[AMRadio] OT: Philco model 46-420 Hippo radio in restoration - need help !

[manualman at juno.com]

50L6 is 8 pin octal.
50B5 is 7 pin miniature.

Pete, wa2cwa
 
On Fri, 17 Sep 2010 17:01:03 -0400 rbethman <rbethman at comcast.net>
writes:
>   Howie,
> 
> I cannot find the "-125" run code.
> 
> All of the Nostalgia air PDFs are either "120" or "121".  Those use 
> the 
> "infamous" (Notorious?) 50L6.
> 
> is there a "difference" in the pin-out and/or characteristics?
> 
> It may even have been "subbed" by a previous owner.
> 
> Bob - N0DGN
> 
> On 9/17/2010 3:21 PM, Howard Weinstein wrote:
> > Gang
> >
> > I have a Philco model 46-420 Hippo radio in restoration. It is a 
> later run model (code 125), using a 50B5 audio output tube, vice a 
> 50L6.
> >
> > I'm having some difficulty finding the proper schematic diagram, 
> Yeah, I know, I shouldn't even need one, but, this  unit has an 
> inoperative 1st audio stage and I'm seeing some  " wiring 
> strangeness "  in that area.
> >
> > Also, the filaments are not wired in series, which I find highly 
> strange.  I am have been searching the web, but, cannot find a 
> schematic for this specific 46-420 code 125 Philco "Hippo" AM 
> radio.
> >
> > Can ANYONE assist me in finding this schematic !
> >
> >   Tnx es 73 de Howie K3HW