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Troubleshooting System Noise
When you mix and match high-performance audio components, each with its own
ground potential, a low frequency hum may occur in one or both loudspeakers. If this
happens when you place the KCT preamplifier into your system, follow these simple
troubleshooting steps.
1. Check that all input and output connections are of sound construction.
2. With the preamplifier off, remove the interconnect cables, then turn the preamplifier
on. If the hum disappears, turn the preamplifier off and reinsert one of the
interconnect cables. Turn the amplifier back on. Repeat this process for each cable.
3. If the hum reappears with one or both interconnect cables reinserted, the cable needs
to be replaced.
4. If the interconnect cables are sound, you may be experiencing a ground loop. Please
contact your authorized Krell dealer, distributor, or Krell for suggestions on how to
eliminate it.
Krell Current Tunnel
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