Instruction d'utilisation Genelec 7050B

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Operating Manual
7050B
Genelec 7050B
Active Subwoofer

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Genelec 7050B Active Subwoofer General description bands between the subwoofer and main loud- Audio connections are made with bal- Genelec 7050B active subwoofer is a speakers. Due to this and the input sensitivity anced XLR cables. The 7050B has IN/OUT very compact low frequency loudspeaker, of the 7050B subwoofer, it can only be used connector pairs for five main channels and designed to extend the bass reproduction of with Genelec 8020A, 8030A, 8130A, 1029A, a dedicated LFE input connector

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Figure 2. XLR to RCA connector for unbalanced operation. Figure 3. Recommended distances to Figure 1. 7050B's amplifier panel, connectors and controls. the front wall .1 output channel of a 5.1-channel discrete placing them at least 110 cm / 43" away from any objects to ensure proper functioning of surround sound source. the front wall (see Figure 2). the reflex port. Once all connections have been made, the If the frequency balance does not seem Flush mounting the subwoofer subwoofer and ma

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Subwoofer placement Bass Roll-Off setting Near to a wall -2 dB In a corner -6 dB Flush mounted -2 dB Table 1. Suggested Bass Roll-Off settings Phase Difference: 0° Phase Difference: 90° 85 Hz 85 Hz Phase Difference: 180° Phase Difference: 270° 85 Hz 85 Hz Figure 5. Flush mounting the subwoofer. Note the clearance needed on the reflex Figure 4. The effect of phase difference between the subwoofer and the main loudspeakers port side. a drop in the frequency response of the to the position whic

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the main channels when mixing music and Do not obstruct airflow around the sound effects for film release. subwoofer. In Dolby Digital and DTS encoding formats • Note that the amplifier is not completely the LFE channel has to be monitored with disconnected from the AC mains service +10 dB gain in relation to the main channels. unless the mains power cord is removed The object is to increase the recording head- from the amplifier or the mains outlet. room of the LFE channel. Consumer and

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7050B Operating Manual SYSTEM SPECIFICATIONS AMPLIFIER SECTION 7050B 7050B Free field frequency response (± 3 dB) 25 Hz...85 Hz Amplifier short term output power 70 W LFE 85/120 Hz (Long term output power is limited by driver unit protection circuitry) Maximum short term sine wave SPL output 100 dB averaged from 30 to 85 Hz, measured in half Amplifier system THD at nominal output ≤ 0.08 % space at 1 meter Mains voltage 100, 120 or 230 V Self generated noise level in half space at 1 m ≤ 15 dB P