B&C Speaker 4NDS34

Name: B&C Speaker 4NDS34
Brand: B&C Speaker

Woofer

4″ / 100 mm

Nominal diameter

79 Hz

Resonance

0.24

Q factor

89 dB

Sensitivity

± 3.8 mm

Linear excursion

200 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 88.9; dB
Frequency response: 80 - 2000; Hz
Resonance frequency (free air)
f_S: 79.0; Hz
Mechanical quality factor
Q_MS: 8.50
Electrical quality factor
Q_ES: 0.25
Total quality factor
Q_TS: 0.24
Maximum linear excursion
x_max: 3.8; mm
Air volume displaced at x_max
V_D: 22; cm³
Power handling
P: 100; W
Program power
P_max: 200; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.5; Ω
Inductance (1kHz)
L_E: 0.21; mH
VC Diameter: 34; mm
Winding height
H_VC: 11; mm
Winding material: Copper
Former material: Glass Fibre
Flux density
B: 1.25; T
Force factor
Bl: 8.8; N/A
Motor constant
Bl/√R_E: 3.75; N/√W
Air gap height
H_AG: 7; mm
Material: Neodymium Inside Slug
Effective diameter: 85; mm
Effective area
S_D: 57; cm²
Moving mass
M_MS: 7.2; g
Moving mass (without air load)
M_MD: 6.8; g
Material: Waterproof Both Sides
Stiffness
K_MS: 1.75; N/mm
Compliance
C_MS: 572; µm/N
Equivalent volume to the compliance
V_AS: 2.6; L
Mechanical resistance
R_MS: 0.42; N·s/m
Nominal diameter: 4; ″
: 100; mm
Overall diameter: 127; mm
Baffle cutout diameter: 103; mm
Overall depth: 67; mm
Flange thickness: 3; mm
Mounting depth: 64; mm
Volume occupied by the driver: 0.25; L
Net weight: 0.55; kg

Datasheet

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B&C Speaker 4NDS34

Woofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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