[Elecraft] CM-500 Question

[Alan Bloom]

Thanks Jim.  Unfortunately I'm several thousand miles away from home so 
I can't do that test right now.  I'm pretty sure it's an electret, but 
I'll check when I get home.

Alan N1AL


On 8/7/2023 11:00 PM, Jim Brown wrote:
> On 8/7/2023 12:44 PM, Alan Bloom wrote:
>> I also use it for recording a radio show on a computer sound card. 
>> Again, I have to set the gain to near maximum to get proper levels.
>
> Alan,
>
> The CM500 has always had an electret mic, which requires bias, 
> although the data sheet has always called it a dynamic mic. As a test, 
> turn off bias and see if that changes anything. If it is a dynamic, 
> turning off bias should make it work better.
>
> My WAG is that what you bought might be a counterfeit. My experience 
> buying all sorts of things in the last 5 years (kitchen tools, shoes, 
> etc.) has been seeing lots of what appear to be either counterfeit or 
> cheapened versions of stuff I'd previously owned and wanted a second one.
>
> 73, Jim K9YC
>
>
>
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