M28Q and M28Q HDSP+ETH
Channel Handling
Number of channels
analog input connectors
Speaker connectors
Audio
Gain
input sensitivity @ 8 Ω
Max input level
Frequency response ( ±0.5 dB , 1 W @ 8 Ω)
crosstalk (1 kHz)
S/N ratio (20 Hz - 20 kHz a-Weighted @ 8 Ω)
input impedance
THD+N (from 0.1 W to Full power)
DiM (from 0.1 W to Full power)
Slew rate (input filter bypassed @ 8 Ω)
Damping Factor @ 8 Ω, 20 Hz - 100 Hz
DSP*
architecture
analog Devices SigmaDSp® 50 MipS
aD/Da converters
internal precision
28 bit data path with 56 bit internal processing
Latency
up to 4 local presets, unlimited via armonía pro
Memory/presets
Delay
parametric iir: peaking, hi/lo-shelving, all-pass,
Equalizer
crossover
Limiters
remote control
Networking*
Standards compliance
1x rJ45 auto-sensing 10/100 Mbps uTp port
Supported topologies
remote interface
12 V / 1 a max for DSp management and remote on/off
auxiliary supply
* only for HDSp+ETH model.
uniquement pour le modèle HDSp+ETH.
Sólo para el modelo HDSp.
Solo per il modello HDSp+ETH.
只为HDSP模型
Nur für HDSp+ETH Modell.
только для HDSP модели.
Somente para o modelo HDSp.
66 | M Series
4 in / 4 out mono,
bridgeable per ch. pair
4x XLr
4x NL4MD speakoN
32 dB, 30 dB, 28 dB, 26 dB,
24 dB, 22 dB, 20 dB, 18 dB,
14 dB, 4 dB, -∞, user selectable
1.34 V / +4.7 dBu
6 V / +17.8 dBu
20 Hz - 20 kHz
> 70 dB
> 111 dB
10 kΩ balanced
< 0.02%
(typical < 0.005%)
< 0.02%
(typical < 0.005%)
> 40 V/µs
> 5000
cirrus Logic® 24 bit 48 kHz
1.0 ms fixed latency architecture
audio Suite™ software
340 ms input delay
10 ms per channel output delay
band-pass, band-stop, hi/lo-pass
Butterworth, Linkwitz-riley, Bessel:
6 dB/oct to 48 dB/oct (iir)
peak limiter, rMS limiter,
frequency dependent rMS limiter
armonía pro audio Suite™ software
star, daisy-chain, closed loop
armonía pro audio Suite™
via 2 pin phoenix
McV 1,5/ 2-G-3,81
2
Output Stage
Maximum output power per channel @ 8 Ω
Maximum output power per channel @ 4 Ω
Maximum output power @ 8 Ω Bridged
Maximum unclipped output voltage
Maximum output current
The power figure is calculated by driving and loading symmetrically all the
channels: uneven loads allow to achieve highest performance.
AC Mains Power
power supply
Nominal voltage (±10%)
power factor (> 500 W ouput)
consumption/current draw
idle
1/8 Max output power @ 4 Ω
1/4 Max output power @ 4 Ω
ac Mains connector
Thermal
operating temperature
cooling
Thermal dissipation
idle
1/8 Max output power @ 4 Ω
1/4 Max output power @ 4 Ω
Construction
Dimensions L x H x W
483 mm x 44.5 mm x 379 mm (19.0 in x 1.8 in x 14.9 in)
Weight
360 W
700 W
1400 W
85 V
peak
65 a
peak
universal regulated switch more with pFc
100-240 V @ 50-60Hz
> 0.95
@ 115 V
@ 230 V
62 W
0.6 a
62 W
580 W
7.48 a
580 W
1066 W
13.04 a
1066 W
iEc c14 inlet;
region-specific power cord provided
0° - 45° c / 32° - 113° F
Fan, continuously variable speed,
temperature controlled, front to rear airflow
212 BTu/h
53 kcal/h
785 BTu/h
198 kcal/h
1249 BTu/h
315 kcal/h
7.4 kg (16 lb)
0.51 a
3.74 a
6.52 a