F&T Electrolytic Guitar Amp Capacitor. 100uF - 450V. Polarized Electrolytic. ± 20% Tolerance. Operating temperature 85°C. "Founded on the 13th of February, 1948 by Heinz Fischer and Alfred Tausche, FTCap has grown its production to industrial levels. FTCap capacitors are synonymous with reliability even for large-scale production. We build reliability into each one of our capacitors through experience, through technological expertiese and through our broad knowledge of applications "