[BC] Positive peaks.

[Dana Puopolo]

Yep.
Then there was the old "top 40" mod in the Collins 21E-jump out the low value
resistors in series with the primary of the plate transformer.
IIRC. you could also rewire how the filter caps were connected so the HV was
drawn directky off the caps rather then a wire in series with them-that made a
decent difference too.

I would have loved to try the "PA bias mod"-of putting a diode isolated HV
supply in series with the PA with a variac to keep the PA from pinching off
the carrier-into this rig. I'm sure it would have howled like the Wolfman!

-D

From: "Grady Moates" <lists at loudandclean.com>

        Even with a 50 Hz high-pass, these transmitter would have
a lot of bounce caused by kick-drum transients.  I found that
adding an 8 uF cap in parallel with the 2 uF cap made the
problem go completely away, as long as the 50 Hz high-pass
in the processing was in-circuit.

    That allowed the audio to be turned up 1.5 dB or more.

    It's surprising, even today, how much audio quality
improvement can be achieved with simple power supply mods.