EX ITT 6V6 6V6GT 6V6GTA Audio Amp Guitar Preamp HiFi stereo tube 115% $9.99 EX GE 6V6 6V6GT Audio Amp Guitar Preamp HiFi stereo tube 102% $9.99 Yamaha Natural Sound Combo C 50 Preamp PLUS M 50 Power Amp 120 watts RMS @8 omhs $459.99 2 RCA 5Y3GT 5Y3 BLACK PLATE MATCHED SET PAIR [...]