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Appendix A: Target Performance Specifications
Performance CSMA 180 CSMA 1120 CSMA 240 CSMA 280 CSMA 2120
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
Continuous Power per Channel
10W 15W 5W 10W 15W
Number of Input Channels
4 4 8 8 8
Number of Output Channels
1 1 2 2 2
Line Output level
5.0V
RMS
into 10kΩ
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 Ω
Line: 20 kΩ (balanced)
RCA: 50 kΩ
Phantom Power
27VDC
Crosstalk (reference rated power,
volume at mid position, 1kHz)
-70 dB
Nominal AC Line Voltages
100-240V, 50/60 Hz
Minimum Load Impedance
Low Impedance Output
70V Output
100V Output
4 Ω
60 Ω
120 Ω
4 Ω
40 Ω
80 Ω
4 Ω
120 Ω
240 Ω
4 Ω
60 Ω
120 Ω
4 Ω
40 Ω
80 Ω
Operating Temperature/Humidity
0°C to 35°C @ 95% R.H. (non-condensing)
Storage Temperature
-20°C to 85°C
Dimensions & Weight
Net Weight (preliminary estimate)
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)
Dimensions
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)
Shipping Weight
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)
Note: For AC power draw and thermal dissipation information, please visit our website. www.jblcommercialproducts.com