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18SOUND 15LW2400

18SOUND 15LW2400

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18SOUND (Eighteen Sound) 15LW2400 — 15" / 15 inch · Woofer · Subwoofer / Bass · Ferrite Magnet
4" voice coil · 4/8 Ω
Part no.: 42A-CHS-TT-18S-0013

365.00 € 365.0 EUR 365.00 €

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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)
  • BL (Tm)
  • Mms (kg)
  • Sd (m²)

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18SOUND 15LW2400 — 15" · Woofer

1200 W AES · 97 dB Sensitivity · Frequency range 40 Hz – 2200 Hz

Technical data

  • Diameter: 15 "
  • Voice coil: 4 "
  • Power handling: 1200 W AES
  • Sensitivity: 97 dB
  • Impedance: 8 Ω
  • Magnet: Ferrite
  • Weight: 11.2 kg
  • Mounting depth: 181 mm
  • Frequency range: 40 – 2200 Hz

Datasheet (PDF) · Manufacturer page

Series: LW · Part no.: 42A-CHS-TT-18S-0013

Thiele-Small parameters

Nominal impedance8 Ω
Resonance frequency fs40 Hz
Total Q Qts0.3
Electrical Q Qes0.32
Mechanical Q Qms4.75
Equivalent volume Vas131.0 l
Moving mass Mms138.0 g
Cone area Sd850 cm²
Linear excursion Xmax10 mm
Force factor BL24 Tm
DC resistance Re5.3 Ω
Voice coil inductance Le1.25 mH

Enclosure suggestion

The EBP of 125 suggests a bass-reflex enclosure. EBP = fs / Qes = 40 / 0.32

Sealed (Qtc 0.707)

Enclosure volume Vb
28.8 l
System resonance Fc
94 Hz
Cut-off frequency F3
94 Hz

Bass reflex (QB3 after Small)recommended

Enclosure volume Vb
49.3 l
Tuning frequency Fb
54 Hz
Cut-off frequency F3
61 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 18SOUND
Category Low Frequency
Series LW
Magnet Ferrite
Impedance (Ω) 8
Power handling (W) 1200
Sensitivity (dB) 97
Frequency from (Hz) 40
Frequency to (Hz) 2200
Abmessungen & Korb
Diameter 15
Voice coil (inch) 4
Mounting depth (mm) 181
Weight (kg) 11.2
Thiele-Small-Parameter
Re (Ω) 5.3
Le (mH) 1.25
Fs (Hz) 40
Qms 4.75
Qes 0.32
Qts 0.3
Vas (l) 131
Xmax (mm) 10
BL (Tm) 24
Mms (kg) 0.138
Sd (m²) 0.085