Precision Devices PDN.2151

Name: PDN.2151
Brand: Precision Devices

Subwoofer

21″ / 530 mm

Nominal diameter

31 Hz

Resonance

0.28

Q factor

97 dB

Sensitivity

± 10.5 mm

Linear excursion

2000 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 96.5; dB
Frequency response: 30 - 1000; Hz
Resonance frequency (free air)
f_S: 31.4; Hz
Mechanical quality factor
Q_MS: 18.30
Electrical quality factor
Q_ES: 0.28
Total quality factor
Q_TS: 0.28
Maximum linear excursion
x_max: 10.5; mm
Air volume displaced at x_max
V_D: 1783; cm³
Power handling
P: 1000; W
Program power
P_max: 2000; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.4; Ω
Inductance (1kHz)
L_E: 1.9; mH
VC Diameter: 152; mm
Winding height
H_VC: 30; mm
Winding material: Copper
Former material: Glass Fibre
Flux density
B: 1.1; T
Force factor
Bl: 35.86; N/A
Motor constant
Bl/√R_E: 15.5; N/√W
Air gap height
H_AG: 15; mm
Material: Neodymium
Effective diameter: 465; mm
Effective area
S_D: 1698; cm²
Moving mass
M_MS: 342.9; g
Moving mass (without air load)
M_MD: 293.8; g
Material: Paper
Stiffness
K_MS: 13.39; N/mm
Compliance
C_MS: 75; µm/N
Equivalent volume to the compliance
V_AS: 303; L
Mechanical resistance
R_MS: 3.7; N·s/m
Surround material: Fabric
Nominal diameter: 21; ″
: 530; mm
Overall diameter: 550; mm
Baffle cutout diameter: 492; mm
Overall depth: 218; mm
Flange thickness: 14; mm
Mounting depth: 204; mm
Volume occupied by the driver (estimated): 9.5; L
Net weight: 16.3; kg

Precision Devices PDN.2151 SPL & Impedance

Datasheet

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Precision Devices PDN.2151

Subwoofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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