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18SOUND 15NCX1000

18SOUND 15NCX1000

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18SOUND (Eighteen Sound) 15NCX1000 — 15" / 15 inch Coaxial Driver · Coax / Coaxial Driver · Neodymium
4"/4" voice coils · 8 Ω
Part no.: 42A-CHS-KO-18S-0010

1,099.00 € 1099.0 EUR 1,099.00 €

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  • Manufacturer
  • Category
  • Series
  • 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 15NCX1000 — 15" · Coaxial Driver

600 W AES · 96 dB Sensitivity · Frequency range 44 Hz – 3600 Hz

Technical data

  • Diameter: 15 "
  • Voice coil: 4 "
  • Power handling: 600 W AES
  • Sensitivity: 96 dB
  • Impedance: 8 Ω
  • Weight: 8.5 kg
  • Mounting depth: 197 mm
  • Frequency range: 44 – 3600 Hz
  • Cone material: Titanium
  • Coverage angle: 90 °
  • Rec. crossover: 1.0 kHz

Datasheet (PDF) · Manufacturer page

Series: NCX · Part no.: 42A-CHS-KO-18S-0010

Thiele-Small parameters

Nominal impedance8 Ω
Resonance frequency fs53 Hz
Total Q Qts0.31
Electrical Q Qes0.32
Mechanical Q Qms10.4
Equivalent volume Vas75.0 l
Moving mass Mms110.0 g
Cone area Sd881 cm²
Linear excursion Xmax7.5 mm
Force factor BL27.5 Tm
DC resistance Re6.3 Ω
Voice coil inductance Le1.4 mH

Enclosure suggestion

The EBP of 166 suggests a bass-reflex enclosure. EBP = fs / Qes = 53 / 0.32

Sealed (Qtc 0.707)

Enclosure volume Vb
17.9 l
System resonance Fc
121 Hz
Cut-off frequency F3
121 Hz

Bass reflex (QB3 after Small)recommended

Enclosure volume Vb
31.4 l
Tuning frequency Fb
69 Hz
Cut-off frequency F3
78 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 Coaxial
Series NCX
Impedance (Ω) 8
Power handling (W) 600
Sensitivity (dB) 96
Frequency from (Hz) 44
Frequency to (Hz) 3600
Abmessungen & Korb
Diameter 15
Voice coil (inch) 4
Mounting depth (mm) 197
Weight (kg) 8.5
Thiele-Small-Parameter
Re (Ω) 6.3
Le (mH) 1.4
Fs (Hz) 53
Qms 10.4
Qes 0.32
Qts 0.31
Vas (l) 75
Xmax (mm) 7.5
BL (Tm) 27.5
Mms (kg) 0.11
Sd (m²) 0.0881