Eminence LEGEND 1258

Name: LEGEND 1258
Brand: Eminence

Guitar Speaker

12″ / 305 mm

Nominal diameter

94 Hz

Resonance

0.99

Q factor

96 dB

Sensitivity

± 0.48 mm

Linear excursion

150 W

Program Power

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Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.8; dB
Frequency response: 80 - 4000; Hz
Resonance frequency (free air)
f_S: 94.0; Hz
Mechanical quality factor
Q_MS: 6.15
Electrical quality factor
Q_ES: 1.18
Total quality factor
Q_TS: 0.99
Maximum linear excursion
x_max: 0.48; mm
Air volume displaced at x_max
V_D: 24; cm³
Power handling
P: 75; W
Program power
P_max: 150; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 7.4; Ω
Inductance (1kHz)
L_E: 0.7; mH
VC Diameter: 38; mm
Winding material: Copper
Former material: Polyimide
Force factor
Bl: 10.9; N/A
Motor constant
Bl/√R_E: 4.0; N/√W
Air gap height
H_AG: 7.9; mm
Weight: 0.964; kg
Material: Ferrite
Effective diameter: 254; mm
Effective area
S_D: 507; cm²
Moving mass
M_MS: 32; g
Moving mass (without air load)
M_MD: 23.9; g
Material: Paper
Stiffness
K_MS: 11.11; N/mm
Compliance
C_MS: 90; µm/N
Equivalent volume to the compliance
V_AS: 32.5; L
Mechanical resistance
R_MS: 3.07; N·s/m
Surround material: Paper
Nominal diameter: 12; ″
: 305; mm
Overall diameter: 306; mm
Baffle cutout diameter: 281; mm
Overall depth: 125; mm
Volume occupied by the driver: 1.96; L
Net weight: 3.54; kg
Frame material: Pressed steel

Datasheet

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Eminence LEGEND 1258

Guitar Speaker

Available on (affiliate links)

Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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