Hi Marty, I have Globe Scout 680 I run on Am occasionally,
It is stock and sounds ok, not hi-fi, not fully modulated, but It's hard to get more than 80 percent
modulation out of the class A heising modulator. You should use high impedance
microphone with it, a crystal mic like D104.
Well 25 bucks not a bad price, and you have fun rig to operate, Hope to
hear it on soon. GL, Chuck
BTW, years ago I had another 680, and for kicks decided to externally modulate it with
a homebrew 4-400 modulator, BC iron, well unfortunately the little cheapo recieving type
plate tuning cap didn't have the spacing for extra audio peak voltage, and kept arcing over.....