Precision Devices PD.188

Name: PD.188
Brand: Precision Devices

Subwoofer

18″ / 460 mm

Nominal diameter

36 Hz

Resonance

0.26

Q factor

97 dB

Sensitivity

± 6 mm

Linear excursion

1200 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 96.8; dB
Frequency response: 40 - 3500; Hz
Resonance frequency (free air)
f_S: 36.2; Hz
Mechanical quality factor
Q_MS: 13.04
Electrical quality factor
Q_ES: 0.27
Total quality factor
Q_TS: 0.26
Maximum linear excursion
x_max: 6.0; mm
Air volume displaced at x_max
V_D: 681; cm³
Power handling
P: 600; W
Program power
P_max: 1200; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.9; Ω
Inductance (1kHz)
L_E: 1.55; mH
VC Diameter: 101; mm
Winding height
H_VC: 19; mm
Winding material: Copper
Former material: Glass Fibre
Flux density
B: 1.1; T
Force factor
Bl: 29.28; N/A
Motor constant
Bl/√R_E: 12.1; N/√W
Air gap height
H_AG: 11; mm
Material: Ceramic
Effective diameter: 380; mm
Effective area
S_D: 1134; cm²
Moving mass
M_MS: 173; g
Moving mass (without air load)
M_MD: 145; g
Material: Paper
Stiffness
K_MS: 8.97; N/mm
Compliance
C_MS: 112; µm/N
Equivalent volume to the compliance
V_AS: 202; L
Mechanical resistance
R_MS: 3.02; N·s/m
Surround material: Fabric
Nominal diameter: 18; ″
: 460; mm
Overall diameter: 474; mm
Baffle cutout diameter: 415; mm
Overall depth: 187; mm
Flange thickness: 13; mm
Mounting depth: 174; mm
Volume occupied by the driver (estimated): 7.1; L
Net weight: 14.0; kg

Precision Devices PD.188 SPL & Impedance

Datasheet

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Precision Devices PD.188

Subwoofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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