Dayton Audio Odeum Apollo 18N

Subwoofer

18″ / 462 mm

Nominal diameter

32 Hz

Resonance

0.33

Q factor

96 dB

Sensitivity

± 9.1 mm

Linear excursion

2400 W

Program Power

Dayton Audio Apollo 18N Subwoofer

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.6; dB
Frequency response: 35 - 1000; Hz
Resonance frequency (free air)
f_S: 32.0; Hz
Mechanical quality factor
Q_MS: 10.02
Electrical quality factor
Q_ES: 0.35
Total quality factor
Q_TS: 0.33
Maximum linear excursion
x_max: 9.1; mm
Air volume displaced at x_max
V_D: 1092; cm³
Power handling
P: 1200; W
Program power
P_max: 2400; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 6.1; Ω
Inductance (1kHz)
L_E: 0.61; mH
VC Diameter: 102; mm
Winding material: Copper
Former material: Glass Fiber
Force factor
Bl: 27.57; N/A
Motor constant
Bl/√R_E: 11.2; N/√W
Material: Neodymium
Effective diameter: 391; mm
Effective area
S_D: 1200; cm²
Moving mass
M_MS: 217.8; g
Moving mass (without air load)
M_MD: 188.7; g
Material: Coated paper
Stiffness
K_MS: 8.77; N/mm
Compliance
C_MS: 114; µm/N
Equivalent volume to the compliance
V_AS: 254; L
Mechanical resistance
R_MS: 4.37; N·s/m
Surround material: Paper
Nominal diameter: 18; ″
: 462; mm
Overall diameter: 462; mm
Baffle cutout diameter: 414; mm
Overall depth: 184; mm
Volume occupied by the driver (estimated): 5.7; L
Frame material: Steel

Dayton Audio Apollo 18N SPL

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