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QUAD 405 documents
Current dumping paper preseted by P.J.Walker
http://vicol-audio.ro/docs/currentdumping.pdf
Quad 405 test reports  http://vicol-audio.ro/docs/testreports.pdf

Does it really work by Vanderkooy & Lipshitz http://vicol-audio.ro/docs/lips.pdf
Malvar current dumping analysis http://vicol-audio.ro/docs/Malvar_CDA_WW1981.pdf


Audio test cd for CD test and calibration

Please note that this CD contain test CD signals and may destroy your amplifier (overheating) or speakers.
I take no responsibility of inadequate use of this material.

Download from here CD TEST.
Extract rar file and use image file to make a CD copy.

Audio Test CD