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HMX 7.7 S-LD-SW.2
Technical Highlights
- Leistung von 100 W RMS, Impedanz bei 4 Ohm, Frequenz 45–25.000 Hz.
- Spitzenbelastbarkeit 200 W Peak, Hochtöner-Durchmesser 36 mm.
- Schwingspule 32 mm, Magnetmaterial Ferrit und Neodym, Gewicht 1,66 kg.
- More technical details
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HMX 7.7 S-LD-SW.2 by Hertz
The HMX 7.7 S-LD-SW.2 from Hertz is an 8" (20 cm) coaxial speaker system that impresses with its versatility and power. With a 2-way coaxial system, a frequency range of 45 – 25,000 Hz, and an impedance of 4 Ohm, it offers a wide sound variety. The speaker has a continuous power handling of 100 W RMS and a peak power handling of 200 W Peak. The materials of the system include a neodymium tweeter and a polypropylene diaphragm reinforced with UV inhibitors. Weighing 1.66 kg, the speaker ensures stable and durable sound performance.
Technical specifications
- Model type: 2-way coaxial system
- Chassis size: 7.7 inches
- Continuous power handling: 100 W RMS
- Peak power handling: 200 W Peak
- Impedance: 4 Ohm
- Frequency range: 45 – 25,000 Hz
- Tweeter diameter: 36 mm
- Mid-bass voice coil diameter: 32 mm
- Tweeter voice coil diameter: 20 mm
- Mid-bass magnet material: Ferrite (High-Density)
- Tweeter magnet material: Neodymium
- Mid-bass magnet size: 90 x 40 x 20 mm
- Tweeter magnet size: 19.7 x 3 mm
- Diaphragm material: Polypropylene with UV inhibitors
- Tweeter dome material: PEI
- Maximum mechanical excursion (Xmech): +/- 8.5 mm
- Weight per speaker: 1.66 kg
Electro-acoustic parameters (TSP)
- Effective diaphragm diameter (D): 146 mm
- Maximum linear excursion (Xmax): 6 mm
- DC resistance (Re): 3.3 Ohm
- Resonance frequency (Fs): 60 Hz
- Voice coil inductance (Le): 0.56 mH
- Equivalent volume (Vas): 12.50 l
- Moving mass (Mms): 22 g
- Suspension compliance (Cms): 0.32 mm/N
- Force factor (BL): 6 Tm
- Total quality (Qts): 0.72
- Electrical quality (Qes): 0.76
- Mechanical quality (Qms): 11.8
- Reference sound pressure level (SPL): 91 dB
Dimensions

- A 196 mm
- B 158 mm
- C 113 mm
- D 79 mm
- F 34 mm
Frequency response


