I agree but in the case of using two radios, two pair of headphones, a
switching system and getting hum indicates a serious deficiency in the
station interconnection and ground scheme. Everything should be at the
same potential, thus no current would flow. As they say "sum-tin not
right".
73
Bob, K4TAX
On 1/16/2019 10:00 AM, Walter Underwood wrote:
When I need to drive two sets of headphones, I use a $25 Behringer HA400
headphone distribution amp.
https://www.amazon.com/Behringer-HA400-Ultra-Compact-4-Channel-Headphone/dp/B000KIPT30
wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)
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