Beyma 15 XA 38 ND - Coaxial Neodym

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RRP 715,00 €

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This 15" coaxial loudspeaker is intended for the most demanding professional applications. Its low frequency unit features a 4" (100 mm) edgewound aluminium ribbon voice coil capable of handle 350 w AES. This bass unit has been optimized in order to fit in with the most compact bass-reflex systems. The high frequency unit uses a 2.8" (72.2 mm) aluminium ribbon voice coil and a composite structure diaphragm, that is to say, a titanium dome and polyester surround combination. All these components give as a result a coherent and extended frequency response with low distortion that ranges from 25 Hz up to 20 kHz. Moreover, the use of a common neodymium magnet system for both units reduces the weight to 6.8 kg.

Key features:
  • 15" bass loudspeaker and 2" exit compression driver combination
  • Excellent power handling: 350 w AES (L.F. unit) and 90 w AES (H.F. unit)
  • Extended and linear frequency response (25-20000 Hz)
  • High sensitivity: 99 dB (L.F. unit) and 105 dB (H.F. unit)
  • Low weight (common neodymium magnet system for both units)
  • Bass loudspeaker designed for compact bass-reflex cabinets

Short data

Usage as Fullrange
Power Handling 380 Watt
Impedance 8 Ohm
Frequency from 25 Hz
Max. Frequency 3.5 kHz
Sound pressure 99 dB


Overall dimensions 388 mm
Baffle cutout 352 mm
Depth (Total) 181 mm
Front material Aluminium diecast
Frame Material Aluminium diecast
Membrane Type Cone
Membrane Surround Coated Textile
Membrane Material Paper
Voice coil Ø 100 mm
Voice coil height 16 mm
Voice coil material Aluminium
Air gap height 9 mm
Magnet Ø 160 mm
Magnet-weight 4200 g


Resonance fs fs: 33 Hz
Mechanical Q Qms: 7.5
Electrical Q Qes: 0.3
Total Q Qts: 0.29
Equivalent Air-Volumen Vas: 359 Liter
DC-Resistance Re: 6.8 Ohm
Coil Inductance Le: 1.6 mH
Mech. Compliance Cms: 0.326 mm/N
Moving Mass Mms: 72 g
mech. Resistance Rms: 2 kg/s-¹
Max. Excursion +/- Xmax: 4 mm
BL Product Bl: 18.2 N/A
Membrane Area Sd: 880 cm²
Sound pressure dB: 99 SPL
Efficiency Nref: 4 %

Frequency LF & HF

Frequency, Harmonic Distortion

Technical Dimensions

PDF-Product information

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