Speaker Distance; Left, Right; Center, Center2; L Surr, R Surr - Krell Industries EVOLUTION 707 Owner's Reference Manual

Reference surround sound preamp / processor

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Speaker Distance – Deﬁ nes the distance to each speaker in the surround sound system from the

listening position. Each Speaker can be adjusted from 0 feet to 30 feet in .5 foot increments for

proper arrival of sound information to the listening position. The default values are set to 0.0 feet,

speakers labeled N/A have not been enabled in the listening room setup and are inactive.

LEFT, RIGHT - Speaker channels positioned front Left and front Right respective to the

listening position. Left and right are required for a 5.1 or 7.1 surround system.

CENTER1, CENTER2 - Speaker channels positioned front Center respective to the listening

position. For large rooms 2 center channels can be utilized. Typically a center channel is

positioned above or below the video screen. For really large rooms with large screens,

centers can also be placed side by side to increase the center image width and increase

output. They also are placed above and below for additional output in large rooms. The

center channel is required for a 5.1 or 7.1 surround system.

L SURR, R SURR - Speaker channels positioned to the Left and Right midway into the

room respective to the listening position. They can also be placed further back or behind

the listening position in 5.1 systems. Surround channels are required for a 5.1 or 7.1

surround system.

L BACK, R BACK - Speaker channels positioned to the Left and Right behind the listening

position respectively. Rear Surround channels are required for a 7.1 surround system.

SUB1, SUB2, SUB3, SUB4 - Speaker channel (s) speciﬁ cally utilized for LFE (Low

Frequency Effects) information. The Evolution 707 can accommodate up to 4 separate

subwoofers. This can be very effective in the creation of life like surround presentation.

subwoofers are the .1 in a 5.1 or 7.1 surround system. The LFE channel is speciﬁ cally

developed to carry Low frequency energy and effects in this frequency range. In a

traditional surround system the .1 or LFE channel will not have a lot of musical information.

The 707 can route low frequency musical information to the subwoofers as well as the LFE

information. With multiple subwoofers the signal can have a dedicated LFE channel and a

dedicated low frequency speaker.

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