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18SOUND 15NW530

18SOUND 15NW530

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18SOUND (Eighteen Sound) 15NW530 — 15" / 15 inch · Woofer · Subwoofer / Bass · Neodymium
3" voice coil · 8 Ω
Part no.: 42A-CHS-TT-18S-0056

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 15NW530 — 15" · Woofer

500 W AES · 96 dB Sensitivity · Frequency range 47 Hz – 3500 Hz

Technical data

  • Diameter: 15 "
  • Voice coil: 3 "
  • Power handling: 500 W AES
  • Sensitivity: 96 dB
  • Impedance: 8 Ω
  • Magnet: Neo
  • Weight: 4.4 kg
  • Mounting depth: 169 mm
  • Frequency range: 47 – 3500 Hz

Datasheet (PDF) · Manufacturer page

Series: NW · Part no.: 42A-CHS-TT-18S-0056

Thiele-Small parameters

Nominal impedance8 Ω
Resonance frequency fs43 Hz
Total Q Qts0.33
Electrical Q Qes0.35
Mechanical Q Qms5.81
Equivalent volume Vas154.0 l
Moving mass Mms135.0 g
Cone area Sd855 cm²
Linear excursion Xmax7.5 mm
Force factor BL22 Tm
DC resistance Re5.3 Ω
Voice coil inductance Le1.4 mH

Enclosure suggestion

The EBP of 123 suggests a bass-reflex enclosure. EBP = fs / Qes = 43 / 0.35

Sealed (Qtc 0.707)

Enclosure volume Vb
42.9 l
System resonance Fc
92 Hz
Cut-off frequency F3
92 Hz

Bass reflex (QB3 after Small)recommended

Enclosure volume Vb
79.4 l
Tuning frequency Fb
53 Hz
Cut-off frequency F3
58 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 NW
Magnet Neo
Impedance (Ω) 8
Power handling (W) 500
Sensitivity (dB) 96
Frequency from (Hz) 47
Frequency to (Hz) 3500
Abmessungen & Korb
Diameter 15
Voice coil (inch) 3
Mounting depth (mm) 169
Weight (kg) 4.4
Thiele-Small-Parameter
Re (Ω) 5.3
Le (mH) 1.4
Fs (Hz) 43
Qms 5.81
Qes 0.35
Qts 0.33
Vas (l) 154
Xmax (mm) 7.5
BL (Tm) 22
Mms (kg) 0.135
Sd (m²) 0.0855