User manual FOCAL PROFILE IW 908 MOUNTING KIT

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FOCAL PROFILE IW 908 MOUNTING KIT: Download the complete user guide (557 Ko)

Manual abstract: user guide FOCAL PROFILE IW 908MOUNTING KIT

Detailed instructions for use are in the User's Guide.

[. . . ] Congratulations and thank you for your purchase of a Profile self-powered subwoofer. We are pleased to share our philosophy with you: "the Spirit of Sound". This high-performance subwoofer features the latest technical developments from Focal-JMlab in terms of speaker design and amplification, whether it is for hi-fi or home theatre systems. In order to make the most of this subwoofer, we recommend that this user manual be kept for future consultation. [. . . ] Frequency response linearity will then be compromised and sound rendition will be affected (lack of depth, "boomy sound", poor bass, difficult or impossible coupling with the other loudspeakers). If you put the Profile sub in a corner, the resonant frequencies of the room will be more linear and predictable. In such a configuration, you will not only benefit from an optimum perception of the bass frequency range but the bass level will also increase by 6dB (fig. If a particular disposition of the room does not allow placement of the subwoofer in a corner, we recommend that you try different configurations until you find the best possible sound. Generally, the subwoofer should be placed along the front wall of a listening room. As bass frequency waves are omni-directional, the sound dispersion will not be affected if a piece of furniture or an object is placed between the subwoofer and the listening area. It is then possible to hide the Profile behind a piece of furniture as long as the bass frequency dispersion is not affected. Magnetic disturbance The Profile generates a magnetic field that may interfere with other sensitive household appliances. It is strongly advised to not place the Profile closer than 50cm (20") to your TV screen. Frame geometry as well as colours can be severely distorted by a magnetic field if the loudspeaker is placed to close to the cathode ray tube. Generally, all sensitive media (audio tapes, video tapes, magnetic data storage, projector and CRTS overheadprojector) should not be placed close to any non-shielded loudspeaker. These choices will be conserved in the memory as "Hi-fi" and "Cinema". note 2: the menus on the "slave" subwoofers connected to the input "Digital" are partially deactivated. Only "Gain" and "Phase" are active on each subwoofer to allow easy adaptation to room acoustics. Low Pass Mode Active digital crossover, adjustable from 50 to 150Hz, 5Hz steps, 24dB/octave slope. set the frequency according to the characteristics and performance of the associated speakers. On stereo program, with speakers that already perform well in bass frequencies, choose a crossover value lower or equal to 80 Hz to give lower bass support without overloading the lower octave. In multi-channel mode, this value can rise (to 100 or 120Hz) to give more impact in the bass. Use a value higher or equal to 120Hz when the speakers are compact satellites with little bass performance. Note 1: the inactive mode (Off) can be chosen when the active filters of the amplifier are used. Note 2 : the active crossovers of the Profile subwoofer, due to their extreme precision, can work simultaneously with those of an AV amplifier. In this case, using simultaneously the crossovers, and set at the same frequency, the result is a sharp slope of 36dB/octave. [. . . ] Navigate through the phase values with the directional arrows until the bass of the subwoofer perfectly meets that of the loudspeakers. However, measuring instruments make for easy work, and are recommended: discuss this with your reseller. Note 2 : it is possible, whilst listening, to compare the position 0° and 180° (inverted phase) directly from the menu, without fine-tuning by steps. Gain Mode It is possible to assign a different gain (from -6dB to +6dB) according to either a music or cinema program that would benefit from a higher level. [. . . ]

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