Speck-electronics X.Sum User Manual download pdf (Page 23)

The following information is not specific to the operation of the X.Sum, but

rather general information regarding the “care and feeding” of an audio

system.

A general discussion about AC, AC grounding, audio grounding, EMI, and

quality wiring is discussed in this section. These subjects are very often

overlooked or misunderstood, and should be given consideration when

interfacing your equipment to any audio product.

When you are evaluating voltage and current requirements for your audio

system, it is important that your X.Sum and/or audio system does not exceed

the capacity of your AC service. You should make certain that the earth

(green) wire for the AC system makes a reliable earth connection, and

determine as best as possible that the AC system is free of noise that could

generate unwanted audible sounds or cause problems in microprocessor based

equipment.

When using a larger studio system it is recommended that a dedicated and

isolated AC service be provided. This service should have its own AC wires,

isolated receptacle, and breaker and not be shared with other unrelated

equipment.

Even with an isolated AC system, it may still be necessary to make use of

surge protectors, line filters, isolation transformers, or all of the above. Power

conditioners should be selected with care, since they sometimes generate

undesirable switching noises in audio systems.

When connecting many pieces of electronic equipment to an AC system it is

important that the AC is properly distributed. It is better to connect all plugs

to a common AC source than to have AC receptacles in different locations.

When installing a large audio system, it may be necessary to consult a

qualified electrician that is familiar with the specialized style of electrical

wiring required for recording studios.

Chapter 4 Wiring and Other 19

General

AC Distribution

and Safety

Proper AC grounding

Quality AC system

AC distribution

Wiring & Other

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Speck-electronics X.Sum User Manual Page 23