Eminence DELTA-12B

Name: DELTA-12B
Brand: Eminence

8Ω

16Ω

Mid Bass

12″ / 305 mm

Nominal diameter

58 Hz

Resonance

0.48

Q factor

98 dB

Sensitivity

± 2.7 mm

Linear excursion

800 W

Program Power

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Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 98.3; dB
Frequency response: 65 - 5000; Hz
Resonance frequency (free air)
f_S: 58.0; Hz
Mechanical quality factor
Q_MS: 7.04
Electrical quality factor
Q_ES: 0.52
Total quality factor
Q_TS: 0.48
Maximum linear excursion
x_max: 2.7; mm
Maximum excursion before damage
x_lim: 9.0; mm
Air volume displaced at x_max
V_D: 140; cm³
Power handling
P: 400; W
Program power
P_max: 800; W
Nominal impedance
Z: 16; Ω
DC resistance
R_E: 11.4; Ω
Inductance (1kHz)
L_E: 0.77; mH
VC Diameter: 64; mm
Winding material: Copper
Former material: Polyimide
Force factor
Bl: 16.0; N/A
Motor constant
Bl/√R_E: 4.74; N/√W
Air gap height
H_AG: 9.5; mm
Weight: 1.588; kg
Material: Ferrite
Effective diameter: 257; mm
Effective area
S_D: 520; cm²
Moving mass
M_MS: 32; g
Moving mass (without air load)
M_MD: 23.7; g
Material: Paper
Stiffness
K_MS: 4.35; N/mm
Compliance
C_MS: 230; µm/N
Equivalent volume to the compliance
V_AS: 87; L
Mechanical resistance
R_MS: 1.66; N·s/m
Surround material: Cloth
Nominal diameter: 12; ″
: 305; mm
Overall diameter: 306; mm
Baffle cutout diameter: 281; mm
Overall depth: 136; mm
Volume occupied by the driver: 2.25; L
Net weight: 5.17; kg
Frame material: Pressed steel

Datasheet

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Eminence DELTA-12B

Mid Bass

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Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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