User manual ONKYO D-325

[. . . ] Interstation noise from an untuned FM radio. Audio from a cassette that's being fast-forwarded. High-pitched sounds generated by an oscillator, electronic musical instrument, and so on. Special test tones from audio test CDs and so on. [. . . ] To prevent this, position the speakers away from your TV or monitor. Removing the Speaker Grilles You can use the speakers either with or without their grilles, which can be removed as follows. Use both hands to gently pull the bottom of the grille away from the speaker. Use both hands to gently pull the top of the grille away from the speaker. To replace the grille, align the four fasteners and gently push the grille toward the speaker. · 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. D-525/D-425 2. Loosen the 1. Peel the terminal screw insulation off and insert the the ends of speaker cable the speaker into the hole cable and (until the core twist the wires are core wires. Right speaker Positive (+) side is indicated by a red line 3. Fasten the terminal screw. Left speaker Speaker cable Remove Replace 2 D-325 1. Peel the insulation off the ends of the speaker cable and twist the core wires. While pressing the lever, insert the wire into the hole, and then release the lever. Make sure that the terminals are gripping the bare wires, not the insulation. Right speaker Positive (+) side is indicated by a red line Left speaker Speaker Placement The sound quality of the speakers is directly affected by the size and shape of the room they're used in and its furnishings. When considering where to place your speakers, read the following: · Where possible, mount the speakers on speaker stands, concrete blocks, bricks, or a sturdy bookshelf. Putting them directly on the floor will emphasize bass sounds, creating a boomy sound. · If a speaker is placed on an uneven surface where it can wobble or vibrate, bass performance will be adversely affected. You can eliminate speaker wobble by putting a shim made out of cork or metal, such as a coin, underneath the speaker or stand, as shown. Speaker cable Shim 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. [. . . ] You can prevent this by hanging sound-absorbing material, such as thick curtain, on the door or wall. Care To maintain the appearance of the speakers, you should periodically wipe them with a soft, dry cloth. Stubborn stains can be removed by using a soft cloth dampened with water and a mild detergent. Dry the speakers immediately afterward with a clean, dry cloth. Do not use abrasive cloths, thinners, alcohol, or other chemical solvents that may damage the finish. 3 Specifications D-525/425 Type: Impedance: Maximum input power: Output sound pressure level: Frequency response: Crossover frequency: Cabinet capacity: Dimensions (W × H × D): Weight: Speakers Terminal: Grille: Accessories: Others: 2-way bass reflex 4 70 W 83 dB/W/m 50 Hz­100 kHz 6 kHz 7. 9 160 × 275. 5 × 272. 5 mm (incl. [. . . ]