PHL audio 7221Nd

Name: 7221Nd
Brand: PHL audio

Subwoofer

18″ / 460 mm

Nominal diameter

34 Hz

Resonance

0.29

Q factor

96 dB

Sensitivity

± 10 mm

Linear excursion

2000 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.7; dB
Frequency response: 25 - 800; Hz
Resonance frequency (free air)
f_S: 34.0; Hz
Mechanical quality factor
Q_MS: 5.79
Electrical quality factor
Q_ES: 0.31
Total quality factor
Q_TS: 0.29
Maximum linear excursion
x_max: 10.0; mm
Maximum excursion before damage
x_lim: 21.0; mm
Air volume displaced at x_max
V_D: 1250; cm³
Power handling
P: 1000; W
Program power
P_max: 2000; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.2; Ω
Inductance (1kHz)
L_E: 1.69; mH
VC Diameter: 101; mm
Winding height
H_VC: 25; mm
Force factor
Bl: 28.0; N/A
Motor constant
Bl/√R_E: 12.3; N/√W
Air gap height
H_AG: 10; mm
Diameter: 140; mm
Material: Neodymium
Effective diameter: 399; mm
Effective area
S_D: 1250; cm²
Moving mass
M_MS: 217; g
Moving mass (without air load)
M_MD: 186.9; g
Stiffness
K_MS: 10.0; N/mm
Compliance
C_MS: 100; µm/N
Equivalent volume to the compliance
V_AS: 221; L
Mechanical resistance
R_MS: 8.01; N·s/m
Nominal diameter: 18; ″
: 460; mm
Overall diameter: 457; mm
Baffle cutout diameter: 422; mm
Overall depth: 200; mm
Flange thickness: 15; mm
Mounting depth: 185; mm
Volume occupied by the driver: 6.2; L
Net weight: 7.4; kg

Datasheet

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PHL audio 7221Nd

Subwoofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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