Radian 5208C

Name: 5208C
Brand: Radian

Coaxial

8″ / 205 mm

Nominal diameter

90 Hz

Resonance

0.61

Q factor

92 dB

Sensitivity

± 3.5 mm

Linear excursion

500 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 92.4; dB
Frequency response: 60 - 25000; Hz
Resonance frequency (free air)
f_S: 90.0; Hz
Mechanical quality factor
Q_MS: 6.80
Electrical quality factor
Q_ES: 0.66
Total quality factor
Q_TS: 0.61
Maximum linear excursion
x_max: 3.5; mm
Air volume displaced at x_max
V_D: 77; cm³
Power handling
P: 250; W
Program power
P_max: 500; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.9; Ω
Inductance (1kHz)
L_E: 0.7; mH
VC Diameter: 51; mm
Winding height
H_VC: 11; mm
Winding material: Copper Clad Aluminum
Former material: Fiberglass
Force factor
Bl: 10.1; N/A
Motor constant
Bl/√R_E: 4.16; N/√W
Air gap height
H_AG: 8; mm
Material: Ferrite
Effective diameter: 168; mm
Effective area
S_D: 221; cm²
Moving mass
M_MS: 19.9; g
Moving mass (without air load)
M_MD: 17.5; g
Material: Paper/Kevlar composite
Stiffness
K_MS: 6.45; N/mm
Compliance
C_MS: 155; µm/N
Equivalent volume to the compliance
V_AS: 10.8; L
Mechanical resistance
R_MS: 1.65; N·s/m
Nominal diameter: 8; ″
: 205; mm
Overall diameter: 210; mm
Baffle cutout diameter: 190; mm
Overall depth: 131; mm
Volume occupied by the driver (estimated): 1.4; L
Net weight: 3.7; kg
Frame material: Cast Aluminum

Datasheet

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Radian 5208C

Coaxial

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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