Re: [CQ-Contest] Yamaha CM500 headphones flaking apart

[Jim Brown <k9yc@audiosystemsgroup.com>]

On 11/18/2020 8:53 AM, K4RO Kirk Pickering wrote:
> If your radio or mic preamp can supply phantom power,
The bias that ham gear and computers provide is NOT "phantom power," 
which is VERY different. Phantom power is an international standard for 
pro mics with BALANCED outputs, and is applied equally between the two 
signal conductors and the shield through two equal value resistors. The 
two systems are not even slightly compatible.
73, Jim K9YC
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