Polk Audio PA450UM, Руководство по эксплуатации

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PA450UM
24
SPECIFICATIONS
FM Radio
Frequency Coverage (USA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87.5 to 107.9 MHz
Frequency Coverage (Europe) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87.5 to 108 MHz
Sensitivity (S/N = 30dB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4uV
Image Rejection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>45 dB
Stereo Separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >25 dB
AM/MW
Frequency Coverage (USA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .530-1710 kHz
Frequency Coverage (Europe) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .522-1620 kHz
Sensitivity (S/N = 20dB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36dB
General
Operating Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DC 12 Volts
Grounding System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Negative Ground
Speaker Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8 ohms per channel
Tone Controls:
Bass (at 100 Hz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
±
10dB
Treble (at 10 kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
10dB
Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50W x 4
Current Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Ampere (max.)
Chassis Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182(L) x 52.2(W) x 173(H)
Front Panel Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . .188(L) x 58(W) x 21(H)
TROUBLESHOOTING
Symptom Cause Solution
No Power
The vessel’s accessory
switch is not on
If the power supply is
properly connected to the
vessel’s accessory
terminal, switch the
ignition key to “ACC”
Fuse is blown Replace the fuse
No Sound Volume is too low Adjust volume to audible
level
Wiring is not properly
connected
Check wiring connections
The Operation keys do not
work
Wired commander is not
properly installed
Check wired commander
installation and connection
Built-in microcontroller is
not operating properly
Press the RESET button
located on the back of the
Tuner/Amp Module