Beyma SM-108

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RRP 99,00 €

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SM108

The design concept of this low frequency transducer arises from the need of achieve a more resistant loudspeaker that matches the more and more power given by ultimate amplification systems. In order to accomplish that, almost every component of the speaker has been reconsidered. The SM-108 incorporates a 2" voice coil made with high quality materials: copper round wire with high temperature bonding strength and fiber glass former. Moreover, it features a powerful magnet system with rear air ventilation. By the other hand, its special surround guarantees the possibility of long displacements with linear behaviour. All these facts result in a 8" driver with extended and smooth low-mid frequency response, reduced harmonic distortion, good efficiency and excellent power handling (150 w AES). The SM-108 is specially recommended for woofer applications.

Key features:
  • High power handling (150 w AES)
  • 2" (51.7 mm) copper voice-coil with polyimide fiber glass former
  • Optimum winding length for increased linear excursion
  • Designed for high power woofer applications

Short data

Usage as Woofer
Power Handling 150 Watt
Impedance 8 Ohm
 
Frequency from 65 Hz
Max. Frequency 6 kHz
Sound pressure 95 dB

Chassis-data

Overall dimensions 212 mm
Baffle cutout 181 mm
Depth (Total) 94 mm
Front material Aluminium diecast
Frame Material Aluminium diecast
Membrane Type Cone
Membrane Surround Textile
Membrane Material Paper
 
Voice coil Ø 51.7 mm
Voice coil height 15 mm
Voice coil material Aluminium
Air gap height 7 mm
Magnet Ø 134 mm
Magnet-weight 2800 g

Thiele-Small-Parameter

Resonance fs fs: 69 Hz
Mechanical Q Qms: 7.01
Electrical Q Qes: 0.39
Total Q Qts: 0.37
Equivalent Air-Volumen Vas: 16 Liter
DC-Resistance Re: 6.3 Ohm
Coil Inductance Le: 1.5 mH
 
Mech. Compliance Cms: 0.225 mm/N
Moving Mass Mms: 24 g
mech. Resistance Rms: 1.5 kg/s-¹
Max. Excursion +/- Xmax: 4 mm
BL Product Bl: 13 N/A
Membrane Area Sd: 220 cm²
Sound pressure dB: 95 SPL
Efficiency Nref: 1.3 %

Frequency, Harmonic Distortion

Impedance

Technical Dimensions

PDF-Product information

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