Celestion TSQ1845

Name: TSQ1845
Brand: Celestion

Low frequency

18″ / 457 mm

Nominal diameter

35 Hz

Resonance

0.29

Q factor

94 dB

Sensitivity

± 15 mm

Linear excursion

3600 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 93.8; dB
Frequency response: 30 - 1000; Hz
Resonance frequency (free air)
f_S: 35.0; Hz
Mechanical quality factor
Q_MS: 8.71
Electrical quality factor
Q_ES: 0.30
Total quality factor
Q_TS: 0.29
Maximum linear excursion
x_max: 15.0; mm
Maximum excursion before damage
x_lim: 40.0; mm
Air volume displaced at x_max
V_D: 1701; cm³
Power handling
P: 1800; W
Program power
P_max: 3600; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.0; Ω
Inductance (1kHz)
L_E: 3.06; mH
VC Diameter: 115; mm
Winding height
H_VC: 36; mm
Winding material: Round copper
Former material: Glass Fibre
Force factor
Bl: 33.8; N/A
Motor constant
Bl/√R_E: 15.1; N/√W
Air gap height
H_AG: 12; mm
Material: Neodymium
Effective diameter: 380; mm
Effective area
S_D: 1134; cm²
Moving mass
M_MS: 316; g
Moving mass (without air load)
M_MD: 288.7; g
Material: Glass loaded cellulose, water-resistant
Stiffness
K_MS: 15.39; N/mm
Compliance
C_MS: 65; µm/N
Equivalent volume to the compliance
V_AS: 119; L
Mechanical resistance
R_MS: 7.99; N·s/m
Surround material: Triple roll, cloth sealed
Nominal diameter: 18; ″
: 457; mm
Overall diameter: 460; mm
Baffle cutout diameter: 414; mm
Overall depth: 235; mm
Flange thickness: 17; mm
Mounting depth: 218; mm
Volume occupied by the driver (estimated): 7.2; L
Net weight: 11.8; kg
Frame material: Cast aluminium

Datasheet

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Celestion TSQ1845

Low frequency

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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