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BEYMA 18LEX1000Fe

BEYMA 18LEX1000Fe

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BEYMA 18LEX1000Fe — 18" / 18 inch · Woofer · Subwoofer / Bass · Ferrite Magnet
1000 W AES - 98 dB - 35 – 1000 Hz - 8 Ω
Part no.: 42A-CHS-TT-BEY-0012

315.00 € 315.0 EUR 315.00 €

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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 18LEX1000Fe — 18" · Woofer · Ferrite-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: Ferrite
  • Weight: 11.75 kg
  • Mounting depth: 224 mm
  • Frequency range: 35 – 1000 Hz

Series: LEX · Part no.: 42A-CHS-TT-BEY-0012

Thiele-Small parameters

Nominal impedance8 Ω
Resonance frequency fs34 Hz
Total Q Qts0.38
Electrical Q Qes0.39
Mechanical Q Qms7.3
Equivalent volume Vas250.0 l
Moving mass Mms196.0 g
Cone area Sd1.255 cm²
Linear excursion Xmax11 mm
Verschiebevolumen Vd1.380 cm³
Force factor BL23.8 Tm
DC resistance Re5.4 Ω
Voice coil inductance Le1.9 mH

Enclosure suggestion

The EBP of 87 is in the intermediate range — either works; sealed plays tighter, bass reflex deeper and louder. EBP = fs / Qes = 34 / 0.39

Sealed (Qtc 0.707)

Enclosure volume Vb
101.6 l
System resonance Fc
63 Hz
Cut-off frequency F3
63 Hz

Bass reflex (QB3 after Small)

Enclosure volume Vb
205.2 l
Tuning frequency Fb
36 Hz
Cut-off frequency F3
37 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 Ferrite
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) 224
Weight (kg) 11.75
Thiele-Small-Parameter
Re (Ω) 5.4
Le (mH) 1.9
Fs (Hz) 34
Qms 7.3
Qes 0.39
Qts 0.38
Vas (l) 250
Xmax (mm) 11
Vd (cm³) 1380
BL (Tm) 23.8
Mms (kg) 0.196
Sd (m²) 0.1255