Read JBL L820 (serv.man9) User Guide / Operation Manual online
7
English
L890
LC1
LC2
Description
4-Way, Dual 8" Floorstanding
3-Way, Dual 5-1/4" Center
4-Way, Dual 6" Wall-Mount Center
Maximum
250W
150W
150W
Recommended
Amplifier Power
Amplifier Power
Power Handling
125W/500W
75W/300W
75W/300W
(Continuous/Peak)
Nominal Impedance
8 Ohms
8 Ohms
8 Ohms
Sensitivity (2.83V/1m)
91dB
91dB
92dB
Frequency
28Hz – 40kHz
55Hz – 40kHz
50Hz – 40kHz
Response (±3dB)
Crossover
700Hz, 5000Hz, 20kHz
3000Hz, 20kHz
700Hz, 4000Hz, 20kHz
Frequencies
Ultrahigh-Frequency
19mm (3/4") Mylar
®
Dome
19mm (3/4") Mylar
®
Dome
19mm (3/4") Mylar
®
Dome
Transducer
With Cast-Aluminum Chassis
With Cast-Aluminum Chassis
With Cast-Aluminum Chassis
High-Frequency
1" Pure-Titanium Dome
1" Pure-Titanium Dome
1" Pure-Titanium Dome
Transducer
With Cast-Aluminum
With Cast-Aluminum
With Cast-Aluminum
Chassis in JBL
Chassis in JBL
Chassis in JBL
EOS
™
Waveguide
EOS
™
Waveguide
EOS
™
Waveguide
Midrange Transducer
4" PolyPlas
™
Cone
N/A
4" PolyPlas
™
Cone
With Rubber Surround
With Rubber Surround
and Cast-Aluminum
and Cast-Aluminum
Chassis; HeatScape
™
Chassis; HeatScape
™
Motor Structure
Motor Structure
Low-Frequency
Dual 8" PolyPlas
™
Cones
Dual 5-1/4" PolyPlas
™
Cones
Dual 6" PolyPlas
™
Cones
Transducer(s)
With Rubber Surrounds
With Rubber Surrounds
With Rubber Surrounds
and Cast-Aluminum
and Cast-Aluminum
and Cast-Aluminum
Chassis; HeatScape
™
Chassis; HeatScape
™
Chassis; HeatScape
™
Motor Structures;
Motor Structures;
Motor Structures;
Symmetrical Field
Symmetrical Field
Symmetrical Field
Geometry
™
(SFG
™
); Geometry
™
(SFG
™
); Geometry
™
(SFG
™
);
Oversized Kapton
®
Oversized Kapton
®
Oversized Kapton
®
Voice Coils; Magnetic
Voice Coils; Magnetic
Voice Coils; Magnetic
Shorting Rings
Shorting Rings
Shorting Rings
Magnetic Shielding
Yes
Yes
Yes
Baffle
Low Diffraction,
Low Diffraction,
Low Diffraction,
IsoPower
™
IsoPower
™
IsoPower
™
Enclosure
Bass-Reflex With
Bass-Reflex With
Sealed
FreeFlow
™
FreeFlow
™
Front-Firing Port
Rear-Firing Port
Network
Straight-Line Signal
Straight-Line Signal
Straight-Line Signal
Path
™
(SSP)
Path
™
(SSP)
Path
™
(SSP)
Terminals
Gold-Plated 5-Way
Gold-Plated 5-Way
Gold-Plated 5-Way
Binding Posts,
Binding Posts,
Binding Posts,
Bi-Wirable
Bi-Wirable
Bi-Wirable
Dimensions (HxWxD)
1075mm x 259mm x 380mm
191mm x 534mm x 254mm
311mm x 559mm x 127mm
(42-1/4" x 10-1/4" x 15")
(7-1/2" x 21" x 10")
(12-1/4" x 22" x 5")
Weight per Speaker
27,5kg (60 lb)
10.5kg (23 lb)
13,2kg (29 lb)
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