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Genelec 7270A

USING THE 7260A, 7270A AND 7271A IN STAND-ALONE MODE

When the subwoofers are not connected to the Genelec loudspeaker control network, they operate in stand-alone mode and only the functions actuated by the controls on the connector panel can be used.

However, the settings made with the Genelec Loudspeaker Manager software can be saved into each subwoofer and applied even when the network is disconnected by setting switch 1 “STORED/MANUAL CONTROL” on switch group 2 of each loudspeaker to position “STORED”.

Surround System with Subwoofer (AES/EBU Single-Wire)

This setup uses four AES/EBU cables to carry “7.1-audio”. “7.1” refers to seven full-bandwidth audio channels and an LFE channel. All cables run to the subwoofer first, then from the subwoofer to the seven loudspeakers. In this system there are five loudspeakers in the front (Left Front, Center Front, Right Front, Left Front Extra, and Right Front Extra), two loudspeakers in the rear (Left Rear and Right Rear), and the LFE Low Frequency Effects channel reproduced by the subwoofer

Stereo Pair with a Subwoofer (AES/EBU Dual-Wire)

This setup has two AES/EBU cables. Each carries one audio channel. This mode assumes the source uses the Dual-wire mode of transmission. In this mode the AES/EBU interface is operating at double speed (96 kHz) but consecutive audio samples use both subframes, resulting in quad sample rate (192 kHz).

Run two AES/EBU cables from the source to the subwoofer AES/EBU Inputs 1 and 2. Run two audio cables from the subwoofer AES/EBU outputs 1 and 2 to the digital audio inputs of the left and right loudspeakers. The correct sub frame must be selected in each loudspeaker.

Positioning the subwoofer in the room

The placement of the subwoofer in the room affects the overall frequency response and sound level of the system dramatically, as at low frequencies the effects of the room are strong. Even a slight change in the subwoofer’s location can make a marked difference in the frequency balance and often patient and methodical experimentation and testing is needed to find the optimum placement.

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