Differences between the old AGI 511 and the 511A?

Hi, I'm from Italy and I can't find the differences between the AGI 511 and the 511A. Is there someone who can help me? Thanks, alessandro

aesse1204-30-2008 8:03am

lucaliga Details Discussions Posts This discussion Message User 1 posts 05-11-2021 at 07:05am Copy Comment URL Report Comment Edit Delete Hi, I just bought an AGI 511, if I send you a picture, can you tell me what model it is? Thank you
michaelspallone Details Discussions Posts This discussion Message User 30 posts 01-11-2021 at 07:40pm Copy Comment URL Report Comment Edit Delete Not that you're probably interested any longer, but I believe the main difference to be the use of discreet transistors in the phono and line stage of the AGI 511A in place of the op-amps used in the phono and line stage of the original 511.