AS REQUESTED - DYNACO STEREO 70 HIGH END CAPACITOR UPGRADE KIT. THIS KIT IS FOR THE SERIOUS AUDIOPHILE AND CONTAINS ALL THE CRUCIAL METAL FILM AND MICA CAPACITORS NEEDED TO UPGRADE YOUR CLASSIC ST-70 PC-4 DRIVER BOARD AND ASSOCIATED CIRCUITS. MICAS TOLERANCE 5%MIN. ALL OTHERS SCREENED TO 5% OR LESS EXCEPT FOR THE 2  ELECTROLYTIC BIAS CAPS.  THE MICAS ARE HIGH QUALITY 500 VOLT RATED AND THE FILM CAPACITORS ARE CONSTRUCTED OF PREMIUM METALIZED POLYESTER OR POLYPROPYLENE (ISO9001 & 9002 CERTIFIED) AND RATED AT 630 OR 1000 VOLTS. CAPACITORS CAN CHANGE VALUE WITH TIME. THIS WILL DEGRADE PERFORMANCE, CAUSING FREQUENCY RESPONSE AND STABILITY PROBLEMS TO ARISE. METAL FILM CAPACITORS ARE DESIRED FOR THERE LOW DISTORTION AND SMOOTH SOUND.UPGRADE NOW AND HEAR THE DIFFERENCE.THIS KIT CONTAINS CAPACITORS FOR BOTH CHANNELS OF THE ST-70 INCLUDING 2 NEW 68 MFD 100 VOLT  ELECTROLYTIC BIAS CAPACITORS CRUCIAL FOR LOW HUM SPECIFICATION. (12 CAPACITORS IN ALL)