O
Maximum Input Level +20dBu
Maximum Output Level +20dBu
Dynamic Range >114dB, unweighted 20Hz to 20kHz
Frequency Response 20Hz to 20kHz, +/-0.25dB
THD + N <0.002%, 1kHz, +20dBu
Power Requirements 100~240VAC, 50/60Hz
UPC: 694970484740