Precision Devices PD.156

Name: PD.156
Brand: Precision Devices

Subwoofer

15″ / 380 mm

Nominal diameter

50 Hz

Resonance

0.47

Q factor

95 dB

Sensitivity

± 8.1 mm

Linear excursion

1300 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.1; dB
Frequency response: 50 - 1500; Hz
Resonance frequency (free air)
f_S: 50.3; Hz
Mechanical quality factor
Q_MS: 7.45
Electrical quality factor
Q_ES: 0.50
Total quality factor
Q_TS: 0.47
Maximum linear excursion
x_max: 8.1; mm
Air volume displaced at x_max
V_D: 735; cm³
Power handling
P: 650; W
Program power
P_max: 1300; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.7; Ω
Inductance (1kHz)
L_E: 1.0; mH
VC Diameter: 115; mm
Winding height
H_VC: 21; mm
Winding material: Copper
Former material: Glass Fibre
Flux density
B: 1.5; T
Force factor
Bl: 20.98; N/A
Motor constant
Bl/√R_E: 8.8; N/√W
Air gap height
H_AG: 9; mm
Material: Ceramic
Effective diameter: 340; mm
Effective area
S_D: 908; cm²
Moving mass
M_MS: 124.6; g
Moving mass (without air load)
M_MD: 105.1; g
Material: Paper
Stiffness
K_MS: 12.37; N/mm
Compliance
C_MS: 81; µm/N
Equivalent volume to the compliance
V_AS: 93.4; L
Mechanical resistance
R_MS: 5.28; N·s/m
Surround material: Fabric
Nominal diameter: 15; ″
: 380; mm
Overall diameter: 410; mm
Baffle cutout diameter: 357; mm
Overall depth: 153; mm
Flange thickness: 10; mm
Mounting depth: 143; mm
Volume occupied by the driver (estimated): 5.5; L
Net weight: 13.25; kg

Precision Devices PD.156 SPL & Impedance

Datasheet

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Precision Devices PD.156

Subwoofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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