My old Knight Kit had the EL 34's. Sounded pretty good. Bob Groome 916-705-0040 or 916-273-6417 On Dec 29, 2011, at 12:49 PM, Milton Holladay <miltron at att.net> wrote: >6550~=6CA7~=EL34 >Gates BC-5P used 4 in PP/Parallel to drive 3CX2500F3 modulators; others >used a pair to drive 4CX3000s >M >On 12/29/2011 09:23: VIRUS ALERT!, Gary Peterson wrote: