On 28 Aug 2010 at 17:43, WA5CAB at cs.com wrote: > > Ken, > > The short answer is no. Different circuitry, different tube lineup, > different external connector. Just for example, the BC-AR-230 uses > parallel 10Y (VT-25-A) output tubes. The GF-12 (52063A) uses push-pull > 837's. OK. Thanks. Just curious. Ken W7EKB