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HMD8 DSP 24V

8 CH 24 V MARINE AMPLIFIER WITH DSP

The HMD8 DSP 24V, 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.

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PC-Software and Firmware

Data table

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

Bass boost

Analog input equalizer

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

 

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

Input / Output

Technologies

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

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

    0 - 510 cm (0 - 200.8 inches)
  • GRAPHIC PARAMETRIC EQ

    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.
  • 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.
  • ADVANCE D-CLASS

    Thanks to the Hertz advanced D-CLASS output stage, HMD8 DSP 24V joins maximum sound quality with unmatched efficiency to be very compact and easily installed in any position of the boat.

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