New product information from bhi
GroundBreaker
Audio isolation transformer units
A simple solution to RFI and ground loop audio breakthrough problems!
RF breakthrough and earth loop current issues tend to happen when a transceiver is
in transmit mode (keyed). You will hear a buzz or your own distorted voice coming
out of the audio. The two main reasons are a poorly matched antenna which results
in RF being reflected back into the radio room or a difference in ground currents
between pieces of equipment. RFI issues are usually caused by reflected waves
coming back down the outside of the coax whilst earth loop problems are usually
caused when the same power supply for the radio and “add-on” audio equipment is
being used. The bhi GroundBreaker is a quick and easy solution for this issue as it
isolates the grounds of your external audio equipment from those of the radio system
and prevents ground loops and associated RFI problems from getting into your
audio. The bhi GroundBreaker is easy to install and simply fits in between your
radio and audio equipment. Connections are 3.5mm mono or stereo and no extra
leads are usually required. There are 6 versions available to match most
impedances:
Order code GB8M - 8 Ohm Mono
Order code GB8S - 8 Ohm Stereo
Order code GB600S - 600 Ohm Stereo
Order code GB10KS - 10 k Ohm Stereo
Order code GB600M - 600 Ohm Mono
Order code GB10KM - 10 k Ohm Mono
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