ferrisio Posted April 30, 2008 Share Posted April 30, 2008 Hello I fancy wiring up the piezo sounder I have in my toolbox to an XLR shell to use the Clip Cop/'Ranegain' method to detect clipping and try and understand correct gain structure more. Can I just wire it across pins 1&2 or do I need a resistor for protection? Looking forward to experimenting! Link to comment Share on other sites More sharing options...
3guk Posted April 30, 2008 Share Posted April 30, 2008 Isn't it across pins 2 and 3 ?? Link to comment Share on other sites More sharing options...
ferrisio Posted April 30, 2008 Author Share Posted April 30, 2008 Isn't it across pins 2 and 3 ??I reasoned across hot and signal ground, or possibly tying cold to signal ground too. Will be interesting to see other takes on it. Link to comment Share on other sites More sharing options...
Simon Lewis Posted April 30, 2008 Share Posted April 30, 2008 For this method, typically you will only run it at line level - so the resistor isn't needed. You will find that running oscillator at 400Hz is a lot more pleasant than 1kHz ! Simon Link to comment Share on other sites More sharing options...
ferrisio Posted April 30, 2008 Author Share Posted April 30, 2008 For this method, typically you will only run it at line level - so the resistor isn't needed. You will find that running oscillator at 400Hz is a lot more pleasant than 1kHz ! SimonA good point! Also at what level should I generate the 400Hz test tone? I am thinking of using an oscillator plugin in Cubase and then burning a good few minutes worth to a CD so it is easy to reproduce. Any other comments on the wiring? Link to comment Share on other sites More sharing options...
mackerr Posted May 1, 2008 Share Posted May 1, 2008 There is a lot of information about the Clip Cop here, and here. The piezo goes across pins 2&3, and the tone needs to be low enough that the driver can't produce the fundamental tone, only the harmonics created by clipping. Mac Link to comment Share on other sites More sharing options...
timtheenchanteruk Posted May 1, 2008 Share Posted May 1, 2008 be careful what you use to burn it if you go down the cubase route, buth WMP and nero seem to like doing strange things with pure tones. I have one at home I down loaded, try searching blue room for test CD, its free and legal Link to comment Share on other sites More sharing options...
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