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BEYMA 15LEX1600Nd

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BEYMA 15LEX1600Nd — 15" / 15 inch · Woofer · Subwoofer / Bass · Neodymium Magnet
1600 W AES - 96 dB - 40 – 1500 Hz - 8 Ω
Part no.: 42A-CHS-TT-BEY-0015

596.00 € 596.0 EUR 596.00 €

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  • Impedance (Ω)
  • Power handling (W)
  • Sensitivity (dB)
  • Frequency from (Hz)
  • Frequency to (Hz)
  • Diameter
  • Voice coil (inch)
  • Mounting depth (mm)
  • Weight (kg)
  • Re (Ω)
  • Le (mH)
  • Fs (Hz)
  • Qms
  • Qes
  • Qts
  • Vas (l)
  • Xmax (mm)
  • Vd (cm³)
  • BL (Tm)
  • Mms (kg)
  • Sd (m²)

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BEYMA 15LEX1600Nd — 15" · Woofer · Neodymium-Magnet

1600 W AES · 96 dB Sensitivity · Frequency range 40 Hz – 1500 Hz

Technical data

  • Diameter: 15 "
  • Voice coil: 4 "
  • Power handling: 1600 W AES
  • Sensitivity: 96 dB
  • Impedance: 8 Ω
  • Magnet: Neodymium
  • Weight: 8.8 kg
  • Mounting depth: 181 mm
  • Frequency range: 40 – 1500 Hz

Series: LEX · Part no.: 42A-CHS-TT-BEY-0015

Beyma 15LEX1600Nd: 15" neodymium subwoofer with 1,600 W AES at 8.8 kg

The Beyma 15LEX1600Nd combines the high power handling of the LEX 1600 class with a neodymium motor: 1,600 W AES on a 4" voice coil, 96 dB sensitivity, 8 Ω – all at 8.8 kg. It is the driver for subwoofers and bass cabinets that get carried, flown or moved in touring enclosures, where the ferrite sibling would simply be too heavy. The working range from 40 to 1,500 Hz additionally allows use as the woofer in 2-way systems with a low crossover.

In terms of parameters it brings Fs 41 Hz, Qts 0.36 and, at 91 l, the smallest Vas among the 15" LEX models – the suspension is stiffer, so the driver gets by with less box. The EBP of 102 sits just above the border beyond which vented is the better choice. A BL of 20 Tm moves a mass of 106 g, Xmax is 7 mm and displacement 616 cm³. As with the ferrite counterpart: the thermal headroom is the asset, the stroke is conventional.

Use and enclosure

From the Thiele-Small parameters a vented guide value of 73 l follows, tuned to 43 Hz, with f3 at 45 Hz. For a tour-ready 15" sub that is an easily manageable volume with useful extension. Sealed it would be 32 l at fc 81 Hz – usable as a pure bass section in a larger system or with DSP equalisation, but too little for a stand-alone sub. Run both variants cleanly through the enclosure calculator on 42.audio, including the port cross-section for 1,600 W.

Place the crossover to the top well below the upper limit of 1,500 Hz, in the usual sub/top region. With Le 1.2 mH the driver stays controlled in the upper bass. Since 1,600 W of amplifier power quickly exceeds the 7 mm Xmax below the tuning frequency, a high-pass and a limiter are mandatory in the signal chain.

What to look out for

  • 8.8 kg with neodymium – the 15" 1,600 W bass for touring and flown bass cabinets.
  • Mounting depth 181 mm: standard for 15" sub cabinets, keep the port clear of the magnet.
  • 8 Ω, Re 5.2 Ω: amplifier up to 1,600 W into 8 Ω, set the limiter to the 7 mm Xmax.
  • Vas 91 l, Qts 0.36: the smallest enclosure within the 15" LEX range.
  • Upper limit 1,500 Hz – also usable as the woofer in a 2-way system with a low crossover.

Frequently asked questions

How does the 15LEX1600Nd differ from the 15LEX1000Nd?

Both share Fs 41 Hz and a Qts around 0.36 to 0.37. The 15LEX1600Nd has the 4" coil with 1,600 W AES and, at 91 l, a smaller Vas than the 15LEX1000Nd at 113 l, so it needs less box while handling more power. If you never push 1,600 W, the lighter 15LEX1000Nd is the more economical choice.

Which amplifier is recommended for the 15LEX1600Nd?

A channel with up to 1,600 W into 8 Ω exploits the thermal headroom. What matters is a high-pass below the tuning and a limiter, because mechanically the 7 mm Xmax limits long before the voice coil does.

How does it compare with the 18 Sound 15ND840?

The 15ND840 has similar figures with Fs 43 Hz and Qts 0.37, but a considerably larger Vas of 163 l. The Beyma with 91 l Vas gets by with noticeably less volume – an advantage when the sub has to stay compact.

Beyma 15LEX1600Nd: manufacturer, spellings and classification

Beyma and Acustica Beyma refer to the same manufacturer: Acústica Beyma S.L. of Moncada near Valencia, Spain. The 15LEX1600Nd is a 15-inch woofer with neodymium magnet from the LEX series, available from 42.audio, Beyma dealer in Germany, with datasheet and full specifications in the driver database.

At 42.audio you get the BEYMA 15LEX1600Nd with all key data in the driver database and the enclosure calculator. More drivers from this manufacturer: Atlas Beyma.

Thiele-Small parameters

Nominal impedance8 Ω
Resonance frequency fs41 Hz
Total Q Qts0.36
Electrical Q Qes0.4
Mechanical Q Qms9.8
Equivalent volume Vas91.0 l
Moving mass Mms106.0 g
Cone area Sd880 cm²
Linear excursion Xmax7 mm
Displaced volume Vd616 cm³
Force factor BL20 Tm
DC resistance Re5.2 Ω
Voice coil inductance Le1.2 mH

Enclosure suggestion

The EBP of 102 suggests a bass-reflex enclosure. EBP = fs / Qes = 41 / 0.4

Sealed (Qtc 0.707)

Enclosure volume Vb
31.9 l
System resonance Fc
81 Hz
Cut-off frequency F3
81 Hz

Bass reflex (QB3 after Small)recommended

Enclosure volume Vb
62.5 l
Tuning frequency Fb
46 Hz
Cut-off frequency F3
48 Hz

Vb is the required net internal volume, Fb the tuning frequency of the reflex port and F3 the frequency at which the level has dropped by 3 dB. Calculated approximation after Small. A starting point for simulation, not a finished build plan.

Comparable drivers

Same size, same type, Qts within ±30 %.

Specifications

Allgemein
Manufacturer BEYMA
Category Low Frequency
Series LEX
Magnet Neodymium
Impedance (Ω) 8
Power handling (W) 1600
Sensitivity (dB) 96
Frequency from (Hz) 40
Frequency to (Hz) 1500
Abmessungen & Korb
Diameter 15
Voice coil (inch) 4
Mounting depth (mm) 181
Weight (kg) 8.8
Thiele-Small-Parameter
Re (Ω) 5.2
Le (mH) 1.2
Fs (Hz) 41
Qms 9.8
Qes 0.4
Qts 0.36
Vas (l) 91
Xmax (mm) 7
Vd (cm³) 616
BL (Tm) 20
Mms (kg) 0.106
Sd (m²) 0.088