"Fair Radio has 32uf 4kv caps at a reasonable price. Can I use one of those and get away with it?" Yes, providing other parameters are similiar, such as ripple-current rating, etc. 73, Roy K6XK -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com Search: http://www.contesting.com/km9p/search.htm