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Looper's Delight
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Is there a schematic available for the EDP analog section? Do the converters in the EDP use emphasis? Is the clip LED driven from the analog signal, or the MSB? At 05:08 PM 3/10/98 -0800, you wrote: >Recently I started looping my Alesis HR-16 drums with the echoplex dp. > Prior to that I had input mostly bass guitar, and electric guitar. > >While looping high hats and cymbals, I noticed that I have to be very >careful with the input level (keep input LED only green), or I get an >unpleasant distortion. Per the input LED I seem to be able to input a >much larger signal for bass drums (or bass guitar and guitar) and >snare than the cymbals. > >Further, it looks like the LED for input level, and the LED for >Feedback level do not correspond very well with one another. The >input LED seems to register lower than the feedback LED. That is to >say, when starting a loop, if I set the input level so that the input >LED shows only green, then the feedback LED will still go orange or >red (with high freq signals). This occurs before the loop has grown >beyond the initial input. > >I have not done the R7 - 75k 5% 1/4w CF modifications to the clipping >indication on input LED, nor any of the limiter circuit modifications >(r20,r21, or the resistor tacked to bottom of PCBA ala Kim). > >Would any of these mods help with my apparent high frequency overload >sensitivity? Any other suggestions to resolve this? > >bret >_________________________________________________________ >DO YOU YAHOO!? >Get your free @yahoo.com address at http://mail.yahoo.com > > > >