Dayton Audio Ultimax II UMII15-22

Subwoofer

15″ / 353 mm

Nominal diameter

29 Hz

Resonance

0.7

Q factor

85 dB

Sensitivity

± 24 mm

Linear excursion

1800 W

Program Power

Dayton Audio UMII15-22 Subwoofer

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 85.4; dB
Frequency response: 20 - 300; Hz
Resonance frequency (free air)
f_S: 29.0; Hz
Mechanical quality factor
Q_MS: 2.34
Electrical quality factor
Q_ES: 1.00
Total quality factor
Q_TS: 0.70
Maximum linear excursion
x_max: 24.0; mm
Air volume displaced at x_max
V_D: 1898; cm³
Power handling
P: 900; W
Program power
P_max: 1800; W
Nominal impedance
Z: 2 x 2; Ω
DC resistance (in series)
R_E: 4.2; Ω
Inductance (1kHz, in series)
L_E: 0.7; mH
VC Diameter: 76; mm
Force factor (in series)
Bl: 14.6; N/A
Motor constant
Bl/√R_E: 7.12; N/√W
Material: Ferrite
Effective diameter: 317; mm
Effective area
S_D: 791; cm²
Moving mass
M_MS: 279; g
Moving mass (without air load)
M_MD: 264.3; g
Material: Carbon Fiber
Stiffness
K_MS: 9.09; N/mm
Compliance
C_MS: 110; µm/N
Equivalent volume to the compliance
V_AS: 96; L
Mechanical resistance
R_MS: 21.73; N·s/m
Surround material: Rubber
Nominal diameter: 15; ″
: 353; mm
Overall diameter: 353; mm
Baffle cutout diameter: 200; mm
Overall depth: 206; mm
Volume occupied by the driver (estimated): 4.6; L
Frame material: Cast Aluminium

Dayton Audio UMII15-22 SPL

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