Hertz Mille MP 300 D2.3 PRO

Name: MP 300 D2.3 PRO
Brand: Hertz

2x2Ω

2x4Ω

Subwoofer

12″ / 300 mm

Nominal diameter

23 Hz

Resonance

0.48

Q factor

85 dB

Sensitivity

± 16 mm

Linear excursion

1200 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 84.9; dB
Resonance frequency (free air)
f_S: 23.0; Hz
Mechanical quality factor
Q_MS: 5.90
Electrical quality factor
Q_ES: 0.53
Total quality factor
Q_TS: 0.48
Maximum linear excursion
x_max: 16.0; mm
Maximum excursion before damage
x_lim: 26.0; mm
Air volume displaced at x_max
V_D: 850; cm³
Power handling
P: 600; W
Program power
P_max: 1200; W
Nominal impedance
Z: 2 x 2; Ω
DC resistance (in series)
R_E: 4.0; Ω
Inductance (1kHz, in series)
L_E: 2.52; mH
VC Diameter: 65; mm
Force factor (in series)
Bl: 15.4; N/A
Motor constant
Bl/√R_E: 7.7; N/√W
Diameter: 165; mm
Height: 35; mm
Material: Ferrite
Effective diameter: 260; mm
Effective area
S_D: 531; cm²
Moving mass
M_MS: 221; g
Moving mass (without air load)
M_MD: 212.1; g
Material: Pressed-pulp cone with mineral powders
Stiffness
K_MS: 4.55; N/mm
Compliance
C_MS: 220; µm/N
Equivalent volume to the compliance
V_AS: 88; L
Mechanical resistance
R_MS: 5.41; N·s/m
Nominal diameter: 12; ″
: 300; mm
Overall diameter: 321; mm
Baffle cutout diameter: 284; mm
Overall depth: 187; mm
Flange thickness: 23; mm
Mounting depth: 164; mm
Volume occupied by the driver (estimated): 4.1; L
Net weight: 8.63; kg

Datasheet

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Hertz Mille MP 300 D2.3 PRO

Subwoofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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