P.Audio 8NX-65MB

Name: 8NX-65MB
Brand: P.Audio

Low frequency

8″ / 203 mm

Nominal diameter

74 Hz

Resonance

0.24

Q factor

95 dB

Sensitivity

± 3.75 mm

Linear excursion

600 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 94.5; dB
Frequency response: 70 - 5000; Hz
Resonance frequency (free air)
f_S: 74.0; Hz
Mechanical quality factor
Q_MS: 4.92
Electrical quality factor
Q_ES: 0.26
Total quality factor
Q_TS: 0.24
Maximum linear excursion
x_max: 3.75; mm
Air volume displaced at x_max
V_D: 80; cm³
Power handling
P: 300; W
Program power
P_max: 600; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 6.5; Ω
Inductance (1kHz)
L_E: 0.26; mH
VC Diameter: 64; mm
Winding height
H_VC: 15.5; mm
Winding material: Flat aluminium wire
Former material: Kapton
Flux density
B: 1.3; T
Force factor
Bl: 17.9; N/A
Motor constant
Bl/√R_E: 7.02; N/√W
Air gap height
H_AG: 8; mm
Material: Neodymium
Effective diameter: 168; mm
Effective area
S_D: 214; cm²
Moving mass
M_MS: 27.5; g
Moving mass (without air load)
M_MD: 25; g
Material: Waterproof Paper
Stiffness
K_MS: 6.02; N/mm
Compliance
C_MS: 166; µm/N
Equivalent volume to the compliance
V_AS: 10.7; L
Mechanical resistance
R_MS: 2.6; N·s/m
Surround material: Cloth
Spider material: Cotton
Nominal diameter: 8; ″
: 203; mm
Overall diameter: 237; mm
Baffle cutout diameter: 185; mm
Overall depth: 103; mm
Flange thickness: 14; mm
Mounting depth: 89; mm
Volume occupied by the driver (estimated): 1.2; L
Net weight: 3.1; kg
Frame material: Aluminium

Datasheet

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P.Audio 8NX-65MB

Low frequency

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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