hi iam looking for a good 8873 for my SB-230 amp.or do u know anyone who has change the 8873 to a diffrent tube.tnx dennis Sponsored by the City of Tempe Listserver Submissions: heath at listserv.tempe.gov Listserver Subscription: listserv at listserv.tempe.gov - "subscribe heath 'name' 'call'" Listserver Unsubscribe: listserv at listserv.tempe.gov - -"signoff heath"