Precision Devices PD.184NR1

Name: PD.184NR1
Brand: Precision Devices

Subwoofer

18″ / 460 mm

Nominal diameter

38 Hz

Resonance

0.27

Q factor

96 dB

Sensitivity

± 8.5 mm

Linear excursion

2000 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.5; dB
Frequency response: 30 - 800; Hz
Resonance frequency (free air)
f_S: 38.0; Hz
Mechanical quality factor
Q_MS: 6.17
Electrical quality factor
Q_ES: 0.29
Total quality factor
Q_TS: 0.27
Maximum linear excursion
x_max: 8.5; mm
Air volume displaced at x_max
V_D: 989; 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: 1.89; mH
VC Diameter: 102; mm
Winding height
H_VC: 22; mm
Winding material: Copper
Former material: Glass Fibre
Flux density
B: 1.18; T
Force factor
Bl: 29.5; N/A
Motor constant
Bl/√R_E: 12.7; N/√W
Air gap height
H_AG: 11; mm
Material: Neodymium
Effective diameter: 385; mm
Effective area
S_D: 1164; cm²
Moving mass
M_MS: 216; g
Moving mass (without air load)
M_MD: 187.2; g
Material: Paper
Stiffness
K_MS: 10.03; N/mm
Compliance
C_MS: 100; µm/N
Equivalent volume to the compliance
V_AS: 102; L
Mechanical resistance
R_MS: 8.36; N·s/m
Nominal diameter: 18; ″
: 460; mm
Overall diameter: 474; mm
Baffle cutout diameter: 415; mm
Overall depth: 200; mm
Flange thickness: 15; mm
Mounting depth: 185; mm
Volume occupied by the driver (estimated): 5.8; L
Net weight: 9.6; kg

Datasheet

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Precision Devices PD.184NR1

Subwoofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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