I'm new to this site, but have been involved with high end audio since long before the internet was invented. I've been running a Lazarus Cascade Basic preamp, a pair of modified mono ST-70s in triode, and a pair a of custom build Sterling Acoustics speakers for about 25 years. The hobby has taken a back seat due to the obligations of raising a large family, but the time has come to do some much needed updates, upgrades, and component replacement in my amps. I stumbled into this website while research the AVA Ultimate 70 mods. Looking forward to perusing the archives and maybe asking some questions.