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18SOUND 18W1300

18SOUND 18W1300

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18SOUND (Eighteen Sound) 18W1300 — 18" / 18 inch · Woofer · Subwoofer / Bass · Ferrite Magnet
4" voice coil · 8 Ω
Part no.: 42A-CHS-TT-18S-0011

384.00 € 384.0 EUR 384.00 €

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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 18W1300 — 18" · Woofer

850 W AES · 99.5 dB Sensitivity · Frequency range 38 Hz – 3300 Hz

Technical data

  • Diameter: 18 "
  • Voice coil: 4 "
  • Power handling: 850 W AES
  • Sensitivity: 99.5 dB
  • Impedance: 8 Ω
  • Magnet: Ferrite
  • Weight: 13 kg
  • Mounting depth: 211 mm
  • Frequency range: 38 – 3300 Hz

Datasheet (PDF) · Manufacturer page

Series: W · Part no.: 42A-CHS-TT-18S-0011

Thiele-Small parameters

Nominal impedance8 Ω
Resonance frequency fs35 Hz
Total Q Qts0.33
Electrical Q Qes0.35
Mechanical Q Qms5
Equivalent volume Vas336.0 l
Moving mass Mms129.0 g
Cone area Sd1.225 cm²
Linear excursion Xmax8.5 mm
Force factor BL20.4 Tm
DC resistance Re5 Ω
Voice coil inductance Le1.48 mH

Enclosure suggestion

The EBP of 100 is in the intermediate range — either works; sealed plays tighter, bass reflex deeper and louder. EBP = fs / Qes = 35 / 0.35

Sealed (Qtc 0.707)

Enclosure volume Vb
93.6 l
System resonance Fc
75 Hz
Cut-off frequency F3
75 Hz

Bass reflex (QB3 after Small)

Enclosure volume Vb
173.2 l
Tuning frequency Fb
43 Hz
Cut-off frequency F3
47 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) 850
Sensitivity (dB) 99.5
Frequency from (Hz) 38
Frequency to (Hz) 3300
Abmessungen & Korb
Diameter 18
Voice coil (inch) 4
Mounting depth (mm) 211
Weight (kg) 13
Thiele-Small-Parameter
Re (Ω) 5
Le (mH) 1.48
Fs (Hz) 35
Qms 5
Qes 0.35
Qts 0.33
Vas (l) 336
Xmax (mm) 8.5
BL (Tm) 20.4
Mms (kg) 0.129
Sd (m²) 0.1225