HMD8 DSP

The HMD8 DSP, powered by Hertz Marine DSP technology, rich new highs of listening pleasure during navigation. DSP user friendly PC-Software interface make the setup process a breeze, exploiting every single pills of performance from the installed speaker system. The amazing power of 8 * 85 W or 4 * 260 W (RMS@ 4Ω) gives the HMD 8DSP the capability to drive with authority the complete speaker system generating tons of crystal clear SPL up to 3 different zone of the vessel. "Power for the Waves” design philosophy features a sturdy enclosure made of extruded aluminum with an anti-corrosion treated PCB to ensure years of listening pleasure in open water.

 

General Specifications
POWER SUPPLY
Operating power supply voltage 11 ÷ 15 VDC / 2 x 30A
Power supply 6.5V ÷ 17V
Idling current 1.6 A
Switched off without DRC 1.7mA
Consumption @ 14.4 VDC, 2Ω, Max Musical Power 55 A
Remote IN voltage 6 ÷ 15 VDC (1 mA)
Remote OUT voltage 4 ÷ 15 VDC (150 mA)
Audio Specifications
AMPLIFIER STAGE
Distortion - THD @ 1 kHz, 4Ω, 70% Rated Power 0.06%
Damping factor @ 1 kHz, 4Ω, 2 VRMS > 110
Bandwidth @ -1.5 dB 10Hz ÷ 22kHz
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 impedance 8Ch: 2Ω
4Ch - (Bridge 1/2; 3/4; 5/6; 7/8) : 4Ω
OUTPUT POWER (RMS) @28.8 VDC, 1% THD:
8Ch @ 4Ω 85 W x 8
8Ch @ 2Ω 130 W x 8
4Ch (Bridge 1/2; 3/4; 5/6; 7/8) @ 4Ω 260 W x 4
Digital Signal Processor
Filter type Full / High pass / Low pass / Band pass
Filter model 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 Hz – 20000 Hz integer values
Phase control 0 ° - 180°, all pass equalizer poles
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 step 1 sample
Memories n. 2 memories
n. 3 parametric poles for each memory (Peaking, High Shelf, Low Shelf) ±12 dB gain, variable Q (0.5 – 16.0)
Preset Rotary switch for 7 installation presets
Physical Specs
Max size W x H x D (mm/inch) 238 x 49,5 x 155 / 9.37 x 1.95 x 6.1
Weight (kg/lbs) 1,98 / 4.36
Input/Output
HMD8 DSP HMD8 DSP
Technologies
HMD8 DSP
BUILT-IN DSP

Hertz marine dsp technology allows you to move freely in the boat preserving a perfect surround effect, even with outdoor listening.

HMD8 DSP
MULTI ZONE SETUP

Hertz Marine DSP optimizes acoustic performance for each of the 3 configurable listening zones, regardless of where the speakers are installed and the point of the passenger within the zone, maximizing listening pleasure while cruising.

HMD8 DSP
CROSSOVER FILTER

Filter Type
Full / High pass / Low pass / Band pass
Filter model and slope
Butterworth, Linkwitz-Riley, Bessel, Chebyshev, QLP quasi-linear phase

HMD8 DSP
SPEAKERS EMISSION TIME ALIGMENT

0 – 510 cm (0 – 200.8 inches)

HMD8 DSP
GRAPHIC PARAMETRIC EQ

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

HMD8 DSP
PC-SOFTWARE

Hertz Navigator software allow to create pre-optimized software setup files for a specific boat model and the related audio system installed, ensuring a correct acoustic result in a very short time.

HMD8 DSP
ADVANCE D-CLASS

Thanks to the Hertz advanced D-CLASS output stage, HMD8 DSP joins maximum sound quality with unmatched efficiency to be very compact and easily installed in any position of the boat.