I just received the latest RF Parts catalog and they are listing the 3CX1500A7 being manufactured by TAYLOR. Has anyone had any experience with this manufacturer of the 3CX1500A7 tube, good or bad ??? Thanks, Pat W1KA -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com