In fact, if the Edison Disc reproducer is not adjusted *just right*, one can hear the brass "ringing" along with the surface noise ! Thus the use of pot metal, methinks. Brass is long-lived, but not acoustically inert.
----- Original Message ----- From: "Bruce Mercer" <[email protected]> To: <[email protected]> Sent: Wednesday, May 04, 2005 5:13 PM Subject: [Phono-L] Diamond Disc Reproducers > > >> Hi, >> Can anyone tell me if the Edison Diamond "C" reproducer used in the > Amberola models, is made of Pot metal and therefore suffers damage due to > the brittle metal ? I believe there were two types of Diamond "C", the > early > one having a nickle coated finish and the later one being finished in > black. > Were both versions made of the same material (ie) Pot metal. >> Thanks >> Richard. >> P.S. >> Were there any pot metal parts on the Edison Diamond Disc reproducer ? > > > No, pot metal was never used on any of the disc reproducers. > > Bruce
