Krell Industries KRC-HR manual Questions And Answers

QUESTIONS AND ANSWERS

Q. When I turn up the volume on the KRC-HR, a loud hum is present from the

loudspeakers. What could this be?

Ao Hum can be caused by several different disturbances. Check to make sure that all of the cables, (in and out of the KRC-HR) are sound and making

proper contact. Make sure that there are no power supplies or hum inducing components on top of or directly below the KRC-HR.

You could also be experiencing a ground loop in the system. Put a 3-prong to 2-prong AC adaptor, (cheater plug), on the KRC-HRpower cord. The hum

should go away. You may also need to float ground on other system components, if the hum remains. Please contact your dealer or the product

manufacturer before a non-KRELL component's ground is lifted. Remember

to always keep at least one component grounded. If these suggestions do not lead to a solution, please consult your dealer or KRELL.

Q. Can the KRC-HRbe used to control more than one system?

A. Yes, the KRC-HRhas both single-ended and balanced outputs that can be

used simultaneously to control two different systems, but both systems will play from the same input, at identical volume settings.

Q. When I select the B-1 input on the KRC-HR,one channel seems to have less gain than the other. Is something wrong with the preamp?

A. Probably not. The balanced input or output internal cable terminals could

be attached incorrectly. Locate the channel that appears to have less gain. Switch the cable connected to that channel's input to the other channel and vice versa, to determine whether a cable is defective. If there is no difference in level, do the same thing at the output of the KRC-HR.If the problem is not the cable, check to make sure that the input and output connections

are connected at the correct locations on the preamp. There should be no

LEDs illuminated in the Balance control section of the front panel (indicating a level imbalance).

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