on the 303rx. ive replace the 4.7 ohms res (r-556), Q-506,Q506, 2 100uf 30v. but still have low audio output.w/the volume control wide open.any type of help. dennis Listserver Subscription:listserv at listserv.tempe.gov - "subscribe heath 'name' 'call'" Listserver Submissions: heath at listserv.tempe.gov Listserver Unsubscribe: listserv at listserv.tempe.gov - -"signoff heath"