Onkyo D-407F User's Manual
Contents
1. o Onkyo ete ONKYO CORPORATION Sales amp Product Planning Div 2 1 Nisshin cho Neyagawa shi OSAKA 572 8540 JAPAN Tel 072 831 8023 Fax 072 831 8124 ONKYO U S A CORPORATION 18 Park Way Upper Saddle River N J 07458 U S A Tel 201 785 2600 Fax 201 785 2650 http www onkyousa com ONKYO EUROPE ELECTRONICS GmbH Liegnitzerstrasse 6 82194 Groebenzell GERMANY Tel 49 8142 4401 0 Fax 49 8142 4401 555 http www onkyo net 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 ONKYO CHINA LIMITED Units 2102 2107 Metroplaza Tower I 223 Hing Fong Road Kwai Chung N T HONG KONG Tel 852 2429 3118 Fax 852 2428 9039 SN 29343896 C Copyright 2004 ONKYO CORPORATION Japan All rights reserved ONKYO HOMEPAGE http www onkyo com D0408 1 29343 89 62. Erin s ee gt ERSE HEY HAE Ta ERIRE gt AE Ac AIA UE EE 2 UE RE Tui MERK 4 mm RKI 15 mmh PiE ARER BRR CI eae ae
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8. ONKYO Speaker System Before using this unit En 2 Ct 2 Precaution on use En 2 Ct 2 Connection En 2 Ct 2 Mounting the stand attachment En 3 Ct 3 Placement En 3 Ct 3 Attaching and detaching the speaker grilles En 3 Ct 3 Instruction Manual he ete lee E02 en eh ank you for your purchase of the Onkyo speaker system ct 4 Please read this manual thoroughly before using it Following the instructions in this manual will enable you Speaker garg En 4 to obtain optimum performance and listening enjoyment BSS hte RE ct 4 from your new speaker system Please retain this manual for future reference Specifications En 4 ct 4 Onkyo Enj ct Before using this unit Connection The speaker cabinet is made of wood and is therefore sensitive to extreme temperatures and humidity Avoid placing the speaker systems in locat
9. an be affected even by the magnetism of the earth If a speaker system is used near them therefore discoloration or distortion of pictures will occur To allow use with color television sets etc this speaker system is provided with magnetic shielding Even so discoloration may still result depending on the installation environment If discoloration occurs turn off the power of the television set wait for 15 to 30 minutes and then turn it on again This activates the self demagnetizing function of the television set improving the display condition If discoloration persists even after performing this remedy move the speaker apart from the television set Discoloration may also be caused when a magnet or other magnetizing object exists near the television because of the combined effect Speaker care Your Onkyo speakers are finished with a high quality covering that serves to protect the wood speaker cabinet Wipe the cabinet periodically with a dry silicon embedded or plain soft cloth The covering may be cleaned with a soft cloth moistened with water and a mild soap Avoid the use of furniture polishes or harsh cleansers Use a soft brush or hand vacuum cleaner to remove dust and lint from the grille material Natural wood finished cabinets The cabinets are finished with a natural wood surface They have a unique wood grain pattern Your cabinets have their own raw beauty and uniqueness which is unlocked from the tr
10. e connecting or disconnecting cables 7 Howling when a microphone is used Do not place magnetic objects such as screwdrivers and iron parts near the tweeter since they use speakers with strong magnets Otherwise the objects may be attracted causing injury or damaging the diaphragm En 2 Turn the sound volume to the minimum and disconnect the power cord from the amplifier before connecting the speaker cables The nominal impedance of this speaker system is 6 Q Use only amplifiers capable of handling this impedance e Use the supplied speaker cables to connect between speaker s input terminals and the amplifiers speaker terminals as illustrated below Connect the speaker cables securely to the terminals with the core wires twisted properly In this case make sure that the core wires do not touch each other Note that a short circuit in core wires may result in damage to the amplifier Connecting to AV amplifier Strip off the end 2 Slacken the of plastic skin screw and thread and give a twist the core wire to the core wire deep enough into the hole 3 Hold the core wire tight by fastening the screw in the direction of an arrow gt gt fe Right hand side speaker R Channel Left hand side speaker L Channel Red cord side Red cord side Speaker terminals of the amplifier Before turning on the amplifier s power switch Make sure that the
11. ee this is depicted by the cross grain patterns with dark and light coloring You can enjoy Onkyo s craftsmanship not only when designing for the best sound quality but to assimilate natural blessings for the visual senses The paint and finishing work of the cabinets are conducted under the strictest quality control standards En 4 Type 2 way bass reflex Impedance 6Q Maximum input power 180 W Output sound pressure level 85 5 dB W m Frequency response 35 Hz 40 kHz Crossover frequency 3000 Hz Cabinet capacity 30 3 L Speaker woofer 13 cm A OMF cone x 2 Speaker tweeter 2 5 cm soft dome Dimensions 185 W x 930 H x 274 D mm Overall dimensions Weight 14 5 kg Accessory 2 5 m speaker cable x 1 Cork spacer x 4 Stand attachment x 1 Screw M4 x 35 mm x 2 Instruction manual Others Magnetic shielding Specifications and appearance are subject to change for improvement without prior notice In catalogs and on packaging the letter added to the end of the product name indicates the color of the D 407F Specifications and operation are the same regardless of color AV a E i eh e a
12. in diameter and 15mm long and then secure the cabinet to the wall etc with the cord or chain Cup hook about 4 mm in diameter and 15 mm long Secure the cabinet to the wall etc Durable cord or chain Exercise due care to install and secure the cabinet the sustainability of the screws may vary depending on the quality and or location of the wall where they are tightened You may want to consult with a professional installer D 407F Front speaker system The sound quality a speaker system reproduces varies greatly depending on the construction and area of the room where it is installed as well as the location and size of the furniture For better quality sound observe the following precautions e Avoid placing the speaker system on an elevated object such as on concrete blocks Instead place it on a rigid floor surface with minimal vibration Also note that high quality bass cannot be obtained if the speaker system is unstably positioned Generally speaking placing the speaker system on several small diameter supports results in better bass than placing it directly on the installation surface Moreover if you feel the bass reproduced by the system is too weak move the speaker system closer to the wall behind it You can thus control the strength of the reproduced bass by the position of the speakers e In many rooms the furniture and wall affect the reproduced sound quality For stereo sound reproduc
13. ions subjected to direct sunlight or in smoky or in humid places such as near an air conditioner humidifier bathroom or kitchen Doing so may result in damage to the speaker e Place the unit on a rigid level surface Placing it on a slanted surface or weak base not only may cause the unit to fall but also results in decreased sound quality Be sure to turn off your amplifier before connecting the speaker system Connecting them with the amplifier s power on may result in damage to the amplifier or the speaker system Keep water or other liquids away from the unit If water is spilled into the unit not only the unit but also the speakers themselves may be damaged Precaution on use This speaker system can handle the specified input power when it is used for ordinary music reproduction If the following abnormal signals are fed to the speaker however an overcurrent may flow in the internal circuits causing burning or breakage of the wires even if the input power is below the specified rating 1 Noise produced when FM station is not tuned in 2 Sound produced when fast forwarding cassette tape deck 3 High frequency sound generated by an oscillator an electronic musical instruments etc 4 Oscillating amplifier signals 5 Special test signals produced by audio checking CD etc 6 Sound produced when connecting or disconnecting audio connection cables Always turn off the amplifier s power befor
14. positive and negative speaker cables do not contact each other Otherwise a short circuit may occur causing damage to the amplifier Be sure to connect the speaker cables with correct polarity connect the speaker s positive and negative binding posts with the amplifiers corresponding speaker terminals Reversed polarity results in impaired bass range reproduction causing mislocalization of the sound image Also be sure to connect the Right and Left speakers with the amplifiers corresponding speaker terminals e Pull lightly on the speaker cables to ensure that they are connected firmly Mounting the stand attachment Placement A set of tip resistant accessories is included with shipment 300mm long stand attachment and M4 x 35mm screws Mount the stand attachment in the bottom of backside the cabinet using a screwdriver Backside of the speaker Screwdriver A Screws Stand attachment Caution e Allow for secure placement of the speaker the cabinet is very tall and tends to fall down under unstable conditions Do not place it on an unstable location such as shaky or sloping table platform or thick carpet Otherwise it could cause injury when dropping or falling e You can secure the cabinet to the wall etc by using a durable cord or chain along with cup hooks Find a hole on the either side of backside the cabinet and screw into each hole the cup hook of about 4mm
15. tion placing the Right and Left speakers in the same condition produces the best results If they are placed in extremely different conditions the Right and Left channel balance will be adversely affected e The ideal placement of the speaker system is as follows Imagine an equilateral triangle and position the Right and Left speakers on both ends of the base The ideal listening position is at or slightly to the rear of the triangle apex e Glazed doors or surrounding walls in front of the speaker system may cause the resonance of specific frequency ranges due to reflected sound To eliminate this resonance place some sound absorbing material such as a thick curtain in front of the doors or walls Attaching and detaching the speaker grilles This speaker system uses detachable grilles Use the following method to attach or detach the grilles 1 While holding the bottom edge of the speaker grille with your both hands pull it gently toward you to remove the bottom of the grille 2 In the same way gently pull the upper edge of the speaker grille toward you to remove it from the main unit 3 To replace the grill push the projections at the corners into the grille plug holes on the speaker cabinet Removal Replacement D 407F En 3 Use with a TV set Specifications In general Braun tubes used for color television sets etc are extremely sensitive and c
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