Precision Devices PD.123C001

Name: Precision Devices PD.123C001
Brand: Precision Devices

Mid-range

12″ / 305 mm

Nominal diameter

35 Hz

Resonance

0.14

Q factor

97 dB

Sensitivity

± 7.5 mm

Linear excursion

800 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 96.8; dB
Frequency response: 45 - 4000; Hz
Resonance frequency (free air)
f_S: 35.0; Hz
Mechanical quality factor
Q_MS: 7.50
Electrical quality factor
Q_ES: 0.15
Total quality factor
Q_TS: 0.14
Maximum linear excursion
x_max: 7.5; mm
Air volume displaced at x_max
V_D: 410; cm³
Power handling
P: 400; W
Program power
P_max: 800; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.5; Ω
Inductance (1kHz)
L_E: 2.17; mH
VC Diameter: 76; mm
Winding height
H_VC: 21; mm
Winding material: Copper
Former material: Glass Fibre
Flux density
B: 1.2; T
Force factor
Bl: 24.5; N/A
Motor constant
Bl/√R_E: 10.4; N/√W
Air gap height
H_AG: 11; mm
Weight: 3.3; kg
Material: Ferrite Y30
Effective diameter: 264; mm
Effective area
S_D: 547; cm²
Moving mass
M_MS: 70; g
Moving mass (without air load)
M_MD: 60.6; g
Stiffness
K_MS: 3.47; N/mm
Compliance
C_MS: 288; µm/N
Equivalent volume to the compliance
V_AS: 122; L
Mechanical resistance
R_MS: 2.05; N·s/m
Nominal diameter: 12; ″
: 305; mm
Overall diameter: 331; mm
Baffle cutout diameter: 279; mm
Overall depth: 121; mm
Flange thickness: 10; mm
Mounting depth: 111; mm
Volume occupied by the driver (estimated): 3.4; L
Net weight: 9.7; kg

Datasheet

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Precision Devices PD.123C001

Mid-range

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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