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BEYMA 18LEX1200Nd

BEYMA 18LEX1200Nd

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BEYMA 18LEX1200Nd — 18" / 18 inch · Woofer · Subwoofer / Bass · Neodymium Magnet
1200 W AES - 98 dB - 40 – 1000 Hz - 8 Ω
Part no.: 42A-CHS-TT-BEY-0004

368.00 € 368.0 EUR 368.00 €

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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)

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BEYMA 18LEX1200Nd — 18" · Woofer · Neodymium-Magnet

1200 W AES · 98 dB Sensitivity · Frequency range 40 Hz – 1000 Hz

Technical data

  • Diameter: 18 "
  • Voice coil: 4 "
  • Power handling: 1200 W AES
  • Sensitivity: 98 dB
  • Impedance: 8 Ω
  • Magnet: Neodymium
  • Weight: 9 kg
  • Mounting depth: 225 mm
  • Frequency range: 40 – 1000 Hz

Series: LEX · Part no.: 42A-CHS-TT-BEY-0004

Thiele-Small parameters

Nominal impedance8 Ω
Resonance frequency fs36 Hz
Total Q Qts0.33
Electrical Q Qes0.35
Mechanical Q Qms10.9
Equivalent volume Vas219.0 l
Moving mass Mms200.0 g
Linear excursion Xmax11 mm
Verschiebevolumen Vd1 cm³
Force factor BL26.4 Tm
DC resistance Re5.3 Ω
Voice coil inductance Le1.7 mH

Enclosure suggestion

The EBP of 103 suggests a bass-reflex enclosure. EBP = fs / Qes = 36 / 0.35

Sealed (Qtc 0.707)

Enclosure volume Vb
61.0 l
System resonance Fc
77 Hz
Cut-off frequency F3
77 Hz

Bass reflex (QB3 after Small)recommended

Enclosure volume Vb
112.9 l
Tuning frequency Fb
44 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) 1200
Sensitivity (dB) 98
Frequency from (Hz) 40
Frequency to (Hz) 1000
Abmessungen & Korb
Diameter 18
Voice coil (inch) 4
Mounting depth (mm) 225
Weight (kg) 9
Thiele-Small-Parameter
Re (Ω) 5.3
Le (mH) 1.7
Fs (Hz) 36
Qms 10.9
Qes 0.35
Qts 0.33
Vas (l) 219
Xmax (mm) 11
Vd (cm³) 1.3
BL (Tm) 26.4
Mms (kg) 0.2