Hard to find replacement capacitors that fit many North American made tube amplifiers. Fresh new stock made in USA. twisel 80-40-30-20 uF at 525V Twistlock Capacitor One 80uF, one 40uF, one 30uF, and one 20uF capacitor sections all at 525V. Great for a power supply upgrade to your dynaco ST70, just wire it up as 40uF-80uF-30uF-20uF. Increase the power supply capacitance from the stock ST70's 90uF to 170uF! Made in the USA. CE80-40-30-20$39.95 40-20-20-20 uF at 525V Twistlock Capacitor One 40 uF and 3 20 uF at 525V sections. Twist-lock mount, 1 3/8 inch (35mm) diameter by 2 1/2 inches (65mm) long. Fits Dynaco ST70, Mk2, Mk4, Scott 299, LK48, LK72 and many other tube amps.Not recommended for use in Dynaco Mk3 or Sunn amps,which really need a 550V or higher rating...(use an SDS Labs capacitor board instead for reliable service).. Fresh new stock made in USA. c-ec40-20X3-525$39.95 40-40-40 uf at 525V Twistlock Capacitor Three 40 uF at 525V sections. Twist-lock mount, 1 3/8 inch (35mm) diameter by 3 inches long. New Item c-ec40x3-525$41.95 20-20-20-20 uF at 475V Twistlock Capacitor Four 20 uF at 475V sections. Twist-lock mount, 1 3/8 inch (35mm) diameter by 2 inches (52mm) long. Perfect fit for Dynaco PAS2 and PAS3, also Fender Champ, many others. Fresh new stock made in USA. c-ec20X4-475$32.95 Triode Electronics Inc. 5633 W. Irving Park Road Chicago IL 60634 USA Ph 773-427-8823 (773-HAS-TUBE) Fax 773-327-5652 Open 10:30 AM to 5 PM CT Monday-Tuesday-Thursday-Friday