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18SOUND 15MB1000

18SOUND 15MB1000

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18SOUND (Eighteen Sound) 15MB1000 — 15" / 15 inch · Midrange with Lower Midrange (ML) · Midrange · Ferrite
4" voice coil · 8 Ω
Part no.: 42A-CHS-MT-18S-0001

350.00 € 350.0 EUR 350.00 €

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 15MB1000 — 15" · Midrange Driver

850 W AES · 98 dB Sensitivity · Frequency range 45 Hz – 5100 Hz

Technical data

  • Diameter: 15 "
  • Voice coil: 4 "
  • Power handling: 850 W AES
  • Sensitivity: 98 dB
  • Impedance: 8 Ω
  • Magnet: Ferrite
  • Weight: 11.4 kg
  • Mounting depth: 156 mm
  • Frequency range: 45 – 5100 Hz

Datasheet (PDF) · Manufacturer page

Series: MB · Part no.: 42A-CHS-MT-18S-0001

Thiele-Small parameters

Nominal impedance8 Ω
Resonance frequency fs48 Hz
Total Q Qts0.31
Electrical Q Qes0.32
Mechanical Q Qms6
Equivalent volume Vas132.5 l
Moving mass Mms85.0 g
Cone area Sd850 cm²
Linear excursion Xmax6 mm
Force factor BL21 Tm
DC resistance Re5.5 Ω
Voice coil inductance Le1.5 mH

Enclosure suggestion

The EBP of 150 suggests a bass-reflex enclosure. EBP = fs / Qes = 48 / 0.32

Sealed (Qtc 0.707)

Enclosure volume Vb
31.5 l
System resonance Fc
109 Hz
Cut-off frequency F3
109 Hz

Bass reflex (QB3 after Small)recommended

Enclosure volume Vb
55.6 l
Tuning frequency Fb
63 Hz
Cut-off frequency F3
70 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 Mid Frequency
Series MB
Magnet Ferrite
Impedance (Ω) 8
Power handling (W) 850
Sensitivity (dB) 98
Frequency from (Hz) 45
Frequency to (Hz) 5100
Abmessungen & Korb
Diameter 15
Voice coil (inch) 4
Mounting depth (mm) 156
Weight (kg) 11.4
Thiele-Small-Parameter
Re (Ω) 5.5
Le (mH) 1.5
Fs (Hz) 48
Qms 6
Qes 0.32
Qts 0.31
Vas (l) 132.5
Xmax (mm) 6
BL (Tm) 21
Mms (kg) 0.085
Sd (m²) 0.085