Panasonic SB-AK48 - User Manual

●AMPLIFIER SECTION
PMPO
3000W
RMS power output
THD 10%, both channels driven
(HIGH) 40W per channel (6Ω)
(MID) 40W per channel (6Ω)
(LOW) 120W per channel (6Ω)
(TOTAL) 200W per channel (6Ω)
Input sensitivity
AUX
250mA
MIC
0.7mV
Input inpedance
AUX
13.9kΩ
MIC
680Ω
●FM TUNER SECTION
Frequency range
87.50 - 108.00MHz
(50kHz steps)
Sensitivity
2.5µV (IHF)
S/N 26dB
2.2µV
Antenna terminal (s)
75Ω (unbalanced)
●AM TUNER SECTION
Frequency range
552-1629kHz (9kHz steps)
Sensitivity
520-1630kHz (10kHz steps)
S/N 20dB (at 999kHz)
560µV/m
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distribution is a violation of law.
SA-AK48
Colour
(S) ................. Silver Type
Areas
(GC) .............. Asia, Latin America,
Middle East and Africa.
TAPE SECTION : AR2 MECHANISM SERIES
CD SECTION : RAE0152Z-M TRAVERSE DECK
SERIES
SYSTEM : SC-AK48
●CASSETTE DECK SECTION
Track system
4 track, 2 channel
Heads
Record/playback
Soild permalloy head
Erasure
Double gap ferrite head
Motor
DC servo motor
Recording system
AC bias 100kHz
Erasing system
AC erase 100kHz
Tape speed
4.8cm/s
Frequency response (+3, -6dB) at DECK OUT
NORMAL (TYPE I)
35Hz - 14kHz
HIGH (TYPE II)
35Hz - 14kHz
S/N
50dB (A weighted)
Wow and flutter
0.18% (WRMS)
Fast forward and rewind time
Approx. 120 seconds with
C-60 cassette tape
●CD SECTION
Sampling frequency
44.1kHz
Decoding
16 bit linear
Beam source/wave length
Semiconductor laser/
780nm
Number of channels
Stereo
Frequency response
20Hz - 20kHz (+1dB, -2dB)
Wow and flutter
Below measurable limit
Digital filter
8fs
CD Stereo System
Specifications
ORDER No.MD0004060C3

Summary

Safety and Handling Precautions

Laser Diode Radiation Safety

Advises on precautions to avoid hazardous laser radiation exposure.

Troubleshooting and Diagnostics

Troubleshooting Guide for CD Playback

Provides flowcharts for diagnosing CD playback issues.

Technical Diagrams and Schematics

Measurement and Adjustment Procedures

Guides for tuning and calibrating circuits using test equipment.

Circuit Schematics

Detailed electrical schematics for all system sections.

System Block Diagrams

System Block Diagrams Overview

Illustrates the functional relationships between major system blocks.

Panasonic SB-AK48 Specifications

General

Brand	Panasonic
Model	SB-AK48
Category	Stereo System
Language	English