Radian 2218Neo

Name: 2218Neo
Brand: Radian

Subwoofer

18″ / 460 mm

Nominal diameter

30 Hz

Resonance

0.23

Q factor

96 dB

Sensitivity

± 9 mm

Linear excursion

1600 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.9; dB
Frequency response: 25 - 2000; Hz
Resonance frequency (free air)
f_S: 30.0; Hz
Mechanical quality factor
Q_MS: 3.20
Electrical quality factor
Q_ES: 0.25
Total quality factor
Q_TS: 0.23
Maximum linear excursion
x_max: 9.0; mm
Air volume displaced at x_max
V_D: 1188; cm³
Power handling
P: 800; W
Program power
P_max: 1600; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.4; Ω
Inductance (1kHz)
L_E: 1.12; mH
VC Diameter: 102; mm
Winding height
H_VC: 23; mm
Winding material: Aluminum
Former material: Fiberglass
Force factor
Bl: 33.0; N/A
Motor constant
Bl/√R_E: 14.2; N/√W
Air gap height
H_AG: 10; mm
Material: Neodymium
Effective diameter: 410; mm
Effective area
S_D: 1320; cm²
Moving mass
M_MS: 266; g
Moving mass (without air load)
M_MD: 233.8; g
Material: Paper/Kevlar fiber composite
Stiffness
K_MS: 8.33; N/mm
Compliance
C_MS: 120; µm/N
Equivalent volume to the compliance
V_AS: 312; L
Mechanical resistance
R_MS: 15.67; N·s/m
Nominal diameter: 18; ″
: 460; mm
Overall diameter: 464; mm
Baffle cutout diameter: 429; mm
Overall depth: 181; mm
Volume occupied by the driver (estimated): 4.8; L
Net weight: 8.0; kg
Frame material: Cast Aluminum

Datasheet

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Radian 2218Neo

Subwoofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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