Denon S-81 Brochure & Specs page 2

S-81
Large 12-cm woofer unit with D.D.L. (Denon Double Layer) cone
The newly-developed D.D.L. (Denon Double Layer) cone has been used for the
woofer diaphragm. This dual-layer diaphragm whose structure is the result of
meticulous simulations is both highly rigid and light-
weight and achieves a precision piston motion
across the entire sonic spectrum. The ingenious
structural design ensures that sympathetic vibration
from the edge do not adversely affect the audio
characteristics but deliver the best possible quality
in sound. Improvements in top-bottom symmetry in
magnetic flux distribution and other areas, together
with the magnetic circuit of advanced design, bring
out a deeply impressive strength of expression.
Soft-dome tweeter
The tweeter features a 2.5-cm soft-dome diaphragm. Designed to achieve flat
radiation impedance following a rigorous regimen of tests, the shape of the frame
helps to produce a supple sound. A highly-magnetic, low-distortion neodium
magnet has been used in the magnetic circuitry.
Cabinet design
Metal powder has been mixed in the speaker cabinet walls to ensure that the
cabinet is not only highly rigid but also suppresses unwanted vibration. Along with
enhancing the S-81's overall sense of design, the gentle shape of the cabinet
contributes to a sense of presence as a Hi-Fi speaker. The speakers can be set up
vertically or horizontally according to the installation of the stand, or they can be
mounted on a wall using the supplied brackets. The S-81's speakers offer
considerable flexibility for system set-up.
Main Specifications
Amplifier Section
Max. effective output Front channels: 50W + 50W
Input sensitivity/impedance 320 mV/47 kohms
S/N ratio 92 dB
Tuner Section
Reception frequencies FM: 87.5 - 107.9 MHz
AM: 520 - 1710 kHz
Reception sensitivity FM: 1.5 µV/75ohms (14.7 dBf)
AM: 20 µV
Preset memory Max. 60 stations
CD Section
Supported media CD-DA, CD-R/RW*
*Some discs may not be playable due to poor writing conditions or other factors.
Speaker Section
Format 2 speakers, 2-way; bass reflex
Design; antimagnetic
Units 12-cm cone woofer x 1,
2.5-cm soft-dome tweeter x 1
Max. allowable input 60W (IEC), 120W (Peak)
Impedance 4 ohms
*Design and specifications are subject to change without notice.
*'DOLBY' and the double-D symbol are registered trademarks of Dolby laboratories Licensing Corporation
*"WMA"(Windows Media Audio) is a audio codec developed by Microsoft® in the United States of America.
* "Windows Media™" , "Windows®" are trademarks of Microsoft Corporation, Inc.
*iPod is a trademark of Apple Computer, Inc., registered in the U.S. and other countries.
*©2006 XM Satellite Radio Inc. All rights reserved.
Denon Electronics (USA), LLC.
100 Corporate Drive Mahwah, New Jersey 07430 USA
TEL: 201-762-6500 usa.denon.com
Denon Canada Inc.
505 Apple Creek Blvd, Unit 5, Markham, Ontario, Canada L3R 5B1
TEL: 905-475-4085 ca.denon.com
(4 ohms, 1 kHz, T.H.D. 10%)
Speaker cables with one-touch jacks and color coding for easy connection
The connectors on the speaker cables and the speaker terminals on the amp have
been color coded-white for the Left channel and red for the Right-to simplify system
set-up. The one-touch jacks on the cables make the connection process a snap.
Antimagnetic design
General
Power supply AC 120V, 60 Hz
Power consumption 45W
(Standby: 0.2W in the low-power standby mode)
Dimensions
Main unit 380 (W) x 97 (H) x 265 (D) mm
(14-61/64"" x 3-13/16" x 10-7/16")
Speakers 150 (W) x 269 (H) x 190 (D) mm
(5-29/32" x 10-19/32" x 7-31/64")
230 (W) x 178 (H) x 200 (D) mm
(9-2/32" x 7" x 7-28/32")
(Horizontal set-up incl. stand)
Weight Main unit: 4.1 kg (9 lbs 0.6 oz)
Speakers: 3.1 kg each (6 lbs 13.4 oz)
Accessories Remote control unit x 1, AA battery x 2,
Speaker cable (approx. 5 m) x 2,
iPod cable (approx. 1 m) x 1,
AM loop antenna x 1, FM antenna x 1,
Wall-mount bracket x 2,
Screw (for wall mount) x 4,
Hexagonal wrench x 1
Denon Brand Company
D&M Building, 2-1 Nisshin-cho, Kawasaki-ku, Kawasaki-shi,
Kanagawa, 210-8569, Japan
www.denon.com
(Incl. feet, knobs, etc.)
(Vertical set-up incl. stand)
16600706 A