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<blockquote data-quote="thch" data-source="post: 1534695" data-attributes="member: 562032">As it turns out, i don&#039;t have a handheld OScope or oscope near a bay for testing.&nbsp; i was hopeing for some real world testing of the basic circuit.&nbsp; the circuit can be made from a &quot;Twin T&quot; circuit, which is all over google.and you can cascade two of them in series to allow testing over more frequencies.I will make a special test tone tonight and find someplace to store it.&nbsp; basically you need a test tone that LINEARLY increases in amplitude.&nbsp; either that or the ability to see logrithmic trends.as the tone increases in volume, the DMM output increases linearly.&nbsp; as clipping occurs, the output should increase much faster.in anycase, i&#039;m wanting to get help testing the circuit out, like real testing in the feild.&nbsp; because it is so simple, i&#039;ll probably give out the schematic with values.&nbsp; I may end up selling them for maybe $5 or $7.50 if i can find suitable components.&nbsp; the componenets need high voltage ratings for high voltage output amps.&nbsp; i&#039;d like to use 600V rated parts which might be required for the big JBL amps.if you&#039;re interesting in this, i can give the schematic out with parts and you can build this and test it out.</blockquote>

[QUOTE="thch, post: 1534695, member: 562032"] As it turns out, i don't have a handheld OScope or oscope near a bay for testing. i was hopeing for some real world testing of the basic circuit. the circuit can be made from a "Twin T" circuit, which is all over google. and you can cascade two of them in series to allow testing over more frequencies. I will make a special test tone tonight and find someplace to store it. basically you need a test tone that LINEARLY increases in amplitude. either that or the ability to see logrithmic trends. as the tone increases in volume, the DMM output increases linearly. as clipping occurs, the output should increase much faster. in anycase, i'm wanting to get help testing the circuit out, like real testing in the feild. because it is so simple, i'll probably give out the schematic with values. I may end up selling them for maybe $5 or $7.50 if i can find suitable components. the componenets need high voltage ratings for high voltage output amps. i'd like to use 600V rated parts which might be required for the big JBL amps. if you're interesting in this, i can give the schematic out with parts and you can build this and test it out. [/QUOTE]

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