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Onkyo D-055 User Manual

Onkyo D-055
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The two speakers are identical, so it doesn’t matter which one you use on
the left or right.
TVs and computer monitors are magnetically sensitive devices and as such
are likely to suffer from discoloration or picture distortion when
conventional speakers are placed nearby. Note that discoloration can also
be caused by a magnet or demagnetizing tool that’s too close to your TV or
monitor.
Before connecting the speakers, disconnect your amplifier’s power cord
from the wall outlet and set its volume control to minimum.
The speaker’s rated impedance is 4 . Make sure you connect an
amplifier that is compatible with a 4 impedance.
Use the supplied speaker cables to connect the speakers to your amplifier
as shown.
The type of speaker terminals used on the receiver and their position
depends on the model. Refer to the receiver’s instruction manual for details
on connecting speakers to the receiver.
Make sure the speaker’s positive (+) terminals are
connected to the amplifier’s positive (+) terminals, and
the speaker’s negative (–) terminals are connected to
the amplifier’s negative (–) terminals.
Make sure that the positive (+) and negative (–) wires
are not touching each other. If they are, a short circuit
may occur, damaging your amplifier.
To maintain the appearance of the speakers, you should periodically wipe
them with a soft, dry cloth. Do not use abrasive cloths, thinners, alcohol, or
other solvents that may damage the finish.
Type: 2-way bass reflex
Impedance: 4
Maximum input power: 70 W
Output sound pressure level:
83 dB/W/m
Frequency response: 55 Hz–35 kHz
Crossover frequency: 2.5 kHz
Cabinet capacity: 5.7
Dimensions (W × H × D): 154 × 245 × 258 mm
(incl. grille and projection)
Weight: 3.6 kg
Speakers Woofer: 12 cm N-OMF cone type
Tweeter: 2.5 cm Soft Dome type
Terminal: Binding post (Banana type supported)
Grille: Detachable
Accessories: 1.8 meter speaker cable × 2
Cork spacer × 8
Other: Non-magnetic shielding
Specifications and appearance are subject to change for improvement without prior
notice.
Before Using Your New Speakers
The speaker cabinets are made out of wood and are therefore
sensitive to extreme temperatures and humidity. Do not use
them in locations subject to direct sunlight or in humid places,
such as near an air conditioner, humidifier, bathroom, or
kitchen.
Place the speakers on sturdy, flat surfaces. Putting them on
uneven or unstable surfaces where they may fall and cause
damage will affect the sound quality.
Do not keep water or other liquids close to the speakers. If a
liquid is spilled over them, the woofer and tweeter inside may be
damaged.
Do not handle the speakers with wet or damp hands.
In catalogs and on packaging, the letter at the end of the product name
indicates the color. Specifications and operation are the same regardless
of the color.
The speakers can handle the specified input power when used for normal
music reproduction. If they’re fed any of the following signals, even if the
input power is within the specified rating, excessive current may flow in
the speaker coils, causing burning or wire breakage:
1. Interstation noise from an untuned FM radio.
2. Audio from a cassette that’s being fast-forwarded.
3. High-pitched sounds generated by an oscillator, electronic musical
instrument, and so on.
4. Amplifier oscillation.
5. Special test tones from audio test CDs and so on.
6. Thumps and clicks caused by connecting or disconnecting audio cables
(always turn off your amplifier before connecting or disconnecting
cables).
7. Microphone feedback.
The speakers contain powerful magnets. Do not put metal items, such as
screwdrivers, close to the speakers, as they damage to the tweeter
diaphragm.
Getting to Know the Speakers
Using Close to a TV or Computer
Removing the Grilles Using the Cork Spacers
Precautions
Grille
attachment
catcher
Grille
Tweeter
Cabinet
Woofer
Remove
Replace
Bottom
Cork spacer
Connecting the Speakers
Care
Specifications
1. Peel the
insulation off
the ends of the
speaker cable
and twist the
core wires.
Right speaker
2. Loosen the terminal
screw and insert the
speaker cable into the
hole (until the core
wires are inserted
fully).
3. Fasten the
terminal
screw.
Left speaker
Positive (+) side is
indicated by a red line
Speaker cable

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Onkyo D-055 Specifications

General IconGeneral
Bass reflexYes
Product colorBlack
Recommended usageSpeaker set unit
Suitable for outdoor use-
Speaker type2-way
Woofer diameter120 mm
Tweeter diameter25 mm
Speaker placementFloor, Tabletop/bookshelf
Audio output channels1.0 channels
Impedance4 Ω
Sensitivity83 dB
Frequency range55 - 35000 Hz
RMS rated power70 W
Crossover frequency2500 Hz
Connectivity technologyWired
Weight and Dimensions IconWeight and Dimensions
Depth258 mm
Width154 mm
Height245 mm
Weight3600 g

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