DaytonAudio B652 Посібник користувача - Сторінка 3

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Start with the speakers directly in front of your primary listening position. Avoid

hard vertical edges within 3 or 4 feet of either side of the cabinet. Position the

cabinets about 1-2 feet out from the wall. Listen to one of the selected recordings

paying close attention to the positions of the instruments and vocalist. Move the

speakers a few inches at a time, returning to the listening position to evaluate the

results. Once placement is optimized, the vocalist will be ﬁrmly positioned in front

of the instruments and the instruments will seem to be between or behind the

loudspeakers. During the design of most Dayton Audio speakers, performance is

optimized for listener location 10-12 feet in front of the tweeter. If possible, position

your speakers so that when you are seated in the primary listening position your

ears are 10-12 feet from the tweeter. Viewed from your seat, the angle between

the speakers should be 30 to 60 degrees. Pay special attention to the bass. The

relation between bass response and room position is critical. Tightly localized high

and low pressure spots result from reﬂections off the room boundaries. Moving

one or both of the loudspeakers just a few inches will rearrange thousands of hot

and dead spots all over the room. The secret to proper positioning is to keep the

worst of these spots from falling on the primary listening position. Position the

speakers so that the bass levels are in proper perspective to the rest of the musical

spectrum. Listen to several recordings so that you hear bass from a variety of

instruments. The most common positioning error involves getting the bass level

right for one note, but not for others.

Loudspeaker positioning can be time consuming, but the rewards justify the effort.

CABINET CARE

The ﬁnish of your speakers can be maintained and enhanced by periodic use

of a surface protection such as "ArmorAll". The grills may be vacuumed or gently

tapped or brushed to remove dust and debris.

POWER RATINGS

Almost any speaker can be used successfully with almost any ampliﬁer.

Conversely, almost any speaker can be damaged by almost any ampliﬁer,

despite either unit's power rating. The power recommendations that we publish

are accurate only if our assumptions concerning the ampliﬁer, the type of music,

and the conditions of use are correct. Most importantly we assume that the

volume never is set above the point of distortion. Distortion is an indication that

the ampliﬁer or loudspeaker is operating beyond its design limits. If you hear

distortion, immediately reduce the volume. Damage can occur within seconds.

Do not ignore distortion just because the volume control is not all the way up. A

common misconception exists that ampliﬁer power is proportional to the setting of

the volume control with maximum setting necessary for full power output. This is

rarely the case. Most ampliﬁers deliver full power when the volume control is set

somewhere in the middle of its range. Use of loudness, bass boost, treble boost,

or an equalizer can produce full output at even lower knob settings. Distortion is

the only clue that damage is imminent.

Dayton Audio loudspeakers are designed to reproduce music and speech in

a home environment at moderate volume levels. When used within their limits

Dayton Audio loudspeakers will provide many years of trouble free performance.