KA-S10
STEREO INTEGRATED AMPLIFIER
INSTRUCTION MANUAL
LA DICHIARAZIONE DI CONFORMITA' "CE" DI QUESTO
PRODOTTO E' DEPOSITATA PRESSO:
KENWOOD ELECTRONICS EUROPE B.V.
AMSTERDAMSEWEG 37
1422 AC UITHOORN
THE NETHERLANDS
B61-1287-00 00 (E,X) KW 0508
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Caution : Read this page carefully
to ensure safe operation.
IMPORTANT SAFETY INSTRUCTIONS
Read Instructions – All the safety and operating instructions
should be read before the product is operated.
Retain Instructions – The safety and operating instructions
should be retained for future reference.
12.Servicing – Do not attempt to service this product your-
self as opening or removing covers may expose you to dan-
gerous voltage or other hazards. Refer all servicing to quali-
fied service personnel.
Heed Warnings – All warnings on the product and in the
operating instructions should be adhered to.
Follow Instructions – All operating and use instructions
should be followed.
13.Damage Requiring Service – Unplug this product from
the wall outlet and refer servicing to qualified service person-
nel under the following conditions:
a) When the power-supply cord or plug is damaged,
b) If liquid has been spilled, or objects have fallen into
the product,
1. Cleaning – Unplug this product from the wall outlet be-
fore cleaning. Do not use liquid cleaners or aerosol cleaners.
Use a damp cloth for cleaning.
2. Attachments – Do not use attachments not recom-
mended by the product manufacturer as they may cause
hazards.
3. Water and Moisture –This product shall not be exposed
to dripping and splashing - for example, near a bath tub, wash
bowl, kitchen sink, or laundry tub; in a wet basement; or near
a swimming pool; and the like. Do not place an object con-
taining liquid, such as a flower vase, on the appliance.
4. Accessories – Do not place this product on an unstable
cart, stand, tripod, bracket, or table. The product may fall,
causing serious injury to a child or adult, and serious damage
to the product. Use only with a cart, stand, tripod, bracket, or
table recommended by the manufacturer. Any mounting of
the product should follow the manufacturer’s instructions,
and should use a mounting accessory recom-
mended by the manufacturer.
A product and cart combination should be moved
with care. Quick stops, excessive force, and un-
even surfaces may cause the product and cart
combination to overturn.
5. Ventilation – Slots and openings in the cabinet are pro-
vided for ventilation and to ensure reliable operation of the
product and to protect it from overheating, and these open-
ings must not be blocked or covered. The openings should
never be blocked by placing the product on a bed, sofa, rug,
or other similar surface.This product should not be placed in
a built-in installation such as a bookcase or rack unless proper
ventilation is provided or the manufacturer’s instructions have
been adhered to.
c) If the product has been exposed to rain or water,
d) If the product does not operate normally by following
the operating instructions.
e) If the product has been dropped or damaged in any
way, and
f) When the product exhibits a distinct change in per-
formance – this indicates a need for service.
g) If an abnormal smell or smoke is detected.
14.Replacement Parts – When replacement parts are re-
quired, be sure the service technician has used replacement
parts specified by the manufacturer or have the same char-
acteristics as the original part. Unauthorized substitutions may
result in fire, electric shock, or other hazards.
15.Safety Check – Upon completion of any service or re-
pairs to this product, ask the service technician to perform
safety checks to determine that the product is in proper oper-
ating condition.
16.Wall or Ceiling Mounting – This product should be
mounted to a wall or ceiling only as recommended by the
manufacturer.
17. Heat – This product should be situated away from heat
sources such as radiators, heat registers, stoves, or other
products that produce heat. Do not place a flaming object,
such as a candle or lantern, or near the product.
18.Power Lines – An outside antenna system should not be
located in the vicinity of overhead power lines or other elec-
tric light or power circuits, or where it can fall into such power
lines or circuits. When installing an outside antenna system,
extreme care should be taken to keep from touching such
power lines or circuits as contact with them might be fatal.
6. Power Sources –This product should be operated only
from the type of power source indicated on the product. If
you are not sure of the type of power supply to your home,
consult your product dealer or local power company.
7. CAUTION - Polarization – This product may be
equipped with a polarized alternating-current line plug (a plug
having one blade wider than the other).This plug will fit into
the power outlet only one way.This is a safety feature. If you
are unable to insert the plug fully into the outlet, try reversing
the plug. If the plug should still fail to fit, contact your electri-
cian to replace your obsolete outlet. Do not defeat the safety
purpose of the polarized plug.
8. Power Cord Protection – Power-supply cords should be
routed so that they are not likely to be walked on or pinched
by items placed upon or against them, paying particular at-
tention to cords at plugs, convenience receptacles, and the
point where they exit from the product.
9. Lightning – For added protection for this product during
a lightning storm, or when it is left unattended and unused
for long periods of time, unplug it from the wall outlet and
disconnect the antenna or cable system. This will prevent
damage to the product due to lightning and power-line surges.
19.Outdoor Antenna Grounding – If an outside antenna or
cable system is connected to the product, be sure the an-
tenna or cable system is grounded so as to provide some
protection against voltage surges and built-up static charges.
Article 810 of the National Electrical Code, ANSI/NFPA 70,
provides information with regard to proper grounding of the
mast and supporting structure, grounding of the lead-in wire
to an antenna discharge unit, size of grounding conductors,
location of antenna-discharge unit, connection to grounding
electrodes, and requirements for the grounding electrode.
EXAMPLE OF ANTENNA
GROUNDING AS PER NATIONAL
ELECTRICAL CODE
ANTENNA
LEAD IN WIRE
GROUND
CLAMPS
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810-20)
ELECTRIC
SERVICE
EQUIPMENT
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
GROUND CLAMP
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250, PART H)
10.Overloading – Do not overload wall outlets, extension
cords, or integral convenience receptacles as this can result
in a risk of fire or electric shock.
NEC – NATIONAL ELECTRICAL CODE
11. Object and Liquid Entry – Never push objects of any
kind into this product through openings as they may touch
dangerous voltage points or short-out parts that could result
in a fire or electric shock. Never spill liquid of any kind on the
product.
Notes:
1. Item 7 is not required except for grounded or polarized
equipment.
2. Item 19 complies with UL in the U.S.A.
ENGLISH
3
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Special features
Three sets of input connectors
Considering connection with a portable component with a low audio output level, an analog input with high
input gain (D.AUDIO) is provided in addition to two analog inputs for ordinary desktop components (CD,
AUX).
Subwoofer output connector
A subwoofer with built-in amplifier and pin jack input can be connected to this unit.
N.B. (Natural Bass) circuit
The bass sounds can be selected from three presets featuring different amplification center frequencies and
levels according to the installation environment and size of the speakers.
Either vertical or horizontal installation
A pair of stands is provided for installing this unit vertically or on its side.
Important items
Reference
Caution on condensation
Condensation (of dew) may occur inside the unit when there is a great difference in temperature between this unit and
the outside.
This unit may not function properly if condensation occurs. In this case, leave the unit for a few hours and restart the
operation after the condensation has dried up.
Be specially cautious against condensation in a following circumstances:
When this unit is carried from one place to another across a large difference in temperature, when the humidity in the
room where this unit is installed increases, etc.
Maintenance
Maintenance of the unit
In regard to contact cleaner
When the front panel or case becomes dirty, wipe with a
soft, dry cloth. Do not use thinner, benzine, alcohol, etc.
for these agents may cause discoloration.
Do not use contact cleaners because it could cause a
malfunction. Be specially careful not to use contact clean-
ers containing oil, for they may deform the plastic com-
ponent.
ENGLISH
5
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Connections
Connecting the playback components
CONNECTION PRECAUTIONS
CAUTION
Do not connect the power cord plug into the power
outlet until all other connections are complete.
Before unplugging a cord or cable from the unit, be
always sure to set the POWER switch to OFF and
unplug the power plug from the power outlet.
Be sure to adhere to the following, or proper ventila-
tion will be blocked causing damage or fire hazard.
÷ Do not place any objects impairing heat radiation
onto the top of the unit.
÷ Leave some space around the unit (from the largest
outside dimension including projection) equal to or
greater than, shown below.
CAUTION
Top panel : 50 cm Back panel : 10 cm
Simply setting the POWER switch to OFF does not
shut down the power supplied to the unit com-
pletely. To isolate this unit completely from the
power supply, it is necessary to unplug the power
cord from the power outlet.
÷ Do not place the equipment onto a bed, a sofa, a
carpet, or similar. Sucked-in dust can cause fire.
To shut down the power supply to the unit immedi-
ately in case of an emergency, connect the power
plug to an easily accessible power outlet.
Power plug
To AC wall outlet
Insert the power plug all the
way and securely into a power
outlet.
White
Red
Audio cord
(provided
accessory)
AUDIO OUT
(LINE OUT)
CD player etc.
Select the input connectors according to the type of
the component connected to it.
The D.AUDIO input is provided with high input gain so
that it can accept the input from the headphones out-
put of a portable component such as a HDD (Hard Disc
Drive) audio player. If the line output from a desktop
component such as a CD player is connected to these
connectors, the audio is played at a larger volume than
when it is connected to the CD or AUX connectors. In
this case, however, the audio may be distorted if the
listening volume is set too high.
HDD audio player etc.
÷ In case an associated system component is connected, also read the instruction manual of the component.
÷ Be sure to insert all connection cords securely. If their connections are imperfect, the sound may not be
produced or noise may interfere.
6
ENGLISH
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Connections
Connecting the speakers
CONNECTION PRECAUTIONS
Do not connect the power cord plug into the power outlet until all other connections are complete.
Before unplugging a cord or cable from the unit, be always sure to set the POWER switch to OFF and unplug the
power plug from the power outlet.
Be careful so that the conductors of speaker wires do not contact other terminals or the case of the unit.
Powerd subwoofer
Speakers
(Impedance 6 Ω - 16 Ω)
Left
Right
1 Strip coating
2 Loosen
3 Insert
4 Secure
÷ Never short-circuit the "+" and "–" speaker cords. It may cause malfunction.
÷ If the "+" and "–" polarity are inverted, the sound will be unnatural with unclear positioning of musical instruments, etc.
÷ Be sure to insert all connection cords securely. If their connections are imperfect, the sound may not be produced
or noise may interfere.
ENGLISH
7
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Controls and indicators
VOLUME
INPUT SELECTOR
POWER
ON OFF
N.B.CIRCUIT
AUX
1
2
OFF
3
CD
D.AUDIO
MIN
MAX
STEREO INTEGRATED AMPLIFIER KA-S10
1
2
3
4
5
1 POWER switch
4 INPUT SELECTOR knob
Switches the power ON and OFF.
Selects the input source (D.AUDIO, CD or AUX).
2 VOLUME knob
5 N.B. CIRCUIT knob
Rotating the knob clockwise increases the volume level,
and rotating the knob counterclockwise decreases the
volume level.
Adjusts the bass tone in three steps.
Select the position according to the speakers in use or
your liking.
3 Input indicator
The indicator for the input source selected with the
INPUT SELECTOR knob lights up.
All of the indicators are extinguished when the power
is switched OFF.
Vertical installation
The unit can be installed vertically, or on its left side, by using the pair of stands provided with it.
CAUTION
Be sure to observe the following cautions when in-
stalling the unit. Incorrect installation may cause the
unit to turn over or topple down and cause injuries.
÷ Always use the provided stands when installing the
unit vertically.
÷ When installing the unit vertically, position it so that
the POWER switch comes at the lower position as
shown in the illustration.
CAUTION
When installing the unit, be careful not to block the
POWER switch
ventilation openings to ensure sufficient heat radia-
tion. Otherwise, the heat pooled inside the unit may
cause malfunction or a fire hazard.
8
ENGLISH
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Operation
1. Switching the power on (off).
POWER
ON OFF
Press the POWER switch to switch the unit ON.
One of the input indicators light up when the power is switched
ON.
To switch the unit OFF, press the POWER switch again.The input
indicators should turn off when the power is OFF.
2. Selecting the desired input sources.
When CD is selected
.
Turn the INPUT SELECTOR knob in either direction to select the
source.
INPUT SELECTOR
The input indicator for the selected input source lights up.
AUX
CD
D.AUDIO
3. Adjusting volume.
Decrease
volume
Increase
volume
Turn theVOLUME knob in either direction to adjust the volume.
Turning the knob clockwise increases the listening volume and
turning the knob clockwise decreases it.
VOLUME
MIN
MAX
Adjusting the bass tone with N.B. (Natural Bass) CIRCUIT knob
Turn the N.B. CIRCUIT knob in either direction to adjust the low frequencies if necessary.
OFF : Normal playback (The N.B. circuit function is de-
activated.)
N.B.CIRCUIT
1
2
3
: Enhances the low frequencies around 60 Hz.
: Enhances the low frequencies around 70 Hz.
: Enhances the low frequencies around 100 Hz.
1
2
OFF
3
Image of enhancement effects of N.B. circuit
Level
In general, the bass adjustment using the N.B. circuit is
most effective when using compact speakers because
the bass is often insufficient with these kinds of
speakers. The N.B. CIRCUIT knob should be set to OFF
with a subwoofer.
Frequency
ENGLISH
9
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Contents
Caution : Read the pages marked
carefully to ensure safe operation.
Connections ..................................................................... 6
Connecting the playback components .................................... 6
Connecting the speakers ........................................................... 7
Before applying power............................................ 2
Safety precautions............................................................... 2
IMPORTANT SAFETY INSTRUCTIONS ................... 3
Contents ............................................................................ 4
Accessories .................................................................................. 4
Special features .............................................................. 5
Important items................................................................ 5
Reference ...................................................................................... 5
Maintenance ................................................................................ 5
Controls and indicators.................................................. 8
Vertical installation .................................................................... 8
Operation .......................................................................... 9
In case of difficulty ....................................................... 10
Specifications................................................................ 10
Accessories
Unpacking
Unpack the unit carefully and make sure that all the accessories are present.
Audio cord (1)
Stand (2)
(RCA plug - Φ3.5 mm plug)
If any accessories are missing, or if the unit is damaged or fails to operate, notify your dealer immediately. If the unit
was shipped to you directly, notify your shipper immediately. Kenwood recommends that you retain the original carton
and packing materials in case you need to move or ship the unit in the future.
Keep this manual handy for future reference.
For your records
Record the serial number, found on the back of the unit, in the spaces designated on the warranty card, and in the space
provided below. Refer to the model and serial numbers whenever you call upon your dealer for information or service on
this product.
Model KA-S10
Serial Number
4
ENGLISH
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In case of difficulty
What seems to be a malfunction is not always so. Before calling for service, check the following table ac-
cording to the symptom of your trouble.
Symptom
Sound is not produced.
Remedy
÷
÷
÷
Connect properly referring to "Connections".
Adjust to a required volume.
Select the desired input source with the INPUT SELECTOR
knob.
67
9
9
÷
÷
The speaker protection circuit may be activated. Read “Speaker
protection circuit” below and remove short-circuiting of the
No sound is output or noise interferes.
speaker cords.
0
Connect properly referring to "Connections".
67
Sound is not produced from the left or right
speaker.
÷
÷
Connect properly referring to "Connections".
If the headphones output of a portable component is connected
to the CD or AUX input connectors, reconnect it to the D.AUDIO
67
Sound volume is too low.
input connectors.
6
÷
÷
Connect properly referring to "Connections".
If the line output of a desktop component such as a CD player is
connected to the D.AUDIO input connectors, reconnect it to the
67
Sound is too loud and distorted.
CD or AUX input connectors.
6
Speaker protection circuit
The speaker protection circuit is activated when the unit is switched ON while the + and – speaker cords are shorted.
When activated, the speaker protection circuit shuts off the audio output to protect both the unit and speakers.
If the speaker cords are shorted, switch the unit OFF, unplug the power cord from the power outlet, and then reconnect
the speaker cords properly by removing the short-circuiting. Plug the power plug into the power outlet and set the
POWER switch to ON to reuse the unit.
Specifications
[Audio section]
[General]
Effective output power during STEREO operation
(1 kHz, 10 % T.H.D., at 8 Ω) ...... 12 W + 12 W (RMS)
(1 kHz, 10 % T.H.D., at 6 Ω) ...... 13 W + 13 W (RMS)
Rated output power during STEREO operation
(63 Hz ~ 12.5 kHz, at 8 Ω) ...........10 W + 10 W (DIN)
(63 Hz ~ 12.5 kHz, at 6 Ω) ...........11 W + 11 W (DIN)
Total harmonic distortion
Power consumption .............................................. 28 W
Dimensions
Horizontal installation ............ W 171 mm (6-3/4 ")
H
D
67 mm (2-5/8 ")
207 mm (8-1/8 ")
Vertical installation................. W 89 mm (3-1/2 ")
H
D
182 mm(7-3/16 ")
207 mm (8-1/8 ")
............................. 0.03 % (AUX IN, 1 kHz, 6 W, 8 Ω)
N.B. Circuit
Weight (net) .................................................. 2 kg (4.4 lb)
N.B. 1 ............................................. +3.0 dB (at 60 Hz)
N.B. 2 ............................................. +5.0 dB (at 70 Hz)
N.B. 3 ...........................................+7.5 dB (at 100 Hz)
Input (Sensitivity / Impedance)
LINE (CD, AUX) ............................... 250 mV / 22 kΩ
LINE (D.AUDIO) ............................... 140 mV / 48 kΩ
Output (Level / Impedance)
Notes : KENWOOD follows a policy of continuous
advancements in development. For this reason specifica-
tions may be changed without notice.
SUBWOOFER PREOUT ....................... 1.8 V / 2.9 kΩ
÷
Sufficient performance may not be exhibited at ex-
tremely cold locations (where water freezes).
10
ENGLISH
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