Precision Devices PD.124NR1

Name: PD.124NR1
Brand: Precision Devices

Mid-range

12″ / 305 mm

Nominal diameter

58 Hz

Resonance

0.35

Q factor

96 dB

Sensitivity

± 8.5 mm

Linear excursion

2000 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.7; dB
Frequency response: 45 - 4000; Hz
Resonance frequency (free air)
f_S: 58.0; Hz
Mechanical quality factor
Q_MS: 8.20
Electrical quality factor
Q_ES: 0.37
Total quality factor
Q_TS: 0.35
Maximum linear excursion
x_max: 8.5; mm
Air volume displaced at x_max
V_D: 459; cm³
Power handling
P: 1000; W
Program power
P_max: 2000; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 6.1; Ω
Inductance (1kHz)
L_E: 2.6; mH
VC Diameter: 102; mm
Winding height
H_VC: 22; mm
Winding material: Copper Clad Aluminium
Former material: Glass Fibre
Flux density
B: 1.25; T
Force factor
Bl: 19.2; N/A
Motor constant
Bl/√R_E: 7.77; N/√W
Air gap height
H_AG: 11; mm
Material: Neodymium
Effective diameter: 262; mm
Effective area
S_D: 540; cm²
Moving mass
M_MS: 60; g
Moving mass (without air load)
M_MD: 50.7; g
Material: Paper
Stiffness
K_MS: 8.4; N/mm
Compliance
C_MS: 119; µm/N
Equivalent volume to the compliance
V_AS: 49; L
Mechanical resistance
R_MS: 2.67; N·s/m
Nominal diameter: 12; ″
: 305; mm
Overall diameter: 331; mm
Baffle cutout diameter: 280; mm
Overall depth: 146; mm
Flange thickness: 10; mm
Mounting depth: 136; mm
Volume occupied by the driver (estimated): 3.1; L
Net weight: 7.0; kg

Datasheet

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Precision Devices PD.124NR1

Mid-range

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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