Owner's Manual
4826 Sterling Drive, Boulder, CO 80301 Troubleshooting
PH: 720.406.8946 support@psaudio.com www.psaudio.com 15-070-01-1
Rev B
Troubleshooting
©2021 PS Audio Inc. All rights reserved.
®
Owner’s Reference BHK Signature Ampliers
VCR’s, surround processors, and any device that is connected to a television cable or satellite dish
can cause a loud buzz and should always be suspect. If, by the process of elimination described
above, you determine it is a component like a cable TV box that is causing the hum/buzz to occur,
and using a cheater plug doesn’t help matters, it may be necessary to isolate the cable connection
(CATV) with an isolation transformer. This inexpensive device is available at most Wal Mart, Radio
Shack or department store type outlets and is sometimes called a ‘matching transformer’. If you
have problems nding one, call your local cable TV company for advice. The matching transformer
will be placed between the cable TV cord and the cable box, TV or processor.
Just remember, take the system down to its simplest level of connection. Find a way to hook the
system up with as many pieces of the system not connected as possible. Keep it simple and get
it to the point where the hum’s gone. Then start adding back components one at a time until the
hum returns.
Finding the problem is 9/10th of the work in nding a solution.
It may be that you have the polarity of the amplier loudspeaker connection wrong on one channel.
When out of phase, polarity, will cause bass cancellation and should be avoided. Check to make
sure the red terminal on the BHK goes to the red terminal on your loudspeaker.
The system
has no bass
It may be
something
unrelated causing
the hum
10