D-112E - Onkyo | Europe
D-112E
2-WAY, BASS REFLEX SPEAKERS
Capable Speakers that Make a World of Difference to Home Audio
Following in the footsteps of Onkyo’s series of bass reflex speakers—praised by the media throughout the E.U. and promoted in Japan as
being designed for European sensibilities—the D-112E 2-way, bass reflex speakers are poised to contribute to this impressive legacy. Even
though these speakers stand no taller than bookshelf speakers, don’t be deceived. These speakers are built to partner high-quality separate
components, and they will ably support advanced audio formats like Super Audio CD and DVD Audio. Also, like those before them, the D-112E
speakers’ wide piston motion range and transparency give them an audio quality not often found in a speaker of this size.
A-OMF Monocoque Diaphragm Supporting Wide Piston Motion Range
As the latest development in Onkyo Micro Fiber (OMF) for woofer diaphragms,
A-OMF Monocoque forms one continuous cover from the center cap over the
whole diaphragm’s surface. Like Advanced Onkyo Micro fiber (A-OMF), A-OMF
Monocoque comprises three layers: an outer polyethylene naphthalate (PEN)
layer, an inner aramid layer, and a flexible cotton weave layer between the
two. The PEN has a twill (textile weave) that enables the fiber’s weight to be
reduced by 30%. By forming one continuous layer over the surface off the
diaphragm woofer, A-OMF Monocoque helps prevent breakup (occurring when
the cone flexes instead of moves as a perfect piston). Essentially, the fiber is
an integral part of the woofer unit, and it serves as a perfect complement to
the woofer unit’s wider piston motion range.
Highly Responsive Ring-Drive Tweeter to Prevent Breakup
The D-112E uses a “balanced drive” construction where the driving force
extends from a ring-shaped diaphragm (outer diameter of 30 mm and inner
diameter of 18 mm) and voice coil (25 mm) to provide the shortest possible
driving force “span” to the edge of the diaphragm. This design is a result of
our objective to take the control of breakup to its limits. The piston motion of
this tweeter enables it to reach the higher end of the frequency range (around
20 kHz) with no sign of breakup. Then, with the tweeter’s equalizer, it is possible
to get a flat frequency response out to 100 kHz. The whole tweeter unit works
to prevent any necessary vibration and to completely remove any noise.
High Quality Network Circuit with S.G.L. (Steady Ground Level)
To contribute to the quality of this highly effective unit, we have focused heavily
on our S.G.L. (Steady Ground Level) circuit. With a ground potential that is free
of any fluctuations, it is possible to generate high-quality audio playback.
Furthermore, we use a high-quality, German-made WIMA film capacitor that
contributes to overall sound quality. We have also incorporated gold-plated,
banana plug-compatible speaker posts that are capable of firmly securing topquality cables. All parts serve to get the most direct signal input transmission
from component to speakers.
Aero Acoustic Drive to Cut Off High Frequency Interference
Poorly designed bass reflex speakers will be affected by membrane overshoot
and poor transient response behavior. With any vented design, the size and
placement of the duct is crucial in ensuring that the woofer’s rear-firing and
front-firing waves are both in phase. Through its own research of different duct
shapes, Onkyo has developed a long, narrow duct—called the Aero Acoustic
Drive—that has been proven to be more effective than a circular duct in
separating low and high frequency sounds. The bottom duct is separated from
the cabinet to further reduce cabinet vibrations. The end result is a more natural,
precise sound output.
Solid, Stylish Cabinet with Resonance and Balanced Control
Top-line speakers should not be simply evaluated on power. We should also
pay special attention to the materials used in the speaker construction to give
resonance and balanced control. This is a major consideration in the design of
the D-112E speakers. Furthermore, the speakers include small but purposeful
design improvements, like a rounded MDF baffle that prevents the diffraction
of sounds within the cabinet. With minor adjustments, it has been possible to
remove even the most minute elements of noise, which all add up to give this
speaker a completeness in sound. The speaker is finished in matt black, and it
also has real wood panels on the side. While keeping with its focus on detail,
the D-112E’s stylish design is a suitable finish to this speaker’s spacious,
transparent sound.
D-112E
2-WAY, BASS REFLEX SPEAKERS
Woofer with heavy-duty voice coil and A-OMF Monocoque diaphragm
Ring-drive tweeter construction
Horn and equalizer
Ring-drive diaphragm
Voice coil
Main magnet
Cancel magnet
Gold-plated, banana plug-compatible speaker posts
Features
SPECIFICATIONS
Speaker Type ......................................................... 2-Way, Bass Reflex
Drivers
Woofer ................................................................... 10 cm A-OMF Monocoque diaphragm
Tweeter................................................................... 3 cm Ring-Drive
Frequency Response............................................. 50 Hz-100 kHz
Crossover Frequency ............................................ 2.5 kHz
Output Sound Pressure Level .............................. 82 dB/W/m
Max. Input Power .................................................. 120 W
Nominal Impedance .............................................. 4 Ω
Cabinet Capacity ................................................... 4.2 liters
Dimensions (W x H x D) ....................................... 156 x 249 x 221 mm
Weight ..................................................................... 4.1 kg
We control the discharge of harmful waste in production of the A-OMF Monocoque diaphragm.
Due to a policy of continuous product improvement, Onkyo reserves the right to change specifications and appearance without notice. OMF is a trademark of Onkyo Corporation.
Onkyo Corporation 2-1 Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN Tel: +81-72-831-8136 Fax: +81-72-833-5222 http://www.onkyo.com/
Onkyo Europe Electronics GmbH Liegnitzerstrasse 6, 82194 Grobenzell, GERMANY Tel: +49-8142-4401-0 Fax: +49-8142-4401-555 http://www.eu.onkyo.com/
Onkyo Europe UK Office Suite 1 Gregories Court, Gregories Road, Beaconsfield, Buckinghamshire HP9 1HQ, UNITED KINGDOM Tel: +44(0)1494-681515 Fax: +44(0)1494-680452 http://www.onkyo.co.uk
NPR No. 06N13 04/06 Printed in Japan
• New, improved 10-cm A-OMF Monocoque diaphragm to support wider
piston motion range
• Highly responsive 3-cm ring-drive tweeter to prevent breakup
• Heavy-duty 3.8-cm voice coil for woofer
• 100 kHz frequency response for Super Audio CD and DVD Audio
• V-Line Edge to remove unnecessary sounds from the diaphragm’s surface
• Aero Acoustic Drive to cut off low and high frequency interference
• High-quality network circuit with S.G.L. (Steady Ground Level)
• Solid, stylish cabinet with resonance and balanced control
• Magnetically shielded
• Gold-plated, banana plug-compatible speaker posts
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