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18SOUND 18NLW9601

18SOUND 18NLW9601

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18SOUND (Eighteen Sound) 18NLW9601 — 18" / 18 inch · High-Performance Woofer · Subwoofer / Bass · Neodymium
5.35" voice coil · 4/8 Ω
Part no.: 42A-CHS-TT-18S-0038

719.00 € 719.0 EUR 719.00 €

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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 18NLW9601 — 18" · Woofer

1800 W AES · 96 dB Sensitivity · Frequency range 30 Hz – 2300 Hz

Technical data

  • Diameter: 18 "
  • Voice coil: 5.3 "
  • Power handling: 1800 W AES
  • Sensitivity: 96 dB
  • Impedance: 4 Ω
  • Magnet: Neo
  • Weight: 12.8 kg
  • Mounting depth: 236 mm
  • Frequency range: 30 – 2300 Hz

Datasheet (PDF) · Manufacturer page

Series: NLW · Part no.: 42A-CHS-TT-18S-0038

Thiele-Small parameters

Nominal impedance4 Ω
Resonance frequency fs38 Hz
Total Q Qts0.28
Electrical Q Qes0.29
Mechanical Q Qms6
Equivalent volume Vas111.0 l
Moving mass Mms255.0 g
Cone area Sd1.295 cm²
Linear excursion Xmax14 mm
Force factor BL25 Tm
DC resistance Re2.7 Ω
Voice coil inductance Le1.53 mH

Enclosure suggestion

The EBP of 131 suggests a bass-reflex enclosure. EBP = fs / Qes = 38 / 0.29

Sealed (Qtc 0.707)

Enclosure volume Vb
20.6 l
System resonance Fc
96 Hz
Cut-off frequency F3
96 Hz

Bass reflex (QB3 after Small)recommended

Enclosure volume Vb
33.3 l
Tuning frequency Fb
55 Hz
Cut-off frequency F3
65 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) 4
Power handling (W) 1800
Sensitivity (dB) 96
Frequency from (Hz) 30
Frequency to (Hz) 2300
Abmessungen & Korb
Diameter 18
Voice coil (inch) 5.3
Mounting depth (mm) 236
Weight (kg) 12.8
Thiele-Small-Parameter
Re (Ω) 2.7
Le (mH) 1.53
Fs (Hz) 38
Qms 6
Qes 0.29
Qts 0.28
Vas (l) 111
Xmax (mm) 14
BL (Tm) 25
Mms (kg) 0.255
Sd (m²) 0.1295