Celestion TF1230SL

Name: TF1230SL
Brand: Celestion

Low frequency

12″ / 305 mm

Nominal diameter

57 Hz

Resonance

0.39

Q factor

95 dB

Sensitivity

± 6 mm

Linear excursion

700 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 94.7; dB
Frequency response: 50 - 4000; Hz
Resonance frequency (free air)
f_S: 56.8; Hz
Mechanical quality factor
Q_MS: 3.64
Electrical quality factor
Q_ES: 0.44
Total quality factor
Q_TS: 0.39
Maximum linear excursion
x_max: 6.0; mm
Air volume displaced at x_max
V_D: 319; cm³
Power handling
P: 350; W
Program power
P_max: 700; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.2; Ω
Inductance (1kHz)
L_E: 0.89; mH
VC Diameter: 75; mm
Winding height
H_VC: 16; mm
Winding material: Round copper
Former material: Polyimide
Force factor
Bl: 15.68; N/A
Motor constant
Bl/√R_E: 6.9; N/√W
Air gap height
H_AG: 8; mm
Weight: 1.7; kg
Material: Ferrite
Effective diameter: 260; mm
Effective area
S_D: 531; cm²
Moving mass
M_MS: 58.3; g
Moving mass (without air load)
M_MD: 49.7; g
Material: Kevlar loaded paper
Stiffness
K_MS: 7.14; N/mm
Compliance
C_MS: 140; µm/N
Equivalent volume to the compliance
V_AS: 53.8; L
Mechanical resistance
R_MS: 5.72; N·s/m
Surround material: Cloth-sealed
Nominal diameter: 12; ″
: 305; mm
Overall diameter: 309; mm
Baffle cutout diameter: 283; mm
Overall depth: 137; mm
Volume occupied by the driver (estimated): 2.1; L
Net weight: 4.3; kg
Frame material: Pressed steel

Datasheet

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Celestion TF1230SL

Low frequency

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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