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18SOUND 15NLW9300

18SOUND 15NLW9300

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18SOUND (Eighteen Sound) 15NLW9300 — 15" / 15 inch · Woofer · Subwoofer / Bass · Neodymium
4" voice coil · 8 Ω
Part no.: 42A-CHS-TT-18S-0050

425.00 € 425.0 EUR 425.00 €

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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 15NLW9300 — 15" · Woofer

800 W AES · 97 dB Sensitivity · Frequency range 50 Hz – 3000 Hz

Technical data

  • Diameter: 15 "
  • Voice coil: 100 "
  • Power handling: 800 W AES
  • Sensitivity: 97 dB
  • Impedance: 8 Ω
  • Magnet: Neo
  • Weight: 6.8 kg
  • Mounting depth: 174 mm
  • Frequency range: 50 – 3000 Hz

Datasheet (PDF) · Manufacturer page

Series: NLW · Part no.: 42A-CHS-TT-18S-0050

Thiele-Small parameters

Nominal impedance8 Ω
Resonance frequency fs39 Hz
Total Q Qts0.26
Electrical Q Qes0.27
Mechanical Q Qms6.7
Equivalent volume Vas170.0 l
Moving mass Mms107.0 g
Cone area Sd850 cm²
Linear excursion Xmax8 mm
Force factor BL24.4 Tm
DC resistance Re6 Ω
Voice coil inductance Le0.95 mH

Enclosure suggestion

The EBP of 144 suggests a bass-reflex enclosure. EBP = fs / Qes = 39 / 0.27

Sealed (Qtc 0.707)

Enclosure volume Vb
26.6 l
System resonance Fc
106 Hz
Cut-off frequency F3
106 Hz

Bass reflex (QB3 after Small)recommended

Enclosure volume Vb
39.9 l
Tuning frequency Fb
61 Hz
Cut-off frequency F3
74 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 NLW
Magnet Neo
Impedance (Ω) 8
Power handling (W) 800
Sensitivity (dB) 97
Frequency from (Hz) 50
Frequency to (Hz) 3000
Abmessungen & Korb
Diameter 15
Voice coil (inch) 100
Mounting depth (mm) 174
Weight (kg) 6.8
Thiele-Small-Parameter
Re (Ω) 6
Le (mH) 0.95
Fs (Hz) 39
Qms 6.7
Qes 0.27
Qts 0.26
Vas (l) 170
Xmax (mm) 8
BL (Tm) 24.4
Mms (kg) 0.107
Sd (m²) 0.085