Herbert Visser wrote:

experimental bent. Very few AM hams are running stock commercial gear;
usually, at the very least, it is modified for better quality audio.

Better than Collins tube gear? How?

Hearing the best of these operators on a receiver with superb audio --
say, an SP-600 in the 13 kHz bandwidth, with the detector output fed
into a high-fidelity amplifier driving a pair of AR-3ax speakers --
brings you the true magic of radio in a way that must be heard to be

Sounds to good to be true :-). I think it's time that we're also going
to start these AM-experiments over here in Europe.

Herbert Visser

There's no shortage of them around here, perhaps you could take a few
with you?