[Heath] SB-401 / HV drop upon keying

[Robert Myers]

When I key my SB-401 into a 50 Ohm load, and having tuned things up for max
power, the I see HV drops to around 740 VDC.  Is that normal?  What have
other measured?  Should it stay at 800 VDC?

Thanks,
-- Rob, VE3JQL