Sony SRS-A57 User manual

3-044-671-11 (1)
Active Speaker
System
Operating Instructions
Before operating the unit, please read this manual
thoroughly and retain it for future reference.
SRS-A57
© 2000 Sony Corporation

WARNING
To prevent fire or shock hazard, do not
expose the unit to rain or moisture.
1"oavoid electrical shock, do not open
the cabinet. Refer servicing to qualified
personnel only.
CAUTION:TO REDUCE THE RISK O= ELECTRIC SH_K,
DO NOT REMOVE COVER (OR BACK)
NO USER-SERVtCEABLEpARTS INSIDE.
REFERSERVICING TO _AUFIED SERVICE PERSONNEL.
This symbol is intended to alert the
user to the presence of uninsulated
"dangerous voltage" within tbe
product's enclosure that may be of
sufficient magnitude to constitute a
risk of electric shock to persons,
This symbol is intended to alert the
user to the presence of important
operating and maintenance
(serviehlg) instructions in the
literature accompanying the
appliance
Owner's Record
The model number and the serial number ale located
on the bottom of the unit Record the model number
and the serial number in the space provided below.
Refer to then_ whenever you call upon youl Sony
dealer regarding this product.
Model No SRS AS7
Serial No
Features
The Sony SRS A57 is a coral)act size speakei systerll
v,'it]l abuilt in power atnplifie[, This system call be
cotmected to a Discman, WALKhlAN* headphone
stereo, personal computer, etc,
• Tile magnetically shielded speakers should ha\,e
little effect on a TV screen or recorded tapes, etc
when placed close to them.
• MEGA BASS, IBB (intelligent Bass Boost) circuit
enables you to obtain powerful bass, regardless of
the sound volume.
• Power output of 5 W + S W
• The "dynatllic sound duct" assures a rich and
powerful bass
* WALKMAN is a registered uademark of Sony
Corporation
mower Source
ACpower adaptor
(supplied) L
= ==_1_to a wall outlet
he mains power source is required when the system
used, Note on the AC power adaptor
Use on b. the supplied AC pov_er adaptor. Do not use
any othel AC power adaptoi.
Polarity of the plug

Precautions
• Operate the system only on 15 V DC.
For AC operation, use only the supplied AC pow'e_
adaptor. Do not use any othel AC power adaptoL
•After operating the system with tbe AC power
adaptor, disconnect the AC power adaptol from the
wall outlet it the system is trot to be used for an
extended t)eliod o f dine. Tim POWER switch on
rile system does not turn tile AC power adaptoi off.
• Do not open fl_ecobhlet. Refer se_iclngto
qualified personnel only.
• 1_3onot leave the system hi a location near heat
SOLt[CeS.or hi a place subject to dit eel sunlight,
excessive dust, moisture, rain or mechanical shock.
• Should any solid object or liquid fall into the
system, disconnect the AC I)ower adaptor and have
the system checked by qualified personnel before
operating it any lurther
• Do not use alcohol, benzine or ddnner to clean the
cabinet.
• Although this system is magnetically shielded, do
not leave recorded tapes, watches, personal credit
caIds or floppy disks using magnedc coding in
front of the system for an extended period of time.
If the "IV picture or monitor display is
magnetically distorted
Although this systeln is magnetically shielded, throe
may be cases that the picture on some TV sets/
personal conlputet sets may become magnetically
distorted In such a case, turn off the powei of tile TV
set/personal conlputet set once, and after 15 to 30
mitlutes ruin J[on again. For tile personal colnputer
set, take tile appropria[e nleasures such as data
storage before turning it off.
When there seems to be no improvement, locate
the system furthel a\_ ay from the qt\; set,' persooal
computel set Furthernlore, be sure not to place
objects hi which magnets are attached or used ileal
die TV set/personal computer set, such as audio
racks, TV s_ands, toys etc. These may ('ause magnetic
distortion to the picture due to their interaction with
the system
If you have any questions oi problems concerning
your system that are not covered in this manual
please consult you) nearest Sony dealer.
Specifications
Amplifier sexton
power output 5 W + 5 W 10% THD,
500 Hz - 1 kHz, 4 ohms
uslng with the supplied AC prover
adaptor
Input impedance 4.7 kilohms (at i kHz)
Speaker section
System Full range bass reflex type
Speaker unit Full-range (magnetically shleldedl:
o65mm (2 _/8 in.)
Nominal impedance
4ohms
Rated input power 5W
General
Power requirementDC 15 V jack accepts the supplied AC
power adaptor (left speaker only')
Inputs Input cord
left: stereo miniplug (1.5 m)
right: monaural mtnipiug (1.0 m)
Dimensions Approx. 112 × 190 x 125 mm (w/hid)
(4 lfz X 7I/2 X 5 in.)
Mass Left speaker: Approx. 545 g (1 Ib 3 oz,),
Right speaker: Approx. 465 g (I lb)
Supplied accesso_'
AC power adaptor (1)
Optional accessories
Plug adaptor PC-236HG
Connecting cord RK-G138HG
Design and specifications are subject to change without
_ot[ce.
The CE mark on the unit is valid oMy for products
marketed in tbe European Union.

Connections
Right speaker (Rear)
to R OUT jack of
the left speaker
fLeft speaker (Rear) tO AUDIO OUT /
2__i lPersonal computer
_" _ to a headphonesjack I @
/L-----_ (stereo mini jack)_eD_s cman' WALKMAN*,
*WALKMAN is a registered
trademark of Sony Corporation,
Connect the left speake_ to the source equipment.
When the system is connected to a monaural jack of a
radio, etc., the sound may only come through tile left
speaker In such a case, use the optional Son',, plug
adaptor PC-236HG.
The sound will come through both speakers.
To connect to a stereo phone-type
headphones jack
Usethe optional Sony RK-GI38HGconnecting cord
How to Use
Listening to the sound through the built-in amplifier
Left speaker (Front) Right speaker (Front)
1 2
wPOWER
indicator
1 Press the POWER switch (.= ON).
The POWER indicator lights up.
2Adjust the VOLUME control.
Turn off the MEGA BASS (Walkman, Discman, etc.)
function as it may cause sound distortion
After listening, press the POWER switch (InOFF).
The POWER indicator goes off,

Sony Corporation Printed in USA