The move to the new server is done. There are some software and database maintenance updates in process. This has us passing the hat around to help out. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html
, I have one question about old NAD 304 integrated amplifier. Got it very cheap and in good condition (it's a second version, with blue board inside) but still not sure - It's Class AB or Class D device? *confused*