Denon DN-A300M User Manual
INTEGRATED AMPLIFIER
DN-A300M
OPERATING INSTRUCTIONS
MODE D’EMPLOI
INSTRUCCIONES DE FUNCIONAMIENTO
I
SAFETY PRECAUTIONS
CAUTION:
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO
NOT REMOVE COVER (OR BACK). NO USERSERVICEABLE PARTS INSIDE. REFER SERVICING
TO QUALIFIED SERVICE PERSONNEL.
The lightning flash with arrowhead symbol, within an
equilateral triangle, is intended to alert the user to the
presence of uninsulated “dangerous voltage” within the
product’s enclosure that may be of sufficient magnitude
to constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle is
intended to alert the user to the presence of important
operating and maintenance (servicing) instructions in
the literature accompanying the appliance.
WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO
NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
FRANCAIS ESPAÑOLENGLISH
1) Read these instructions.
2) Keep these instructions.
3) Heed all warnings.
4) Follow all instructions.
5) Do not use this apparatus near water.
6) Clean only with dry cloth.
7) Do not block any ventilation openings.
Install in accordance with the manufacturer's
instructions.
8) Do not install near any heat sources such as
radiators, heat registers, stoves, or other apparatus
(including amplifiers) that produce heat.
9) Do not defeat the safety purpose of the polarized or
grounding-type plug. Apolarized plug has two
blades with one wider than the other.
A grounding type plug has two blades and a third
grounding prong. The wide blade or the third prong
are provided for your safety. If the provided plug
does not fit into your outlet, consult an electrician for
replacement of the obsolete outlet.
10) Protect the power cord from being walked on or
pinched particularly at plugs, convenience
receptacles, and the point where they exit from the
apparatus.
11) Only use attachments/accessories specified by the
manufacturer.
12) Use only with the cart, stand, tripod, bracket, or
table specified by the manufacturer, or sold with the
apparatus.
When a cart is used, use caution when moving the
cart/apparatus combination to avoid injury from tipover.
13) Unplug this apparatus during lightning storms or
when unused for long periods of time.
14) Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been
damaged in any way, such as power-supply cord or
plug is damaged, liquid has been spilled or objects
have fallen into the apparatus, the apparatus has
been exposed to rain or moisture, does not operate
normally, or has been dropped.
IMPORTANT SAFETY INSTRUCTIONS
PORTABLE CART WARNING
CAUTION:
• The ventilation should not be impeded by covering the ventilation openings with
items, such as newspapers, tablecloths, curtains, etc.
• No naked flame sources, such as lighted candles, should be placed on the
apparatus.
• Attention should be drawn to the environmental aspects of battery disposal.
• Do not expose the set to dripping or splashing fluids.
• No objects filled with liquids, such as vases, shall be placed on the apparatus.
ATTENTION:
• La ventilation ne doit pas être gênée en recouvrant les ouvertures de la
ventilation avec des objets tels que journaux, rideaux, tissus, etc.
• Aucune flamme nue, par exemple une bougie, ne doit être placée sur l’appareil.
• Veillez à respecter l’environnement lorsque vous jetez les piles usagées.
• L’appareil ne doit pas être exposé à l’eau ou à l’humidité.
• Aucun objet contenant du liquide, par exemple un vase, ne doit être placé sur
l’appareil.
PRECAUCIÓN:
• La ventilación no debe quedar obstruida por hacerse cubierto las aperturas con
objetos como periódicos, manteles, cortinas, etc.
• No debe colocarse sobre el aparato ninguna fuente inflamable sin protección,
como velas encendidas.
• A la hora de deshacerse de las pilas, respete la normativa para el cuidado del
medio ambiente.
• No se expondrá el aparato al goteo o salpicaduras cuando se utilice.
• No se colocarán sobre el aparato objetos llenos de líquido, como jarros.
CAUTION:
To completely disconnect this product from the mains, disconnect
the plug from the wall socket outlet.
The mains plug is used to completely interrupt the power supply
to the unit and must be within easy access by the user.
PRECAUTION:
Pour déconnecter complètement ce produit du courant secteur,
débranchez la prise de la prise murale.
La prise secteur est utilisée pour couper complètement
l’alimentation de l’appareil et l’utilisateur doit pouvoir y accéder
facilement.
PRECAUCIÓN:
Para desconectar completamente este producto de la
alimentación eléctrica, desconecte el enchufe del enchufe de la
pared.
El enchufe de la alimentación se utiliza para interrumpir por
completo el suministro de alimentación a la unidad y debe de
encontrarse en un lugar al que el usuario tenga fácil acceso.
II
ENGLISH
FRANCAISESPAÑOL
NOTE ON USE/OBSERVATIONS RELATIVES
A L’UTILISATION/ NOTAS SOBRE EL USO
• Avoid high temperatures.
Allow for sufficient heat dispersion
when installed in a rack.
• Eviter des températures élevées
Tenir compte d’une dispersion de
chaleur suffisante lors de
l’installation sur une étagère.
• Evite altas temperaturas
Permite la suficiente dispersión del
calor cuando está instalado en la
consola.
• Handle the power cord carefully.
Hold the plug when unplugging the
cord.
• Manipuler le cordon d’alimentation
avec précaution.
Tenir la prise lors du
débranchement du cordon.
• Maneje el cordón de energía con
cuidado.
Sostenga el enchufe cuando
desconecte el cordón de energía.
• Keep the apparatus free from moisture,
water, and dust.
• Protéger l’appareil contre l’humidité,
l’eau et lapoussière.
• Mantenga el equipo libre de humedad,
agua y polvo.
• Unplug the power cord when not
using the apparatus for long periods of
time.
• Débrancher le cordon d’alimentation
lorsque l’appareil n’est pas utilisé
pendant de longues périodes.
• Desconecte el cordón de energía
cuando no utilice el equipo por mucho
tiempo.
* (For apparatuses with ventilation holes)
• Do not obstruct the ventilation holes.
• Ne pas obstruer les trous d’aération.
• No obstruya los orificios de ventilación.
• Do not let foreign objects into the
apparatus.
• Ne pas laisser des objets étrangers
dans l’appareil.
• No deje objetos extraños dentro del
equipo.
• Do not let insecticides, benzene, and
thinner come in contact with the
apparatus.
• Ne pas mettre en contact des
insecticides, du benzène et un diluant
avec l’appareil.
• No permita el contacto de
insecticidas, gasolina y diluyentes con
el equipo.
• Never disassemble or modify the
apparatus in any way.
• Ne jamais démonter ou modifier
l’appareil d’une manière ou d’une
autre.
• Nunca desarme o modifique el
equipo de ninguna manera.
1. PRODUCT
This product complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) this product may not cause harmful interference, and (2) this product must accept any
interference received, including interference that may cause undesired operation.
2. IMPORTANT NOTICE : DO NOT MODIFY THIS PRODUCT
This product, when installed as indicated in the instructions contained in this manual, meets FCC
requirements. Modification not expressly approved by DENON may void your authority, granted by the
FCC, to use the product.
3. NOTE
This product has been tested and found to comply with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation.
This product generates, uses and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications. However, there
is no guarantee that interference will not occur in a particular installation. If this product does cause harmful
interference to radio or television reception, which can be determined by turning the product OFF and ON,
the user is encouraged to try to correct the interference by one or more of the following measures:
•
Reorient or relocate the receiving antenna.
•
Increase the separation between the equipment and receiver.
•
Connect the product into an outlet on a circuit different from that to which the receiver is connected.
•
Consult the local retailer authorized to distribute this type of product or an experienced radio/TV technician
for help.
FCC INFORMATION (For US customers)
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la Classe B est conforme à la norme NMB-003 du Canada.
ENGLISH
ENGLISH
1
Check that the following parts are attached in addition to the
main unit:
Accessories
Cautions on installation
Note:
For heat dispersal, do not install this unit in a confined
space such as a bookcase or similar enclosure.
Wall
Note
Before using
Pay attention to the following before using this unit:
•Moving the set
To prevent short-circuits or damaged wires in the
connection cables, always unplug the power supply cord
and disconnect the connection cables between all other
audio components when moving the unit.
•Before turning the power switch on
Check once again that all connections are correct and that
there are not problems with the connection cables. Always
set the power switch to the standby position before
connecting and disconnecting connection cables.
•Store the operating instructions in a safe place.
After reading the operating instructions, store them in a
safe place as they could come in handy in the future.
•Whenever the power switch is in the STANDBY state,
the unit is still connected to AC line voltage.
Please be sure to turn off the power switch or unplug
the cord when you leave home for, say, a vacation.
•Note that the illustrations in these instructions may
differ from the actual unit for explanation purposes.
① Operating instructions ................................................... 1
② Service station list ......................................................... 1
③ Remote control unit (RC-1101) ...................................... 1
④ Batteries (R03/AAA) ....................................................... 2
⑤ Mounting screws ........................................................... 4
Using a mobile phone near this unit may result in noise. If so,
move the mobile phone away from this unit when it is in use.
Cautions on using mobile phones
Contents
Getting Started
Thank you for choosing the DENON PROFESSIONAL DN-A300M Premain Amplifier. This remarkable component has been engineered to
provide superb sound, as well as providing outstanding high fidelity
reproduction of your favorite music sources.
As this product is provided with an immense array of features, we
recommend that before you begin hookup and operation that you
review the contents of this manual before proceeding.
Accessories ···················································································1
Cautions on installation································································1
Cautions on using mobile phones ··············································1
Before using···················································································1
About the remote control unit······················································1
Inserting the batteries ···································································2
Operating range of the remote control unit································2
Part names and functions
Front panel ················································································2, 3
Rear panel·····················································································3
Remote control unit······································································3
Mounting the set on the rack·······················································4
Connecting the Audio Equipment ···············································4
Cable indications···········································································4
Connecting the speakers······························································4
Connecting Players and Speakers···············································5
Connecting Recorders··································································5
Connecting the power cord··························································5
Preparations prior to playing
·······················································6
Starting playback
···········································································6
Using the microphone
·································································6
Starting recording
·········································································
6
Getting Started
Connections
Operation
Troubleshooting
·············································································
7
Specifications
················································································
7
About the remote control unit
The included remote control unit can be used to control
DENON PROFESSIONAL CD players, tape decks and tuners.
Some products may not be operable.
ENGLISH
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Getting Started Getting Started
Part names and functions
Front panel
❶ POWER indicator
❷ POWER switch ( ON/STANDBY OFF )
❸ Remote control sensor
❹ BASS control knob
❺ TREBLE control knob
❻ BALANCE control knob
❼ VOLUME control knob
❽ MIC LEVEL control knob
❾ MIC INPUT jack
❿ INPUT SELECTOR knob
Use this to select the source that you wish
to listen to.
Input indicator
The selected input is shown with an orange
indicator.
MIC AGC(Auto Gain Control) button/
indicator
Adjusts the level to prevent clipping the
sound when mic input level is extremely
high.
NOTE:
•This function works when the MIC MIX
indicator lights up.
MIC MIX button/indicator
Mixes mic input with source input and
outputs them.
AUTO MUSIC MUTE button/indicator
Use this to output source input as its level is
attenuated with the MUSIC MUTE LEVEL
knob on the rear panel when mixing mic
input with source input.
NOTE:
•This function works when the MIC MIX
indicator lights up.
LOUDNESS button/indicator
Amplifies the bass and treble sound that is
hard to hear at low volume level and
achieves a more natural sound.
SPEAKERS A/B buttons/indicators
Switches the speakers connected to speaker
output terminals.
Notes on batteries:
•Replace the batteries with new ones if the
set does not operate even when the remote
control unit is operated nearby the unit. (The
attached batteries are only for verifying
operation.)
•When inserting the batteries, be sure to do
so in the proper direction, following the “⊕”
and “⊖” marks in the battery compartment.
•To prevent damage or leakage of battery
fluid:
•Do not use a new battery together with an
old one.
•Do not use two different types of batteries.
•Do not short-circuit, disassemble, heat or
dispose of batteries in flames.
•If the battery fluid should leak, carefully wipe
the fluid off the inside of the battery
compartment and insert new batteries.
•Remove the batteries from the remote if it
will not be in use for long periods.
Operating range of the remote
control unit
•Point the remote control unit at the remote
sensor when operating it.
•The remote control unit can be used from a
distance of up to about 23 feet / 7 meters, at
a horizontal angle of up to 30° with respect to
the sensor.
Approx. 23 feet /
7 meters
30°
30°
NOTE:
•It may be difficult to operate the remote
control unit if the remote sensor is exposed
to direct sunlight or strong artificial light.
Inserting the batteries
① Remove the remote control unit’s rear cover.
② Set two R03/AAA batteries in the battery
compartment in the indicated direction.
③ Put the rear cover back on.
2
ENGLISH
ENGLISH
3
Getting Started
Remote control unit
•The included remote control unit can be used to operate DENON PROFESSIONAL CD players, tape
decks and tuners.
•When using it, also refer to the operating instructions of the other devices.
•Some products may not be operable.
POWER button
This operates the main unit’s
power.
SPEAKERS A/B button
This switches the speakers
connected to speaker terminals.
Input selector buttons
These switch the input source.
LOUDNESS button
This amplifier the bass and treble
sound that is hard to hear at low
volume level and achieves a
more natural sound.
Volume +, - buttons
These adjust the volume.
MIC MIX button
This mixes mic input with source
input and outputs them.
MIC AGC button
This adjusts the level to prevent
clipping the sound.
AUTO MUSIC MUTE
button
This outputs source input as its
level is attenuated with the
MUSIC MUTE LEVEL knob on
the rear panel.
Amplifier operating
buttons
CD player block
DENON
PROFESSIONAL
product operating
buttons
0~9, +10 : Number buttons
DISC SKIP :
This button selects the disc,
when using a DENON
PROFESSIONAL multi-disc CD
player.
: Play
: Pause
: Stop
,
: Search
RANDOM : Random
playback
REPEAT : Repeat playback
TUNER block
TUNER PRESET +, -
These switch the preset
channel.
Tape deck block
: Rewind
: Fast-forward
: Reverse play
: Forward play
A/B : Switch between
decks A and B for
double decks
REC : Record
: Pause
: Stop
NOTE:
•Functions ❽, , and are only
available when the MIC MIX function is
turned on.
Rear panel
SIGNAL GND (ground) terminal
Connect the ground wire from your turntable
here.
SPEAKER SYSTEMS terminals
Connect your speakers here.
AC OUTLETS
Use these as the power outlets for other audio
devices. Check equipment power requirement
ratings before use(see the ratings as marked
on the rear panel). If in doubt consult with your
dealer or DENON PROFESSIONAL distributor.
•Short-circuiting plugs are inserted into the
PHONO input terminals. Remove these when
connecting a turntable. Be sure to keep it for
future use.
NOTE:
•NEVER insert the short-circuiting pin plug
into the recording output or PRE OUT
terminals. Doing so could result in damage.
NOTE:
•This terminal is not a safety ground.
INPUTS terminals
Connect your source equipment here.
Recording input/output terminals
(TAPE-1 and TAPE-2)
Connect your recording equipment here.
PRE OUT terminals
Use this to add such equipment as a power
amplifier or subwoofer.
MIC SENSE LEVEL knob
The mic input sensitivity can be adjusted.
Left turn is low sensitivity.
Right turn is high sensitivity.
MUSIC MUTE LEVEL knob
The source input attenuation level can be
adjusted(-20dB ~ 0dB) when mixing mic input
with source input.
•When the VOLUME control knob is set just
beyond the “12 o’clock” position (over
halfway), the adjustments that can be made
with the BASS and TREBLE controls is
decreased.
•When the VOLUME control knob is set to
maximum or turned fully clockwise, the bass
and treble can no longer be adjusted.
MUTE button
Press this to mute the sound.
The power indicator on the main
unit blinks red.
Press again to produce sound.
Getting Started
ENGLISH
ENGLISH
Speakers used
4
Cable indications
The hookup diagrams on the subsequent pages assume the use of the following optional connection
cables (not supplied).
Audio cable
Analog terminal (Stereo)
Pin-plug cable
(White)
(Red)
Signal direction
Audio signal
IN OUT OUT IN
Connecting the Audio Equipment
NOTE:
•Do not plug in the power cord until all
connections have been completed.
•When making connections, also refer to the
operating instructions of the other
components.
•Be sure to connect the left and right
channels properly (left with left, right with
right).
•Do not bundle power cords together with
speaker cables. Doing so could result in
humming or noise.
•Do not turn up the volume when no
turntable is connected to the PHONO input
terminals. Doing so will cause humming or
noise.
When not connecting a turntable, leave the
included short-circuiting pin plug plugged in.
Cautions on playing SA sources:
When regular speakers not compatible with
SA sources (DVD Audio discs, Super Audio
CDs and other sources including treble
components above the audible range), set the
properties of the player (DVD Audio player,
Super Audio CD player, etc.) for use with
regular speakers (or amplifiers).
The speakers may be damaged if the volume
is set too high when playing SA sources.
For instructions on setting the player, refer to
the operating instructions included with the
player.
Impedance
8 ~ 16 Ω/ohmsBoth A and B
Connections
Connecting the speakers
Speaker impedance
Use speakers with impedances within the
ranges shown below according to their usage
conditions.
4 ~ 16 Ω/ohmsA or B only
Connect the speaker terminals with the speakers
making sure that like polarities are matched (⊕
with ⊕, ⊖ with ⊖).
Mounting the set on the rack
This set is attached the mounting brackets(left, right and bottom) and is shipped from the factory.
You can mount the set on the rack with using these brackets.
1. Install the set into the rack.
2. Fasten four supplied screws through the left and right brackets' screw holes into the rack to fix the
set to it.
NOTE:
When making connections, take care that
none of the individual conductors of the
speaker cable come in contact with
adjacent terminals, with other speaker
cable conductors, or with the rear panel
and screws.
NEVER touch the speaker terminals when
the power is on. Doing so could result in
electric shocks.
Note on speaker impedance
When using speakers with an impedance
below the designated value (for example 4
Ω/ohms), playing for long periods of time
with the volume high could cause the
temperature to rise, activating the
protection circuit.
When the protection circuit is activated, the
output to the speakers is cut off and the
power indicator blinks. If this happens,
unplug the power cord, wait for the set to
cool off and improve ventilation around the
unit. Also check the wiring of the input
cables and the speaker cables. After doing
this, plug the power cord back in and turn
the unit’s power back on.
If the protection circuit is activated again
even though there are no problems with
the wiring or the ventilation around the unit,
switch off the power and contact a DENON
PROFESSIONAL service center.
Connecting the speaker cables
1. Loosen by turning
counterclockwise.
Either tightly twist or terminate
the core wires.
2. Insert the cable.
3. Tighten by turning
clockwise.
•When rack-mounting the unit, allow enough free space around the unit for normal ventilation. This
should be: 10 cm at the sides, 15 cm behind, and 30 cm above.
•For normal ventilation during use, remove the rear of the rack or open a ventilation hole.
•If the airflow is not adequate, the unit will heat up inside and may cause a fire.
•This unit has ventilation holes at the top, bottom, and rear to prevent the internal temperature
rising too high. Do not block them. Blocked ventilation holes are a fire hazard.
ENGLISH
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5
Connections Connections
Connecting the power cord
AC 120 V, 60 Hz
AC outlet
(wall)
Connecting to the AC OUTLETS
•SWITCHED :
The power supplies from the SWITCHED outlets
turns on and off together with the main unit's
POWER switch.
•UNSWITCHED :
The power always supplies from the
UNSWITCHED outlet unless the power cord is
unplugged.
• Make sure the total power consumption of the
connected devices does not exceed 120W(1A).
NOTE:
•Only use the AC OUTLETS for audio equipment.
Never use it for hair driers, TVs or other electrical
appliances.
•Insert the plugs securely. Incomplete
connections will result in the generation of noise.
Power cord
(included)
Connecting Recorders
Speaker
(A)
LRLR
Connecting Players and Speakers
Speaker
(B)
AUDIO OUT
Ground wire
•Only Turntables fitted with a
MM (Moving Magnet) cartridge
can be used with this unit. If
you have an MC (Moving Coil)
cartridge you will need to use a
commercially available head
amplifier or step-up transformer.
•If humming or other noise is
generated when the ground
wire is connected, disconnect it.
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