Hertz Dieci DS 30.3

Name: DS 30.3
Brand: Hertz

Subwoofer

12″ / 300 mm

Nominal diameter

32 Hz

Resonance

0.62

Q factor

87 dB

Sensitivity

± 9 mm

Linear excursion

1000 W

Program Power

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Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 87.4; dB
Frequency response: 28 - 300; Hz
Resonance frequency (free air)
f_S: 32.0; Hz
Mechanical quality factor
Q_MS: 5.14
Electrical quality factor
Q_ES: 0.71
Total quality factor
Q_TS: 0.62
Maximum linear excursion
x_max: 9.0; mm
Maximum excursion before damage
x_lim: 9.0; mm
Air volume displaced at x_max
V_D: 471; cm³
Power handling
P: 250; W
Program power
P_max: 1000; W
Nominal impedance
Z: 4; Ω
DC resistance
R_E: 3.3; Ω
Inductance (1kHz)
L_E: 2.2; mH
VC Diameter: 38; mm
Force factor
Bl: 11.2; N/A
Motor constant
Bl/√R_E: 6.17; N/√W
Diameter: 115; mm
Height: 25; mm
Material: Ferrite
Effective diameter: 258; mm
Effective area
S_D: 524; cm²
Moving mass
M_MS: 133; g
Moving mass (without air load)
M_MD: 124.6; g
Material: Polypropylene with Mica injection
Stiffness
K_MS: 5.56; N/mm
Compliance
C_MS: 180; µm/N
Equivalent volume to the compliance
V_AS: 70; L
Mechanical resistance
R_MS: 5.2; N·s/m
Nominal diameter: 12; ″
: 300; mm
Overall diameter: 306; mm
Baffle cutout diameter: 279; mm
Overall depth: 132; mm
Flange thickness: 12; mm
Mounting depth: 120; mm
Volume occupied by the driver (estimated): 1.9; L
Net weight: 4.0; kg

Datasheet

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Hertz Dieci DS 30.3

Subwoofer

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Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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