Behold, Radioman390 signaled from keyed 4-1000A filament:

I would prefer a table radio like a Tivoli or old KLH21


Ceratinly some DRM capability, or a place to add a plug-in card which
could be either DRM, C-QUAM stereo, or the digital AM (IBOC or Kahn?).

Depending on how the digital standard goes, at least the RF could be
constant.

10/9 khz tuning (US vs Euro)

Noise blanker

An input for a loop antenna

An input with DC phantom power for an outdoor active antenna

Maybe an antenna switch to switch between lop and other antenna, or two
loops.

Good tone controls

Perhaps something like the old Scott DYNAURAL circuit which shaped the
flatness of the audio depending on signal strength, or something like
Worcester's AM circuit which made the IF passband narrower as the signal
strength decreased.

Good speaker!

I agree with everything here, except I would make the IF selection
manual. Most purists want to be in control of their machine and will
likely open the box and manually modify it....if buy it at all.

IF BW of 2.5KHz 6KHz and 10KHz per side band for itelligibillity through
audio quality.

Good crystal or mechanical filters too, not crappy ceramic thingies, as
they are certainly not flat in their passband and would require manual
audio EQ to compensate for the midrange hump.

Oh and please, as a former serviceman, paste the schematic on the inside
of the box like the old days :-)

--
Gregg
*Perhaps it's useful, even if it can't be SPICE'd*
Visit the GeeK Zone - http://geek.scorpiorising.ca