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IMG STAGELINE DSM-480LAN Digitalt delefilter

DKK 10.299,00

DSM-480LAN and DSM-240 are professional digital speaker management systems of high power capability with state-of-the-art DSP processors and digital converters.
These systems combine active crossover network, parametric equalizer, delay, RMS compressor and peak limiter in one unit. Thus, they are powerful tools in order to control every important feature necessary for a perfect speaker management in PA applications or for developing active speaker systems. Every feature and adjustment can be edited directly at the unit or via the USB interface, RS-485 interface or LAN TCP/IP interface (DSM-480LAN only) on the PC by means of an intuitively operated graphical user interface and then be stored in individual presets.
Digital speaker management system

  • 4 inputs and 8 outputs (XLR, balanced)
  • 2 x S/PDIF digital input, stereo
  • DSP: 2 x DREAM SAM3716, 24 bits (data) x 96 bits (coeff.)
  • Dynamic range: > 110 dB
  • Routing matrix for routing the inputs to the outputs as desired
  • Graphical user interface, PC editing software (up to 32 x DSM-480LAN can be administered)
  • 24 user presets can be stored
  • Flash card for reading and storing presets
  • Integrated tone generator for pink noise and white noise
  • Remote control via USB, RS-485 or TCP/IP LAN. With the optional USB/RS-485 converter DA-70157, it is possible to connect a PC or laptop with USB interface to the serial RS-485 interface and to address and configure several units connected to each other
  • Dot matrix display with 2 x 24 characters
  • VU meter with 7 LEDs for each channel, optionally for level display or limiter
  • 482 mm (19") rack installation, 1 RS

Input (data for each channel):

  • Gain control
  • Noise gate
  • 5 parametric equalizers with 17 types of filters (see graph)
  • Delay to be switched between time (ms) and distance (m): 849 ms max. in steps of 22 µsec or 288 m max. in steps of 6.8 mm

Output (data for each channel):

  • Crossover network with Butterworth, Linkwitz-Riley and Bessel filters as well as individually created types of filters from 6 to 48 dB/oct.
  • 7 parametric equalizers
  • 17 types of filters can be selected for each equalizer (see graph)
  • Routing matrix with routing mix for level adjustment
  • Peak limiter and RMS compressor with a ratio of up to 32:1 and adjustable soft/hard knee, threshold: from 20 dBu to -10 dBu, release time: 0.1-3 s, attack time: 5-200 ms
  • Peak limiter and RMS compressor with bypass function
  • Delay to be switched between time (ms) and distance (m): 849 ms max. in steps of 22 µsec or 288 m max. in steps of 6.8 mm
  • Selectable phase (180°)
  • Gain control
"With the DSM-480LAN, it is possible to perfectly adjust PA systems of any manufacturer to every room. A level limitation and smooth compression in each frequency range as well as fine adjustments of equalizers, special filters and the high-precision delay allow for a high-level tuning."
Xound 01/2013

"I must confess, it is quite tempting when you have the choice of so many high-performance tools. However, you should concentrate on the essential requirements. During practical applications, we used the high-pass filters and low-pass filters as an active crossover network in order to separate the top parts from the subwoofer. We adjusted the frequencies of each speaker component and set the compressor functions to allow for the speakers to provide a pleasant reproduction, even after turning up the volume. The limiter was used as a kind of emergency break, before the limiters of the power amplifiers became active. The complete performance was considerably enhanced and provided a far more transparent overall sound … The result was amazing. Our test showed that the smart DSM-480LAN features enormous processing reserves which could be used for very flexible applications due to the open design with four inputs and eight outputs. In case you require more channels when using larger PA systems, further units can be cascaded. The investment is clearly worth it."
tools4music 01/2013

"This unit provides everything required from a professional controller, perfectly suitable for the ambitioned sound engineer. THD, noise, max. input levels – for measuring purposes, the DSM-480LAN meets professional requirements."


Type digital speaker management system
Frequency range 20-20,000 Hz
Control range
Control frequencies
Input signal 7.75 V max.
Input sensitivity
Input impedance
Output signal 7.75 V max.
Output impedance
Phantom power
Gate ratio
Crossover frequency 70 Hz-1 kHz, 12 dB/oct.,
910 Hz-8 kHz, 12 dB/oct.,
subwoofer 80/120 Hz, 24 dB/oct.
High-pass filter
Low cut
Transmission ratio
S/N ratio > 110 dB
Channel separation
THD < 0.005%
Admiss. ambient temp. 0-40 °C
Power supply ˜ 230 V/50 Hz/50 VA
Dimensions 482 x 44 x 230 mm, 1 RS
Weight 2.5 kg
Inputs 4 x XLR, bal.
2 x S/PDIF
Outputs 8 x XLR, bal.
Other features USB, RS-485, TCP/IP