On Mon, 11 Aug 1997 06:49:23 -0700 (PDT) Larry Tyree <n6tr@teleport.com>
writes:
>
>Before anyone tries to use the PT-2500A for serious work, they should
>get in touch with me. I had 3 or 4 heartaches with this amp during
>contests and found a number of design problems that can be easily
>fixed. Not sure if the B&W version of this amp was any better.
That was the Viewstar version Tree, the one built in Canada after
Hammond sold it.
B&W completely redid the RF deck before selling under their name. The
only early B&W problem was some parasitics but that was changed by Serial
# 12. I had # 006 and 008 here for long term evaluation and debug.
They also reworked many Viewstars for owners.
Old #006 won the CQ CW 160M Contest for me (KQ2M op) in 1987 or 88 as
well as numerous other contests 1987-89.
If you have anything written up I would appreciate a copy for my records.
73...Carl KM1H
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