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enfrdeitrues

JBL 2245H

Technic details

Specifications

Type:
Low Frequency Speaker
Frequency Range:
20Hz to 2kHz
Nominal Diameter:
460mm (18")
Rated Impedance:
8Ω
Power Capacity:
600W continuous program
Sensitivity:
95dB
Highest Recommended Crossover Frequency:
800Hz
Recommended Enclosure Volume:
225 - 450L
Effective Piston Diameter:
406mm (16")
Maximum Excursion Before Damage:
25mm
Minimum Impedance:
7.1Ω ± 10% @ 25°C
Voice Coil Diameter:
100mm (4")
Voice Coil Material:
Edge wound Copper Ribbon
Voice Coil Winding Depth:
24mm (0.96")
Magnetic Gap Depth:
9mm (0.35")
Magnetic Assembly Weight:
9.1kg
Flux Density:
1.22T (12200 gauss)
Bl Factor:
21 N/A
Effective Moving Mass:
0.185kg Positive voltage on BLACK terminal gives forward diaphragm motion
Thiele - Small Parameters:
Fs - 20Hz
Re - 5.8Ω
Qts - 0.27
Qms - 2.2
Qes - 0.31
Vas - 820L
Sd - 0.130 m2
Xmax - 9.5mm
Vd - 1,230 cm3
Le - 1.4mH
Pe (Max) - 300W Continuous Sine Wave
Volume by Driver when Mounted in Enclosure:
8.5L
Mounting Information:
Overall Diameter - 464mm
Bolt Circle Diameter - 441mm
Baffle Cutout Diameter:
Front Mount - 427mm
Rear Mount - 422mm
Weight:
13.6kg (Net)
14.5kg (Shipping)
Year:
Around 1981

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