Precision Devices PD.154

Name: PD.154
Brand: Precision Devices

Subwoofer

15″ / 380 mm

Nominal diameter

45 Hz

Resonance

0.27

Q factor

98 dB

Sensitivity

± 7.7 mm

Linear excursion

1000 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 97.6; dB
Frequency response: 40 - 2000; Hz
Resonance frequency (free air)
f_S: 44.9; Hz
Mechanical quality factor
Q_MS: 20.44
Electrical quality factor
Q_ES: 0.27
Total quality factor
Q_TS: 0.27
Maximum linear excursion
x_max: 7.7; mm
Air volume displaced at x_max
V_D: 699; cm³
Power handling
P: 500; W
Program power
P_max: 1000; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 6.5; Ω
Inductance (1kHz)
L_E: 1.03; mH
VC Diameter: 101; mm
Winding height
H_VC: 22; mm
Winding material: Copper
Former material: Glass Fibre
Flux density
B: 1.1; T
Force factor
Bl: 29.44; N/A
Motor constant
Bl/√R_E: 11.5; N/√W
Air gap height
H_AG: 11; mm
Material: Ceramic
Effective diameter: 340; mm
Effective area
S_D: 908; cm²
Moving mass
M_MS: 126.6; g
Moving mass (without air load)
M_MD: 107.1; g
Material: Paper
Stiffness
K_MS: 10.1; N/mm
Compliance
C_MS: 99; µm/N
Equivalent volume to the compliance
V_AS: 115; L
Mechanical resistance
R_MS: 1.75; N·s/m
Nominal diameter: 15; ″
: 380; mm
Overall diameter: 410; mm
Baffle cutout diameter: 357; mm
Overall depth: 156; mm
Flange thickness: 10; mm
Mounting depth: 146; mm
Volume occupied by the driver (estimated): 5.5; L
Net weight: 13.0; kg

Precision Devices PD.154 SPL & Impedance

Datasheet

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Precision Devices PD.154

Subwoofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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