Beyma 18 G 550

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RRP 469,00 €

incl. 19% VAT (Deutschland) plus shipping
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This 18" bass loudspeaker has been specifically designed to deliver high impact bass response, with exceptional high power handling capacity (900 w AES). It incorporates an edgewound ribbon voice coil (4.5 diameter) made of high quality materials: high temperature magnet wire and polyimide fiber glass former. Another point of interest is its massive vented magnetic structure, which combined with an optimum cooling system allows a fast heat exchange, thus reducing the thermal power compression. Furthermore, the use of a dual spider assembly assures that this loudspeaker can handle a real high power with an extremely controlled voice coil displacement. This model covers the low frequency range with smooth response, low harmonic distortion and high efficiency. It is mostly recommended for high demanding subwoofer and woofer applications.

Key Features:
  • High power handling ( 900 w AES)
  • 4.5" edgewound copper voice coil displacements
  • Large Xmax allowing longer voice coil displacements
  • Dual spider configuration of improved temperature behaviour: retain good mechanical properties at high power
  • Additional heat dissipation due to the use of a metal intercooler
  • Designed for high demanding subwoofer and woofer applications

Short data

Usage as Woofer
Power Handling 900 Watt
Impedance 8 Ohm
Frequency from 25 Hz
Max. Frequency 1.5 kHz
Sound pressure 98 dB


Overall dimensions 460 mm
Baffle cutout 413 mm
Depth (Total) 205.5 mm
Front material Alu mounting ring
Frame Material Aluminium diecast
Membrane Type Cone
Membrane Surround Textile
Membrane Material Paper
Voice coil Ø 114 mm
Voice coil height 25 mm
Voice coil material Aluminium
Air gap height 11 mm
Magnet Ø 228 mm
Magnet-weight 11500 g


Resonance fs fs: 36 Hz
Mechanical Q Qms: 8.88
Electrical Q Qes: 0.39
Total Q Qts: 0.37
Equivalent Air-Volumen Vas: 210 Liter
DC-Resistance Re: 5.3 Ohm
Coil Inductance Le: 1.4 mH
Mech. Compliance Cms: 0.103 mm/N
Moving Mass Mms: 190 g
mech. Resistance Rms: 5.5 kg/s-¹
Max. Excursion +/- Xmax: 9 mm
BL Product Bl: 24.4 N/A
Membrane Area Sd: 1200 cm²
Sound pressure dB: 98 SPL
Efficiency Nref: 2.5 %

Frequency, Harmonic Distortion


Technical Dimensions

PDF-Product information

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