PRV Audio 8MB450-4

Name: 8MB450-4
Brand: PRV Audio

4Ω

8Ω

Mid Bass

8″ / 210 mm

Nominal diameter

70 Hz

Resonance

0.9

Q factor

91 dB

Sensitivity

± 4.87 mm

Linear excursion

450 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 90.8; dB
Frequency response: 70 - 6500; Hz
Resonance frequency (free air)
f_S: 70.0; Hz
Mechanical quality factor
Q_MS: 24.30
Electrical quality factor
Q_ES: 0.93
Total quality factor
Q_TS: 0.90
Maximum linear excursion
x_max: 4.87; mm
Air volume displaced at x_max
V_D: 111; cm³
Power handling
P: 225; W
Program power
P_max: 450; W
Nominal impedance
Z: 4; Ω
DC resistance
R_E: 3.4; Ω
Inductance (1kHz)
L_E: 0.38; mH
VC Diameter: 51; mm
Winding height
H_VC: 12.5; mm
Winding material: Copper Clad Aluminium
Former material: Kapton
Force factor
Bl: 5.61; N/A
Motor constant
Bl/√R_E: 3.04; N/√W
Air gap height
H_AG: 5.5; mm
Material: Ferrite
Effective diameter: 170; mm
Effective area
S_D: 227; cm²
Moving mass
M_MS: 19.7; g
Moving mass (without air load)
M_MD: 17.2; g
Stiffness
K_MS: 3.82; N/mm
Compliance
C_MS: 262; µm/N
Equivalent volume to the compliance
V_AS: 18.9; L
Mechanical resistance
R_MS: 0.36; N·s/m
Nominal diameter: 8; ″
: 210; mm
Overall diameter: 210; mm
Baffle cutout diameter: 182; mm
Overall depth: 92; mm
Flange thickness: 7; mm
Mounting depth: 85; mm
Volume occupied by the driver (estimated): 0.51; L
Net weight: 1.06; kg
Frame material: Stamped Steel

Datasheet

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PRV Audio 8MB450-4

Mid Bass

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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