Have you tried a key jangling test the same way? I'd be curious to see
a similar image from that, the traditional test used for mic pre
distortion - care to do a comparison? Certinly safer than the spark, is
it as effective?
How close was the spark to the mics?
<L>
Lou Judson =95 Intuitive Audio
415-883-2689
On Mar 23, 2007, at 11:32 AM, Rich Peet wrote:
> How high will a standard mic go.
>
> Someone else with more experience than me would have to comment on
> what the freq response curve of a gas grill bbq piezo starter is but
> it seems to go into RF frequencies.
>
> Testing two standard mics with the bbq starter I noted that on
> multiple sparks that the spectrum display looks identical each time.
> Then changing mics I get a different pattern that once again does not
> change from spark to spark. So I conclude that an electrical spark is
> a way to check the freq capability of your equipment. I have no idea
> if this method could be dangerous to electronic devices and would not
> be surprised if there is a risk.
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