JBL Commercial JBL CSMA 240 사용자 매뉴얼

Max Output Power per Channel into 
4 

Ω or 8 Ω; 1kHz, ≤ 0.5% THD

80W

120W

40W

80W

120W

Insertion Loss (70V & 100V outputs)

1 dB maximum

10W

15W

5W

10W

15W

4

4

8

8

8

1

1

2

2

2

5.0V

RMS

 into 10k

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Input Sensitivity to obtain full rated 
power at 8 

Ω (or 5V

RMS

 to line out)

Mic Input: 3mV

RMS

Line Input: 775 mV

RMS

RCA Input: 300mV

RMS

Frequency Response (measured at 
2.83V

RMS

 into rated load impedance 

at any output)

4/8 Ohm Output: 20Hz - 20kHz, +/-2dB 

70V/100V Outputs: 80Hz - 15kHz +/-2dB

Line Out: 20Hz - 20kHz, +/-1dB

Total Harmonic Distortion (THD) 
(measured at 2.83V

RMS

 into rated 

load impedance at any output)

Power Amp Output: <0.5%, 20Hz - 20kHz 

Line Output: 0.05% typical

Signal-to-Noise Ratio (Ref. Rated 
Power, mixer levels @ min., master 
volume @ max. A-weighted)

>90dB

Input Impedance (nominal)

Mic: 400 

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5&$NŸ

27VDC

Crosstalk (reference rated power, 
volume at mid position, 1kHz)

-70 dB

100-240V, 50/60 Hz

Minimum Load Impedance 
    Low Impedance Output 
    70V Output
    100V Output

4 

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4 

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4 

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Ÿ
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4 

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4 

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0°C to 35°C @ 95% R.H. (non-condensing)

-20°C to 85°C

6.8 lb

(3.1 kg)

7.1 lb 

(3.2 kg)

10.6 lb

(4.8 kg)

11.9lb 

(5.4 kg)

12.1 lb

(5.5 kg)

Width: 8.6 in. (218.5 mm) 

Depth: 11.9 in. (303.4 mm)

Height: 1.7 in. (43.3 mm)

Width: 17.2 in. (436.9 mm)

Depth: 11.9 in. (303.4 mm)

Height: 1.7 in. (43.3 mm)

9.9 lb 

(4.5 kg)

10.1 lb

(4.6 kg)

13.9 lb 

(6.3 kg)

15.2 lb

(6.9 kg)

15.5 lb

(7.0 kg)