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Commercial Audio Series Business Music System
page 19
Operation Manual
Minimum Guaranteed Power 180MAx
1 kHz with 0.5% THD
Minimum guaranteed power per channel into 4 ohms or 25V/70V output 80W
Performance
Number of input channels 4
Number of power amplifi ers 1
Input Sensitivity (volts RMS) for full output at maximum gain
Balanced mic inputs
Balanced line inputs
RCA connectors
Isolated telephone input
3 mV
800 mV
400 mV
75 mV
Frequency Response (at 1 watt from 4-ohm tap, 70 Hz - 19 kHz) ± 1 dB
Frequency Response (at line out, 20 Hz to 20 kHz) ± 1 dB
Power Bandwidth (at 4-ohm tap, 2 dB below maximum 1 kHz power) 50 Hz to 20 kHz with < 0.5% THD
Signal to Noise Ratio (ref. to rated power, master volume at minimum) 85 dB
Total Harmonic Distortion (THD) at rated power at 1 kHz < 0.5%
DC Output Offset < ± 5 mV
Input Impedance (nominal) Mic: 400 ohms, Line: 100 kilohms,
RCA: 50 kilohms, Telephone: 600 ohms
Crosstalk (all controls at “10”) –70 dB at 1 kHz
Line Output Level (nominal) 1V into 10 kilohms
Phantom Power 15 VDC
AC Line Voltages Available 120V, 60 Hz.
Line voltage tolerance +15%, –20%
Operating Temperature/Humidity 0
o
C to 40
o
C at 95% relative humidity
(non-condensing)
Storage Temperature –20
o
C to 85
o
C
Construction
Cooling Convection cooled
Dimensions: Width, Height, Depth Width (without rack ears): 17.3 in.(43.8 cm). Width
(with rack ears): EIA Standard 19 in. W (EIA RS-310-B).
Height (front panel): 3.5 in. (8.9 cm). Height (including
feet): 4.1 in. (10.5 cm). Depth (front panel to back
panel): 12.2 in. (31.0 cm). Depth (front of knobs to back
of non-touch cover): 13.9 in. (35.2 cm).
Net Weight (180MAx tuner-mixer-amplifi er only), Shipping Weight (complete system) 20 lb (9.07 kg), 55 lb (24.8 kg)
5 Specifi cations
Frequency Range 80 Hz - 20 kHz.
Recommended Power Range 10-80W continuous average power.
Sensitivity 89 dB/1W/1m.
Crossover Frequency 4 kHz.
Low-Frequency Driver 4 in. (100 m), shielded.
High-Frequency Driver 0.5 in. (12 mm), titanium-laminate, shielded.
70V Tap 20W
Finish Black, Gray or White.
Dimensions (HxWxD) 9 in. x 6-1/6 in. x 5-7/16 in. (228 mm x 155 mm
x 139 mm).
Net Weight (each) 6.1 lb (2.8 kg)
JBL Control 1ST Loudspeaker Specifi cations