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BEYMA 18LEX1000Nd

BEYMA 18LEX1000Nd

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BEYMA 18LEX1000Nd — 18" / 18 inch · Woofer · Subwoofer / Bass · Neodymium Magnet
1000 W AES - 98 dB - 35 – 1000 Hz - 8 Ω
Part no.: 42A-CHS-TT-BEY-0005

384.00 € 384.0 EUR 384.00 €

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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)
  • Sd (m²)

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BEYMA 18LEX1000Nd — 18" · Woofer · Neodymium-Magnet

1000 W AES · 98 dB Sensitivity · Frequency range 35 Hz – 1000 Hz

Technical data

  • Diameter: 18 "
  • Voice coil: 3.5 "
  • Power handling: 1000 W AES
  • Sensitivity: 98 dB
  • Impedance: 8 Ω
  • Magnet: Neodymium
  • Weight: 7.6 kg
  • Mounting depth: 233 mm
  • Frequency range: 35 – 1000 Hz

Series: LEX · Part no.: 42A-CHS-TT-BEY-0005

Thiele-Small parameters

Nominal impedance8 Ω
Resonance frequency fs34 Hz
Total Q Qts0.39
Electrical Q Qes0.42
Mechanical Q Qms5.6
Equivalent volume Vas260.0 l
Moving mass Mms185.0 g
Cone area Sd1.255 cm²
Linear excursion Xmax11 mm
Verschiebevolumen Vd1.255 cm³
Force factor BL22 Tm
DC resistance Re5.1 Ω
Voice coil inductance Le1.6 mH

Enclosure suggestion

The EBP of 81 is in the intermediate range — either works; sealed plays tighter, bass reflex deeper and louder. EBP = fs / Qes = 34 / 0.42

Sealed (Qtc 0.707)

Enclosure volume Vb
113.7 l
System resonance Fc
62 Hz
Cut-off frequency F3
62 Hz

Bass reflex (QB3 after Small)

Enclosure volume Vb
232.6 l
Tuning frequency Fb
35 Hz
Cut-off frequency F3
36 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) 1000
Sensitivity (dB) 98
Frequency from (Hz) 35
Frequency to (Hz) 1000
Abmessungen & Korb
Diameter 18
Voice coil (inch) 3.5
Mounting depth (mm) 233
Weight (kg) 7.6
Thiele-Small-Parameter
Re (Ω) 5.1
Le (mH) 1.6
Fs (Hz) 34
Qms 5.6
Qes 0.42
Qts 0.39
Vas (l) 260
Xmax (mm) 11
Vd (cm³) 1255
BL (Tm) 22
Mms (kg) 0.185
Sd (m²) 0.1255