Manual do usuário Pro-Ject Bach

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4. March 2004
CABINETS

Our speaker designs feature massive and inert cabinet
construction. Vienna Acoustics cabinets are designed with the
latest computer modelling techniques and use a combination
of amorphous materials in order to ensure that they are both
stiff and well damped. Additionally, our designs feature narrow
front baffles in order to promote accurate imaging. The
combination of precise build construction using furniture grade
finishing techniques and com

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crossover design, we are better able to control the many variables that can be negatively affected by poorly executed bi-wiring choices. The result for you is consistently superior musical reproduction. CABLING We encourage and recommend the use of high quality speaker cables and believe them to be an important tool for the enthusiast in obtaining maximum enjoyment from their music reproduction system. High quality cabling is a significant tool in the finetuning of a system for pe

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correlation to either sound quality or drive capability the user is cautioned that amplifiers of low wattage ratings, when stressed beyond their limits will produce audible amounts of distortion. This distortion can and will damage loudspeaker components and will not be covered by warranty. BURNING OR BREAKING IN NEW LOUDSPEAKERS Your loudspeakers contain a large number of precision built moving parts. These parts require playing time initially to develop their maximum smoothness

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rear wall may boost the middle bass frequencies and rob the speaker of some transparency and precision. In general, it is best to avoid corner placement of loudspeakers since the bass tends to become exaggerated and corners rarely are an optimal placement for image quality. NEAR WALL POSITIONING Many people will simply find it undesirable or disruptive to place speakers in "free space", that is well away from the back wall. Vienna Acoustics loudspeakers may be set-up close

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Toe-In: In an ideal room, the speakers may be set-up so that the speakers fire directly forward. For the rest of us, some degree of toe-in, that is rotating the speakers cabinets until they point at the listener is desirable. Toe-in reduces sidewall reflections of the mid and upper frequencies. Though one might reasonably conclude that aiming a speaker at the listener would result in a brighter sound, this is actually NOT the case. Toeing a speaker inward will result in a smoother, warme

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OPTIONAL SANDFILLING Some of our floorstanding models feature an additional hidden chamber accessible through the base that may be sand filled for the final touch in system tuning. Sand filling is an easy and cheap way to improve the reproduction of the bass range. It raises the weight and stability of the system and quiets the enclosures throughout a remarkable damping effect. To fill in the sand, put the speaker on the top on a soft cloth to protect the cabinet. Then fill in the