Dayton Audio Ultimax II UMII12-22

Subwoofer

12″ / 285 mm

Nominal diameter

31 Hz

Resonance

0.56

Q factor

85 dB

Sensitivity

± 22 mm

Linear excursion

1600 W

Program Power

Dayton Audio UMII12-22 Subwoofer

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 85.4; dB
Frequency response: 22 - 400; Hz
Resonance frequency (free air)
f_S: 31.0; Hz
Mechanical quality factor
Q_MS: 2.75
Electrical quality factor
Q_ES: 0.71
Total quality factor
Q_TS: 0.56
Maximum linear excursion
x_max: 22.0; mm
Air volume displaced at x_max
V_D: 1162; cm³
Power handling
P: 800; W
Program power
P_max: 1600; W
Nominal impedance
Z: 2 x 2; Ω
DC resistance (in series)
R_E: 4.2; Ω
Inductance (1kHz, in series)
L_E: 0.66; mH
VC Diameter: 76; mm
Force factor (in series)
Bl: 14.8; N/A
Motor constant
Bl/√R_E: 7.22; N/√W
Material: Ferrite
Effective diameter: 259; mm
Effective area
S_D: 528; cm²
Moving mass
M_MS: 189; g
Moving mass (without air load)
M_MD: 181.1; g
Material: Carbon Fiber
Stiffness
K_MS: 7.52; N/mm
Compliance
C_MS: 133; µm/N
Equivalent volume to the compliance
V_AS: 53; L
Mechanical resistance
R_MS: 13.39; N·s/m
Surround material: Rubber
Nominal diameter: 12; ″
: 285; mm
Overall diameter: 285; mm
Baffle cutout diameter: 200; mm
Overall depth: 179; mm
Volume occupied by the driver (estimated): 2.9; L
Frame material: Cast Aluminium

Dayton Audio UMII12-22 SPL

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Closed Box Simulator·

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