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BEYMA 21LEX1600Nd

BEYMA 21LEX1600Nd

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BEYMA 21LEX1600Nd — 21" / 21 inch · Woofer · Subwoofer / Bass · Neodymium Magnet
1600 W AES - 98 dB - 30 – 1000 Hz - 8 Ω
Part no.: 42A-CHS-TT-BEY-0001

682.00 € 682.0 EUR 682.00 €

Price on request

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  • Manufacturer
  • Category
  • Series
  • Magnet
  • 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 21LEX1600Nd — 21" · Woofer · Neodymium-Magnet

1600 W AES · 98 dB Sensitivity · Frequency range 30 Hz – 1000 Hz

Technical data

  • Diameter: 21 "
  • Voice coil: 4 "
  • Power handling: 1600 W AES
  • Sensitivity: 98 dB
  • Impedance: 8 Ω
  • Magnet: Neodymium
  • Weight: 11.8 kg
  • Mounting depth: 268 mm
  • Frequency range: 30 – 1000 Hz

Series: LEX · Part no.: 42A-CHS-TT-BEY-0001

Thiele-Small parameters

Nominal impedance8 Ω
Resonance frequency fs30 Hz
Total Q Qts0.29
Electrical Q Qes0.3
Mechanical Q Qms8.6
Equivalent volume Vas305.0 l
Moving mass Mms393.0 g
Cone area Sd1.734 cm²
Linear excursion Xmax14 mm
Verschiebevolumen Vd2.428 cm³
Force factor BL36.6 Tm
DC resistance Re5.4 Ω
Voice coil inductance Le4.7 mH

Enclosure suggestion

The EBP of 100 is in the intermediate range — either works; sealed plays tighter, bass reflex deeper and louder. EBP = fs / Qes = 30 / 0.3

Sealed (Qtc 0.707)

Enclosure volume Vb
61.7 l
System resonance Fc
73 Hz
Cut-off frequency F3
73 Hz

Bass reflex (QB3 after Small)

Enclosure volume Vb
102.6 l
Tuning frequency Fb
42 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) 98
Frequency from (Hz) 30
Frequency to (Hz) 1000
Abmessungen & Korb
Diameter 21
Voice coil (inch) 4
Mounting depth (mm) 268
Weight (kg) 11.8
Thiele-Small-Parameter
Re (Ω) 5.4
Le (mH) 4.7
Fs (Hz) 30
Qms 8.6
Qes 0.3
Qts 0.29
Vas (l) 305
Xmax (mm) 14
Vd (cm³) 2428
BL (Tm) 36.6
Mms (kg) 0.393
Sd (m²) 0.1734