Precision Devices PD.123C01

Name: PD.123C01
Brand: Precision Devices

Subwoofer

12″ / 300 mm

Nominal diameter

46 Hz

Resonance

0.31

Q factor

95 dB

Sensitivity

± 7 mm

Linear excursion

800 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 94.8; dB
Frequency response: 45 - 3500; Hz
Resonance frequency (free air)
f_S: 46.0; Hz
Mechanical quality factor
Q_MS: 16.18
Electrical quality factor
Q_ES: 0.32
Total quality factor
Q_TS: 0.31
Maximum linear excursion
x_max: 7.0; mm
Maximum excursion before damage
x_lim: 22.0; mm
Air volume displaced at x_max
V_D: 372; cm³
Power handling
P: 400; W
Program power
P_max: 800; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.9; Ω
Inductance (1kHz)
L_E: 0.85; mH
VC Diameter: 76; mm
Winding height
H_VC: 19; mm
Winding material: Copper
Former material: Glass Fibre
Flux density
B: 1.1; T
Force factor
Bl: 19.22; N/A
Motor constant
Bl/√R_E: 7.93; N/√W
Air gap height
H_AG: 9; mm
Material: Ferrite
Effective diameter: 260; mm
Effective area
S_D: 531; cm²
Moving mass
M_MS: 68.6; g
Moving mass (without air load)
M_MD: 59.5; g
Material: Paper
Stiffness
K_MS: 5.88; N/mm
Compliance
C_MS: 170; µm/N
Equivalent volume to the compliance
V_AS: 66.8; L
Mechanical resistance
R_MS: 1.22; N·s/m
Nominal diameter: 12; ″
: 300; mm
Overall diameter: 330; mm
Baffle cutout diameter: 282; mm
Overall depth: 127; mm
Flange thickness: 10; mm
Mounting depth: 117; mm
Volume occupied by the driver (estimated): 3.0; L
Net weight: 7.9; kg

Precision Devices PD.123C01 SPL & Impedance

Datasheet

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Precision Devices PD.123C01

Subwoofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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