Nakamichi NA85, Service Manual

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Product Information
Power Supply: 12V DC (10.5-14.4V), negative ground
Fuse: 15A
Suitable Speaker Impedance: 4 -8
General
Aux-In level: 500mV
Audio Section
Maximum Power Output: Mosfet 50W x 4 Channels
Pre-AMP Output Voltage: 1.5V
Subwoofer Output Voltage: 1.5 V
FM tuner section
AM tuner section
Frequency Range: 87.5 - 108MHz
Frequency Range: 522 - 1620KHz
Usable Sensitivity: Better than 45dB at S/N 26dB
Usable Sensitivity: Better than 15dB at S/N 30dB
USB devices
Memory Card
USB Flash Memory: USB 1.1 & 2.0 Compatible
Support type of memory card: SD/SDHC
About Audio file
MP3/WMA bit rate: 32-320kbps and varible bit rate
MP3 sampling frequencies: 8-48kHz
WMA sampling frequencies: 32kHz, 44.1kHz, 48kHz
ID3 tag v1.0 or later
USB or memory file system: FAT16, FAT32
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Bluetooth
Output power: Class 2
Frequency band: 2.4000GHz-2.4835GHz ISM Band
Range: 3 meters (free space)
Standard: Bluetooth 2.0 specification
Continous Power Output: 22W x 4 RMS
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EN 11