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18SOUND 18TLW3000

18SOUND 18TLW3000

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18SOUND (Eighteen Sound) 18TLW3000 — 18" / 18 inch · Woofer · Subwoofer / Bass · Ferrite · Dual-Gap
2x4" voice coil · 4/8 Ω
Part no.: 42A-CHS-TT-18S-0004

458.99 € 458.99 EUR 458.99 €

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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 18TLW3000 — 18" · Woofer

1800 W AES · 95 dB Sensitivity · Frequency range 30 Hz – 2000 Hz

Technical data

  • Diameter: 18 "
  • Voice coil: 4 "
  • Power handling: 1800 W AES
  • Sensitivity: 95 dB
  • Impedance: 8 Ω
  • Magnet: Ferrite
  • Weight: 13.2 kg
  • Mounting depth: 275 mm
  • Frequency range: 30 – 2000 Hz

Datasheet (PDF) · Manufacturer page

Series: TLW · Part no.: 42A-CHS-TT-18S-0004

Thiele-Small parameters

Nominal impedance8 Ω
Resonance frequency fs33 Hz
Total Q Qts0.41
Electrical Q Qes0.42
Mechanical Q Qms13
Equivalent volume Vas185.0 l
Moving mass Mms266.0 g
Cone area Sd1.225 cm²
Linear excursion Xmax12 mm
Force factor BL24.5 Tm
DC resistance Re4.6 Ω
Voice coil inductance Le1.8 mH

Enclosure suggestion

The EBP of 79 is in the intermediate range — either works; sealed plays tighter, bass reflex deeper and louder. EBP = fs / Qes = 33 / 0.42

Sealed (Qtc 0.707)

Enclosure volume Vb
93.7 l
System resonance Fc
57 Hz
Cut-off frequency F3
57 Hz

Bass reflex (QB3 after Small)

Enclosure volume Vb
195.2 l
Tuning frequency Fb
32 Hz
Cut-off frequency F3
32 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 TLW
Magnet Ferrite
Impedance (Ω) 8
Power handling (W) 1800
Sensitivity (dB) 95
Frequency from (Hz) 30
Frequency to (Hz) 2000
Abmessungen & Korb
Diameter 18
Voice coil (inch) 4
Mounting depth (mm) 275
Weight (kg) 13.2
Thiele-Small-Parameter
Re (Ω) 4.6
Le (mH) 1.8
Fs (Hz) 33
Qms 13
Qes 0.42
Qts 0.41
Vas (l) 185
Xmax (mm) 12
BL (Tm) 24.5
Mms (kg) 0.266
Sd (m²) 0.1225