On May 23, 2006, at 4:24 PM, [EMAIL PROTECTED] wrote:
In a message dated 5/23/06 11:47:23 AM Eastern Daylight Time,
[EMAIL PROTECTED]
writes:
Don't use 6146's! two Raytheon 4D32's would do the job much
better. They
are
as cheap as 6146's now.
Actually, one 4D32 has almost the power rating of two 6146s. Two
4D32s could
probably due 200W easy.
I recall that the 4D32 was pretty expensive back in the 1950s, while
6146s were much cheaper. Things change. The Johnson Viking I (4D32)
was rated at 150W input (CW) and the Viking II (2x6146) was rated at
180 watts input. My first kit was a Viking II plus external VFO
(1953). Three 6146s would probably also do 200W output. I would
suggest that anyone building a rig with either tube purchase several
spares while they are still available.
73 - Bob, N7XY
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