With permission from Stan Ricker: ----- Original Message ----- From: "Stan Ricker" Ya--------part of the cutter-amp circuitry; in a plug-in card, in the Neumann case, the amount of "pre-distort" is diameter-dependent, triggered by many microswitches along the sled-path.......just before the RIAA eq... > phillip holmes wrote: >> So the Dynagroove process was at the mastering end of things (between the >> tape deck and the cutter head)? ----- Original Message ----- From: "Stan Ricker" To: "phillip holmes" >>> NEUMANN CALLED THIS "PREDISTORT" CIRCUIT" A "TRACING SIMULATOR"----AND >>> NOBODY LIKED IT EITHER.........THE TELDEC SYSTEM MENTIONED BELOW IS THE >>> NEUMANN SYSTEM..............THANK GOODNESS "DYNAGROOVE" WAS ONLY >>> MASTERING, >>> AND NOT ORIGINAL RECORDING AS WELL...........STAN >>> >>> phillip holmes wrote: >>> >>>> Do you know if the pre-distortion on the Dynagroove pressings were on >>>> the tapes or done by the mastering engineers? Enquiring minds want to >>>> know. >>>> Phillip