Conrad-Johnson ET7 Panduan Pemilik - Halaman 5

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Installation

Set Up

To maintain proper ventilation, mount the ET7 horizontally on a flat,

hard surface, and take care that the ventilation holes in the bottom

are unobstructed. Allow at least two inches of clearance above the

unit and keep the cabinet or shelf open at the back.

All ET7s sold in the United States are configured for operation on a

60Hz ac power line producing between 108 and 126 volts. Export

versions of the ET7 will have the correct operating voltage and

frequency clearly marked on the back panel of the unit, near the ac

power cord. In all cases, the actual line voltage should be within +

5/- 10% of the nominal rated voltage.

Electromagnetic Interference (EMI)

Considerable care has been taken in the design of the ET7 to

minimize its susceptibility to radio frequency interference and other

forms of EMI. Choice of materials, physical layout, grounding

practice, and power supply design have all been specified with a

view to reducing the impact of electromagnetic fields on the

performance of this unit. At the same time, however, our primary

goal is the accurate reproduction of recorded music in the normal

home environment, and we have elected not to compromise this

objective by the application of heavy-handed RFI filters, or by using

grounding practices that reduce RFI at the expense of degraded

audio performance. We find that the approach we have taken has

worked extremely well, resulting in only rare instances of EMI

problems which could be treated locally as needed, rather than

compromising the performance of our product in the 99.9% of

installations where EMI is not a problem.

Care in installation can often avoid EMI induced problems. The

following

application, and will be especially important where EMI may be a

problem.

Interconnect cables should be kept as short as possible (3 meters

or less), and shielded cable should be used (cable which has two

center conductors, and a separate external shield connected at

only one end).

Conrad-Johnson ET7 Owner's Manual

practices should generally be observed in any