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18SOUND 15W700

18SOUND 15W700

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18SOUND (Eighteen Sound) 15W700 — 15" / 15 inch · Woofer/Midrange (WM) · Subwoofer / Bass · Ferrite
3" voice coil · 4/8 Ω
Part no.: 42A-CHS-TT-18S-0019

254.01 € 254.01000000000002 EUR 254.01 €

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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 15W700 — 15" · Woofer

450 W AES · 99 dB Sensitivity · Frequency range 38 Hz – 5000 Hz

Technical data

  • Diameter: 15 "
  • Voice coil: 3 "
  • Power handling: 450 W AES
  • Sensitivity: 99 dB
  • Impedance: 8 Ω
  • Magnet: Ferrite
  • Weight: 8.5 kg
  • Mounting depth: 168 mm
  • Frequency range: 38 – 5000 Hz

Datasheet (PDF) · Manufacturer page

Series: W · Part no.: 42A-CHS-TT-18S-0019

Thiele-Small parameters

Nominal impedance8 Ω
Resonance frequency fs38 Hz
Total Q Qts0.3
Electrical Q Qes0.33
Mechanical Q Qms3.8
Equivalent volume Vas217.0 l
Moving mass Mms80.0 g
Cone area Sd850 cm²
Linear excursion Xmax6.5 mm
Force factor BL18.4 Tm
DC resistance Re5.7 Ω
Voice coil inductance Le1.57 mH

Enclosure suggestion

The EBP of 115 suggests a bass-reflex enclosure. EBP = fs / Qes = 38 / 0.33

Sealed (Qtc 0.707)

Enclosure volume Vb
47.7 l
System resonance Fc
90 Hz
Cut-off frequency F3
90 Hz

Bass reflex (QB3 after Small)recommended

Enclosure volume Vb
81.7 l
Tuning frequency Fb
51 Hz
Cut-off frequency F3
58 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 W
Magnet Ferrite
Impedance (Ω) 8
Power handling (W) 450
Sensitivity (dB) 99
Frequency from (Hz) 38
Frequency to (Hz) 5000
Abmessungen & Korb
Diameter 15
Voice coil (inch) 3
Mounting depth (mm) 168
Weight (kg) 8.5
Thiele-Small-Parameter
Re (Ω) 5.7
Le (mH) 1.57
Fs (Hz) 38
Qms 3.8
Qes 0.33
Qts 0.3
Vas (l) 217
Xmax (mm) 6.5
BL (Tm) 18.4
Mms (kg) 0.08
Sd (m²) 0.085