JBL 4343B 스피커

 

 

 

 

4개 유닛으로 이루어진 스피커입니다.

 

 

Specifications

 

Maximum Power Input

Bi-amplification:

Below 300 Hz : 75 watts continuous sine  wave

Above 300 Hz : 75 watts continuous sine wave

Simgle Amplification:  75 watts continuous sine wave

 

Power Output:  101 dB SPL Measured at 3,0 m (10 ft) in a room volume of 57 m³ (2000 cu ft) with half rated power input

Nominal Impedance:  8 ohms

 

Frequency Response:  35 to 20,000 Hz, ±3 dB

 

Sensitivity:  93 dB SPL measured at 1m (3,3 ft) with 1-watt input averaged from 100 to 1000 Hz;

44 dB SPl measured at 9,1m (30 ft) with 1-milliwatt input averaged from 100 to 1000 Hz

Polar Response:  No less than -3 dB at 60° horizontal and 30° vertical to 16 kHz

 

 

Distortion:

1/2 Power, 99 dB SPL/3,0m : 1% or less third harmonic generation from 35 to 800 hz

Single Frequency : 2% or less third harmonic generation above 800 Hz

Crossover Frequencies:  300, 1250 and 9500 Hz

Finish: Textured gray or oiled walnud

Grille:  Black fabric with the gray finish; Dark blue fabric with walnut

 

Enclosure Volume

Low Frequency Chamber : 156 litres (5,5 cu ft)

Midrange Chamber : 14 litres (0,5 cu ft)

 

Enclosure Dimension:  1050 x 635 x 435 mm (41-3/8 x 25 x 17-1/2 inch)

 

Net Weight:  79 kg (175 lb)

 

Accessories for bi-amplification: 

5233 Electronic Frequency Dividing Network, single channel;

5234 Electronic Frequency Dividing Network, dual channel;

52-5140 Crossover Card, required for the low frequency transition of the 4343.