Ron, I would not use the original Pi-Net. Mine has been smoked with the 4CX1500B at 3KV 1A input ~ 2 out. The bandswitch is extremely weak and wire diameter even cooled is far too thin. ( thinking of 2*GS35 at 5KV 2A) 73 Peter --- StripMime Report -- processed MIME parts --- multipart/alternative text/plain (text body -- kept) text/html ---