2ch analog audio output module

Summary & Images Specs Downloads & Support
  • 109 dB dynamic range – for the best audio performance without disruptive incidental noise
  • 100 Ω symmetrical output driver – loss-free control of multiple parallel switched output stages and long cables
  • Output relay – activation delay and rapid separation for effective suppression of input and output noise. Automatic control for parallel wiring in redundant systems
  • Automatic configuration – mounting changes/deviations are detected and displayed in IRIS-Net
  • Output transformer – transformers (Lundahl LL1517) can be retrofitted as an option

The DPM AO-1 is 2-channel analog audio output module for the DPM 8016 PROMATRIX CONTROLLER.

The audio signals are connected via screw-in Euroblock connectors. The output level of both channels can be switched internally between +6 dBu and +18 dBu.

Linear, high-precision 24 bit converters are used for the D/A conversion. The internal signal preparation uses a 48-bit name length.


Supply voltage/current +3.3 V DC, ± 0.3 V / 6 mA
+5 V DC, ± 0.3 V / 55 mA
+18 V DC, ± 0.5 V / 63 mA
-18 V DC, ± 0.5 V / 30 mA
Audio outputs 2 x 3-pin Euroblock connectors, electronically symmetrical
• Output level (nominal) +6 dBu/1.55 V (jumper closed)
• Output level (max. before clip) +18 dBu/6.15 V (jumper open)
• Output impedance 100 Ω
• Min. load impedance 600 Ω
• D/A conversion 24 bit, sigma-delta, 128 timesoversampling

Frequency response 20–20,000 Hz (-0.5 dB)                                                                                                     
Signal-to-noise ratio (A-weighted) 109 dB typical
THD+N < 0.003%
Output balance > 40 dB
Crosstalk < -110 dB
Sample rate 48 kHz
Data format 24-bit linear D/A conversion, 48-bit processing
Operating temperature -5 °C to +45 °C
Product dimensions (Width by Height by Depth) 81.8 x 27.3 x 189.3 mm
Net weight 100 g
Optional accessories
• Output transformer Type LL1517, LundahlTransformers, Sweden

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