Hertz Mille MP 250 D4.3 PRO

Name: MP 250 D4.3 PRO
Brand: Hertz

2x2Ω

2x4Ω

Subwoofer

10″ / 250 mm

Nominal diameter

27 Hz

Resonance

0.5

Q factor

83 dB

Sensitivity

± 17 mm

Linear excursion

1200 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 83.0; dB
Resonance frequency (free air)
f_S: 27.0; Hz
Mechanical quality factor
Q_MS: 5.80
Electrical quality factor
Q_ES: 0.53
Total quality factor
Q_TS: 0.50
Maximum linear excursion
x_max: 17.0; mm
Maximum excursion before damage
x_lim: 27.0; mm
Air volume displaced at x_max
V_D: 593; cm³
Power handling
P: 600; W
Program power
P_max: 1200; W
Nominal impedance
Z: 2 x 4; Ω
DC resistance (in series)
R_E: 7.2; Ω
Inductance (1kHz, in series)
L_E: 6.4; mH
VC Diameter: 65; mm
Force factor (in series)
Bl: 21.0; N/A
Motor constant
Bl/√R_E: 7.83; N/√W
Diameter: 156; mm
Height: 35; mm
Material: Ferrite
Effective diameter: 213; mm
Effective area
S_D: 349; cm²
Moving mass
M_MS: 187; g
Moving mass (without air load)
M_MD: 182.2; g
Material: Pressed-pulp cone with mineral powders
Stiffness
K_MS: 5.56; N/mm
Compliance
C_MS: 180; µm/N
Equivalent volume to the compliance
V_AS: 31; L
Mechanical resistance
R_MS: 5.47; N·s/m
Nominal diameter: 10; ″
: 250; mm
Overall diameter: 268; mm
Baffle cutout diameter: 236; mm
Overall depth: 160; mm
Flange thickness: 19; mm
Mounting depth: 141; mm
Volume occupied by the driver (estimated): 3.1; L
Net weight: 7.8; kg

Datasheet

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Hertz Mille MP 250 D4.3 PRO

Subwoofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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