Panasonic sc-ak78 User Manual
Notes
1. Specifications are subject to change with-
out notice.
Weight and dimensions are approximate.
2. Total harmonic distortion is measured by
the digital spectrum analyzer.
Product service
Do not attempt to remove the cover(s) or
repair the unit yourself. Refer servicing to
qualified personnel only.
The servicer will require all components to
service your system. Therefore, should ser-
vice ever be necessary, be sure to bring the
entire system.
repair the unit yourself. Refer servicing to
qualified personnel only.
The servicer will require all components to
service your system. Therefore, should ser-
vice ever be necessary, be sure to bring the
entire system.
Product information
For product service, product information or
assistance with product operation, refer to
the servicenter directory.
assistance with product operation, refer to
the servicenter directory.
Specifications
CD SECTION
Sampling frequency
44.1 kHz
Decoding
16 bit linear
Frequency response 20 Hz – 20 kHz (+1, –2 dB)
Wow and flutter
Wow and flutter
Below measurable limit
Digital filter
8 fs
D/A converter
MASH (1 bit DAC)
SPEAKER SECTION
• Front speakers (SB-AK78)
Type
Type
4 way speaker system
Speaker(s)
Super woofer
17 cm (6
11
/
16
˝)
cone type
Woofer
12 cm (4
23
/
32
˝)
cone type
Tweeter 6 cm (2
3
/
8
˝)
ring shaped dome type
Super tweeter
Piezo type
Impedance
HIGH
6
Ω
MID
6
Ω
LOW
6
Ω
Input power
HIGH
60W (Music)
MID
60W (Music)
LOW
200 W (Music)
Output sound pressure level 87 dB/W (1.0 m)
Cross over frequency
Cross over frequency
150 Hz, 3.5 kHz
Frequency range
40 Hz – 50 kHz (–16 dB)
50 Hz – 36 kHz (–10 dB)
50 Hz – 36 kHz (–10 dB)
Dimensions (WxHxD)
250x348x292 mm
(9
27
/
32
˝x13
11
/
16
˝
x11
1
/
2
˝)
Weight
5.6
(12.3 lb.)
• Surround speakers (SB-PS70)
Type
Type
1 way, 1 speaker
Speaker
Full range
8 cm (3
1
/
8
˝
) cone type
Impedance
8
Ω
Input power
60 W (Music)
Output sound pressure level 84 dB/W (1.0 m)
Frequency range 120 Hz – 20 kHz (–16 dB)
Dimensions (WxHxD)
Frequency range 120 Hz – 20 kHz (–16 dB)
Dimensions (WxHxD)
170x106x118 mm
(6
11
/
16
˝x4
3
/
16
˝x4
21
/
32
˝ )
Weight
0.9
(2.0 lb.)
• Center speaker (SB-PC70)
Type
Type
2 way, 2 speaker
Speaker
Woofer
10 cm (4˝
) cone type
Tweeter
6 cm (2
3
/
8
˝
) cone type
Impedance
8
Ω
Input power
120 W (Music)
Output sound pressure level 85 dB/W (1.0 m)
Cross over frequency
Cross over frequency
4 kHz
Frequency range
75 Hz – 22 kHz (–16 dB)
Dimensions (WxHxD)
250x121x147 mm
(9
27
/
32
˝x4
3
/
4
˝x5
25
/
32
˝)
Weight
1.6
(3.5 lb.)
GENERAL
Power supply
AC 120 V, 60 Hz
Power consumption
230 W
Standby
Normal mode
13.5 W
Eco mode
0.25 W
Dimensions (WxHxD)
270x330x339 mm
(10
5
/
8
˝ x13˝ x13
11
/
32
˝)
Weight
9.2
(20.2 lb.)
Panasonic Consumer Electronics
Company, Division of Matsushita
Electric Corporation of America
Company, Division of Matsushita
Electric Corporation of America
One Panasonic Way Secaucus,
New Jersey 07094
http://www.panasonic.com
New Jersey 07094
http://www.panasonic.com
Panasonic Sales Company,
Division of Matsushita Electric of
Puerto Rico, Inc. (“PSC”)
Division of Matsushita Electric of
Puerto Rico, Inc. (“PSC”)
Ave. 65 de Infantería, Km. 9.5
San Gabriel Industrial Park, Carolina,
Puerto Rico 00985
San Gabriel Industrial Park, Carolina,
Puerto Rico 00985
Panasonic Canada Inc.
5770 Ambler Drive,
Mississauga, Ontario
L4W 2T3
www.panasonic.ca
Mississauga, Ontario
L4W 2T3
www.panasonic.ca
RQT5289-1P
M1199NM1129
© 1999 Matsushita Electric Industrial Co., Ltd.
Printed in Singapore
Printed in Singapore
Power consumption in standby mode
Eco mode on
Eco mode on
0.25 W
Eco mode off
13.5 W
AMPLIFIER SECTION
Front speaker power output
RMS power output
RMS power output
THD 1.0% , both channels driven
55 Hz–120 Hz
100 W per channel (6
Ω
)
120 Hz–4 kHz
30 W per channel (6
Ω
)
4 kHz–15 kHz
30 W per channel (6
Ω
)
Total tri-amp power
160 W per channel
Power output in
Dolby Pro Logic mode
RMS power output
THD 1.0% both channels
Front 55 Hz–120 Hz
100 W per channel (6
Ω
)
Front 120 Hz–15 kHz
30 W per channel (6
Ω
)
Center 1kHz
70 W per channel (8
Ω
)
Surround 1kHz
35 W per channel (8
Ω
)
Total power output
400 W
Input sensitivity
AUX 1, AUX 2
250 mV
Input Impedance
AUX 1, AUX 2
10 k
Ω
FM TUNER SECTION
Frequency range
87.9 – 107.9 MHz (200 kHz step)
87.5 – 108.0 MHz (100 kHz step)
87.5 – 108.0 MHz (100 kHz step)
Sensitivity
1.8
µ
V (IHF)
S/N 26 dB
1.5
µ
V
Antenna terminal(s)
75
Ω
(unbalanced)
AM TUNER SECTION
Frequency range 520 – 1710 kHz (10 kHz step)
Sensitivity
Sensitivity
S/N 20 dB
500
µ
V/m
CASSETTE DECK SECTION
Track system
4 track, 2 channel
Heads
Record/playback
Solid permalloy head
Erasure
Double gap ferrite head
Motor
DC servo motor
Recording system
AC bias 100 kHz
Erasing system
AC erase 100 kHz
Tape speed
4.8 cm/s (1
7
/
8
ips)
Overall frequency response
(+3, –6 dB at DECK OUT)
NORMAL (TYPE I)
NORMAL (TYPE I)
35 Hz – 14 kHz
HIGH (TYPE II)
35 Hz – 14 kHz
S/N
50 dB (A weight)
Wow and flutter
0.18% (WRMS)
Fast forward and rewind times
Approx. 120 seconds with C-60 cassette tape