B&C Speaker 18DS115

Name: 18DS115
Brand: B&C Speaker

4Ω

8Ω

Subwoofer

18″ / 460 mm

Nominal diameter

30 Hz

Resonance

0.17

Q factor

95 dB

Sensitivity

± 16.5 mm

Linear excursion

3400 W

Program Power

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Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.0; dB
Frequency response: 30 - 500; Hz
Resonance frequency (free air)
f_S: 30.0; Hz
Mechanical quality factor
Q_MS: 4.75
Electrical quality factor
Q_ES: 0.18
Total quality factor
Q_TS: 0.17
Maximum linear excursion
x_max: 16.5; mm
Air volume displaced at x_max
V_D: 1997; cm³
Power handling
P: 1700; W
Program power
P_max: 3400; W
Nominal impedance
Z: 4; Ω
DC resistance
R_E: 3.3; Ω
Inductance (1kHz)
L_E: 2.8; mH
VC Diameter: 116; mm
Winding height
H_VC: 40; mm
Winding material: Aluminium
Former material: Glass Fibre
Flux density
B: 0.8; T
Force factor
Bl: 34.0; N/A
Motor constant
Bl/√R_E: 18.7; N/√W
Air gap height
H_AG: 14; mm
Material: Neodymium Inside Slug
Effective diameter: 393; mm
Effective area
S_D: 1210; cm²
Moving mass
M_MS: 348; g
Moving mass (without air load)
M_MD: 318.8; g
Material: Waterproof Both Sides
Stiffness
K_MS: 11.91; N/mm
Compliance
C_MS: 84; µm/N
Equivalent volume to the compliance
V_AS: 177; L
Mechanical resistance
R_MS: 13.81; N·s/m
Spider material: Silicone
Nominal diameter: 18; ″
: 460; mm
Overall diameter: 460; mm
Baffle cutout diameter: 422; mm
Overall depth: 248; mm
Flange thickness: 16; mm
Mounting depth: 232; mm
Volume occupied by the driver: 10.0; L
Net weight: 12.55; kg

Datasheet

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B&C Speaker 18DS115

Subwoofer

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Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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