Subject: Re: tubes??? 4CX250F Date: Fri, 23 May 1997 16:03:53 -0700 From: David Trimmell <dwt-at-efn-dot-org> To: tesla-at-pupman-dot-com Oop's, "4CX250B Beam Power Pentode Characteristics: Heater or Filament: 6 Volts, 2.1 Amps Capacitances - Cin = 18.5, Cout = 4.7, Cgp = 0.04 Maximum Ratings: PD=250, Vp=2000, SD=12, Vs=400, Freq=175 Mhz Prefered Substitutes: 7203 Substitutes: None" I ment Tetrode, not Pentode. Sorry. David Trimmell