Skar Audio SVR-8 D4

2x4Ω

Subwoofer

8″ / 216 mm

Nominal diameter

48 Hz

Resonance

0.57

Q factor

82 dB

Sensitivity

± 13.5 mm

Linear excursion

800 W

Program Power

Skar Audio SVR-8 D4 Subwoofer

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 82.0; dB
Resonance frequency (free air)
f_S: 48.0; Hz
Mechanical quality factor
Q_MS: 4.40
Electrical quality factor
Q_ES: 0.64
Total quality factor
Q_TS: 0.57
Maximum linear excursion
x_max: 13.5; mm
Air volume displaced at x_max
V_D: 271; cm³
Power handling
P: 400; W
Program power
P_max: 800; W
Nominal impedance
Z: 2 x 4; Ω
DC resistance (in series)
R_E: 1.0; Ω
Inductance (1kHz, in series, estimated)
L_E: 0.25; mH
VC Diameter: 66; mm
Winding material: Copper
Force factor (in series)
Bl: 7.4; N/A
Motor constant
Bl/√R_E: 7.4; N/√W
Diameter: 152; mm
Effective diameter: 160; mm
Effective area
S_D: 201; cm²
Moving mass
M_MS: 113; g
Moving mass (without air load)
M_MD: 110.8; g
Material: Pressed Paper
Stiffness
K_MS: 10.87; N/mm
Compliance
C_MS: 92; µm/N
Equivalent volume to the compliance
V_AS: 5.3; L
Mechanical resistance
R_MS: 7.75; N·s/m
Surround material: Foam
Nominal diameter: 8; ″
: 216; mm
Overall diameter: 216; mm
Baffle cutout diameter: 185; mm
Overall depth: 145; mm
Flange thickness: 20; mm
Mounting depth: 125; mm
Volume occupied by the driver (estimated): 1.5; L

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