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18SOUND 10NTLW2500

18SOUND 10NTLW2500

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18SOUND (Eighteen Sound) 10NTLW2500 — 10" / 10 inch · Woofer/Midrange (WM) · Bass · Neodymium · Dual-Gap
2x2.5" voice coil · 4/8/16 Ω
Part no.: 42A-CHS-TT-18S-0070

275.00 € 275.0 EUR 275.00 €

Price on request

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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 10NTLW2500 — 10" · Woofer

500 W AES · 96.5 dB Sensitivity · Frequency range 55 Hz – 4500 Hz

Technical data

  • Diameter: 10 "
  • Voice coil: 2.5 "
  • Power handling: 500 W AES
  • Sensitivity: 96.5 dB
  • Impedance: 8 Ω
  • Magnet: Neo
  • Weight: 3.1 kg
  • Mounting depth: 157 mm
  • Frequency range: 55 – 4500 Hz

Datasheet (PDF) · Manufacturer page

Series: NTLW · Part no.: 42A-CHS-TT-18S-0070

Thiele-Small parameters

Nominal impedance8 Ω
Resonance frequency fs65 Hz
Total Q Qts0.33
Electrical Q Qes0.34
Mechanical Q Qms11.2
Equivalent volume Vas21.0 l
Moving mass Mms49.0 g
Cone area Sd346 cm²
Linear excursion Xmax7.6 mm
Force factor BL17.4 Tm
DC resistance Re5 Ω
Voice coil inductance Le0.45 mH

Enclosure suggestion

The EBP of 191 suggests a bass-reflex enclosure. EBP = fs / Qes = 65 / 0.34

Sealed (Qtc 0.707)

Enclosure volume Vb
5.8 l
System resonance Fc
139 Hz
Cut-off frequency F3
139 Hz

Bass reflex (QB3 after Small)recommended

Enclosure volume Vb
10.8 l
Tuning frequency Fb
80 Hz
Cut-off frequency F3
87 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 NTLW
Magnet Neo
Impedance (Ω) 8
Power handling (W) 500
Sensitivity (dB) 96.5
Frequency from (Hz) 55
Frequency to (Hz) 4500
Abmessungen & Korb
Diameter 10
Voice coil (inch) 2.5
Mounting depth (mm) 157
Weight (kg) 3.1
Thiele-Small-Parameter
Re (Ω) 5
Le (mH) 0.45
Fs (Hz) 65
Qms 11.2
Qes 0.34
Qts 0.33
Vas (l) 21
Xmax (mm) 7.6
BL (Tm) 17.4
Mms (kg) 0.049
Sd (m²) 0.0346