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18SOUND 12NLW9410

18SOUND 12NLW9410

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18SOUND (Eighteen Sound) 12NLW9410 — 12" / 12 inch · High-Performance Woofer · Bass · Neodymium
4" voice coil · 8 Ω
Part no.: 42A-CHS-TT-18S-0062

399.00 € 399.0 EUR 399.00 €

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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 12NLW9410 — 12" · Woofer

1000 W AES · 95 dB Sensitivity · Frequency range 45 Hz – 3000 Hz

Technical data

  • Diameter: 12 "
  • Voice coil: 4 "
  • Power handling: 1000 W AES
  • Sensitivity: 95 dB
  • Impedance: 8 Ω
  • Magnet: Neo
  • Weight: 7.3 kg
  • Mounting depth: 143 mm
  • Frequency range: 45 – 3000 Hz

Datasheet (PDF) · Manufacturer page

Series: NLW · Part no.: 42A-CHS-TT-18S-0062

Thiele-Small parameters

Nominal impedance8 Ω
Resonance frequency fs42 Hz
Total Q Qts0.26
Electrical Q Qes0.27
Mechanical Q Qms6.2
Equivalent volume Vas55.0 l
Moving mass Mms105.0 g
Cone area Sd531 cm²
Linear excursion Xmax11 mm
Force factor BL21.7 Tm
DC resistance Re4.5 Ω
Voice coil inductance Le1.07 mH

Enclosure suggestion

The EBP of 156 suggests a bass-reflex enclosure. EBP = fs / Qes = 42 / 0.27

Sealed (Qtc 0.707)

Enclosure volume Vb
8.6 l
System resonance Fc
114 Hz
Cut-off frequency F3
114 Hz

Bass reflex (QB3 after Small)recommended

Enclosure volume Vb
12.9 l
Tuning frequency Fb
66 Hz
Cut-off frequency F3
79 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) 1000
Sensitivity (dB) 95
Frequency from (Hz) 45
Frequency to (Hz) 3000
Abmessungen & Korb
Diameter 12
Voice coil (inch) 4
Mounting depth (mm) 143
Weight (kg) 7.3
Thiele-Small-Parameter
Re (Ω) 4.5
Le (mH) 1.07
Fs (Hz) 42
Qms 6.2
Qes 0.27
Qts 0.26
Vas (l) 55
Xmax (mm) 11
BL (Tm) 21.7
Mms (kg) 0.105
Sd (m²) 0.0531