Remembering of course that a PURC station was designed for PAGING service... If you have ever had to set levels in a paging or fire dispatch system that used the very low end tones just above the PL range you know real fast why the "flat audio board" was created.
Milt N3LTQ ----- Original Message ----- From: "Jeff DePolo" <[EMAIL PROTECTED]> To: <Repeater-Builder@yahoogroups.com> Sent: Thursday, March 15, 2007 10:43 AM Subject: RE: [Repeater-Builder] Re: Flat Audio >> Most two-way radio people never use the term flat audio repeater. We >> would assume most standard voice audio repeaters operate as the >> mentioned so the "flat audio repeater" has never really been applied >> by Industry as a real description. Some Amateurs seem to want to >> apply the label and confuse the heck out of everyone. It appears that >> these people have done a pretty good job... >> >> To the Industry... the proper term is more likely to be "transparent". > > Perhaps Motorola, not hams, created the "flat audio" monicker. The "flat > audio" board came standard with the exciter in Micor PURC stations (it > took > the place of the PL deck). Its purpose was similiar to that of "flat > audio" > mods hams do - it got around the "blue blob" mic processor which normally > provides preemphasis/clipping/LPF. > > Regardless, it's confusing as heck to many newcomers. > > --- Jeff > > > > > > > Yahoo! Groups Links > > >