Paul -
A T-4XB with good finals should put out about 130 W in TUNE position on
80, 40 and 20. 120W on 15 and 110 on 10. This is into a good dummy
load, with an accurate wattmeter. These power levels are limited by
ALC, you'll notice that the power increases linearly as you increase the
GAIN, but "flattens out" at about these levels. On CW, more power can
be obtained by further LOADing as ALC is NOT active on CW. Typically
150W on 40M.
If the dial is discolored by UV exposure, there is not much you can do
about it. If it's a nicotine coating, GoJo White Hand Cleaner
_"MIGHT"_ take it off without removing the numbers as well. I've never
tried it though. Another possibility is to use one of the clear discs
found at the top and bottom of stacks of recordable CDs. Scanning your
dial, or another good one, printing it on clear label material and
sticking them together. Again, I've not tried it, but is what I would
try, given the need.
Be sure and let us know of any successes, (or failures!,) you may have.
73, Garey - K4OAH
Glen Allen, VA
Drake 2-B, 4-B, C-Line& TR-4/C Service Supplement CDs
<www.k4oah.com>
Paul Gerhardt wrote:
1. How much power should a good T4Xb put out into a dummy load in CW key down?
2. Has anyone ever cleaned a partly 'yellowed' round dial (the part
with the numbers on it)?
Thanks and 73's
Paul
K3PG
www.pgerhardt.blogspot.com
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