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HMD8 DSP/
USER’S MANUAL
8
8. TECHNICAL SPECIFICATIONS
POWER SUPPLY
HMD8 DSP 12 V
HMD8 DSP 24 V
Power supply voltage / fuse:
11
÷
15 VDC / 2 x 30 A
22
÷
34 VDC / 2 x 15 A
Operating power supply voltage:
6.5 V
÷
17 V
14 V
÷
36 V
Idling current:
1.6 A
0.96 A
Switched off without DRC:
1.7 mA
1.6 mA
Switched off with DRC:
5 mA
5 mA
Consumption @ 14.4 VDC, 2Ω, Max Musical Power:
55 A
27.5 A
Remote IN:
6
÷
15 VDC (1 mA)
6
÷
34 VDC (1 mA)
Remote OUT:
4
÷
15 VDC (150 mA)
14
÷
34 VDC (150 mA)
ART - Automatic Remote Turn on/off
from OUTPUT BTL speakers (Selectable):
2
÷
7 VDC
2
÷
7 VDC
AST - Automatic Signal Turn on/off (Selectable):
Speaker-In
Speaker-In
AMPLIFIER STAGE
HMD8 DSP
12 V
/
24 V
Distortion - THD @ 1 kHz, 4Ω, 70% Rated Power:
0.06 %
Damping factor @ 1 kHz, 4Ω, 2 VRMS:
> 110
Bandwidth @ -1.5 dB:
10Hz
÷
22 kHz
S/N ratio (A weighted @ 1 V Input) Master Input:
100 dBA
S/N ratio (A weighted @ 1 V Input) Optical Input:
105 dBA
Input sensitivity Pre-In:
0.6
÷
6 VRMS
Input sensitivity Speaker-In:
2.2
÷
22 VRMS
Minimum load impdeance:
8Ch: 2Ω
4Ch - (Bridge 1/2; 3/4; 5/6; 7/8): 4Ω
Output power (RMS) @14.4 VDC, 1% THD (HMD8 DSP); @28.8 VDC, 1% THD (HMD8 DSP 24V):
• 8 Ch @ 4Ω:
85 W x 8
• 8 Ch @ 2Ω:
130 W x 8
•
4Ch (Bridge 1/2; 3/4; 5/6; 7/8) @ 4Ω:
260 W x 4
INPUTS / OUTPUTS
HMD8 DSP
12 V
/
24 V
Pre-In Inputs:
Ch1
÷
Ch6 customizzabile
Speaker-In Inputs:
Ch1
÷
Ch6 customizzabile
Digital IN:
1 x Optical S/PDIF; Max 192 kHz / 24 bit
Sub Out (RCA Pre Out):
4 VRMS Max
DIGITAL SIGNAL PROCESSOR
HMD8 DSP
12 V
/
24 V
Filter type:
Full / Hi pass / Low Pass / Band Pass
Filter mode and slope:
Butterworth (6, 12, 18, 24, 30, 36, 42, 48, 54, 60 dB/oct)
Linkwitz-Riley (12, 24, 36, 48, 60 dB/oct)
Bessel (6, 12, 18, 24, 30, 36, 42, 48, 54, 60 dB/oct)
Chebyshev (6, 12, 18, 24, 30, 36, 42, 48, 54, 60 dB/oct)
QLP quasi-linear phase (6, 12 dB/oct)
Crossover frequency:
20
÷
20k Hz
Phase control:
0° / 180°
Output Equalizer:
Graphic and Parametric modes
n. 10 parametric poles (Peaking, High Shelf, Low Shelf,
Notch, All pass) ±12 dB gain, variable Q (0.5 – 16.0)
n. 10 graphic poles
Time Alignment Distance:
0
÷
510 cm / 0
÷
200.8 inches
Time Alignment Delay:
0
÷
15 ms
Time Alignment Step:
1 cm
Time Alignment Fine SET:
1 sample
Memories:
n. 3 memories
n. 3 parametric poles for each memory (Peaking, High
Shelf, Low Shelf) ±12 dB gain, variable Q (0.5 – 16.0)
Preset (Drive Preset):
Rotary switch for 7 installation Presets
CONTROL CONNECTIONS
HMD8 DSP
12 V
/
24 V
From / to personal computer:
1 x micro USB-B
Memory selection:
CTRL 1 / CTRL 2
GENERAL REQUIREMENTS
HMD8 DSP
12 V
/
24 V
PC connections:
Micro USB 1.1 / 2.0 / 3.0 Compatible
Software/ PC requirements:
Microsoft Windows (32/64 bit): Win 7, Win 8, Win 10
Video resolution with screen resize:
min. 1024 x 600
Ambient operating temperature range:
0 °C to 55 °C (32 °F to 131 °F)
SIZE / WEIGHT
HMD8 DSP
12 V
/
24 V
Max size W x H x D (mm/inch):
243 x 48 x 159
/
9.56 x 1.89 x 6.2
Weight (kg/lb):
2
/
4.4
