[Heathkit] 1625 matched pair? (was 807 vs 1625 as DX-100B modulator)
Rick Poole
wa1rkt at arrl.net
Sun Nov 20 08:42:25 EST 2011
Is there anything to be gained by using a matched pair of 1625
modulator tubes rather than just pulling two off the shelf and putting them in?
Rick WA1RKT
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