Thanks for weighing in-- worst case scenario I just keep her-- that's sounding better all the tiome. Downsize downschmize! Doug

Thanks again for your good advice-- sorry I didn't get back sooner; I thought I would get a reply notice in my email. Had to go back to the site and the thread to see your response. All the best! Doug

Hi-- yes I still have it--looking at it right now. I'm suddenly in my 70's now-- downsizing everything in my life, which includes the Maestro. Thanks for all the nostalgia and info. Know anybody who could and would appreciate her? All the best, Doug

Hi guys-- Years ago I joined Head-Fi to find out about a Singlepower unit that came with a rack of high end audio gear that I purchased. Though I was no headphones expert, the Singlepower story was fascinating to me and had a feel of "classic and collectible" to it, so I just held on to the...

Hi--  I've been reading lots of the forums for about a week now-- got started because I Googled my Maestro ZR and you guys have a bit of a history with Singlepower.  My only immediate need is to find out if I will damage the unit or my headphones by firing up the amp with generic Russian 6SN7...