Hertz HMD8DSP 8 Channel D-Class Marine Amplifier w/ DSP

The HMD8DSP, powered by Hertz Marine DSP technology, 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 x 85 W or 4 x 260 W (RMS@ 4Ω) gives the HMD8DSP 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.

Specification:

• 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: N/A
• ANALOG INPUT EQUALIZER: N/A
• OUTPUT EQUALIZER:
  • GRAPHIC AND PARAMETRIC MODES
  • 10 PARAMETRIC POLES (Peaking, High Shelf, Low Shelf, Notch, All pass) ±12 dB gain, variable Q (0.5 "“ 16.0)
  • 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:
  • 2 MEMORIES
  • 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 @ -1.5dB: 10Hz - 22kHz
• S/N RATIO (A weighted @ 1V Input) MASTER INPUT: 100 dBA
• S/N RATIO (A weighted @ 1V 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) @14.4 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

Features:

• Built in DSP, 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 Alignment, 0 - 510 cm (0 - 200.8 inches)
• 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
• 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 joins maximum sound quality with unmatched efficiency to be very compact and easily installed in any position of the boat