I have an old Sigma XR3000D I have had since they came out 25 years ago or
more. It ran a pair of 3-500 tubes and operated from 160 thru 10 meters. Other
than a beefy power supply and solid band switches it was pretty much otherwise
an amp that would constantly require TLC. It has been sitting on my shelf since
I bought a Ten Tec Centurion to replace it. Due to heat (under rated cooling
fan) the main tank coil broke/cracked. Anyone out there in cyberspace have one
of these jewels and parting it out? I suppose a coil covering 160 thru 15
meters might work just so it is physically the same size or close.
Bill AD8P
mycall at wcoil dot com
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