Morel Ultimate UW 1258

Name: UW 1258
Brand: Morel

Subwoofer

12″ / 305 mm

Nominal diameter

21 Hz

Resonance

0.43

Q factor

86 dB

Sensitivity

± 12.5 mm

Linear excursion

1600 W

Program Power

Parts Express
: $$$
Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 85.9; dB
Resonance frequency (free air)
f_S: 21.0; Hz
Mechanical quality factor
Q_MS: 1.88
Electrical quality factor
Q_ES: 0.56
Total quality factor
Q_TS: 0.43
Maximum linear excursion
x_max: 12.5; mm
Air volume displaced at x_max
V_D: 546; cm³
Power handling
P: 800; W
Program power
P_max: 1600; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 6.8; Ω
Inductance (1kHz)
L_E: 1.33; mH
VC Diameter: 130; mm
Winding height
H_VC: 37; mm
Winding material: Hexatech™ Aluminum
Former material: Aluminum
Flux density
B: 0.64; T
Force factor
Bl: 13.67; N/A
Motor constant
Bl/√R_E: 5.24; N/√W
Air gap height
H_AG: 12; mm
Material: High flux double ferrite vented
Effective diameter: 236; mm
Effective area
S_D: 437; cm²
Moving mass
M_MS: 105.5; g
Moving mass (without air load)
M_MD: 98.6; g
Material: Composite cellular fiber
Stiffness
K_MS: 2.27; N/mm
Compliance
C_MS: 440; µm/N
Equivalent volume to the compliance
V_AS: 138; L
Mechanical resistance
R_MS: 8.15; N·s/m
Nominal diameter: 12; ″
: 305; mm
Overall diameter: 305; mm
Baffle cutout diameter: 270; mm
Overall depth: 154; mm
Flange thickness: 6; mm
Mounting depth: 148; mm
Volume occupied by the driver (estimated): 2.8; L
Net weight: 6.3; kg

Datasheet

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Morel Ultimate UW 1258

Subwoofer

Available on (affiliate link)

Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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