AGD Duet Monoblocks

Have you tried Atmasphere's mono blocks? I've yet to try them, but I suspect they're quite good, given his great reputation in the audio industry.

I'm currently trying out some Fosi V3 mono blocks and am quite surprised at what they're doing in my system. Of course, they don't come with bragging rights, but I borrowed them from someone with quite an amazing and complex system who really loves them.

All that said, I'll be interested in hearing about the Duet mono blocks. I really liked the Audion III monos when I had them for a bit over a week.

I have Duets in my primary system and a Tempo in my secondary.  The Duets are not going anywhere.  They drive Harbeth 40.2's.  I am 100% satisfied with them. They are a step up from the Tempo, but not a HUGE step (family resemblance).

Whether the Duets have all the bass "heft" of heavy-iron class AB power amps--think Accuphase, Coda, or your Gryphon--I couldn't say.  You'd need to do a side by side to be sure.  I'm not sure if Alberto Guerra does home trials.  He is, BTW, a pleasure to deal with.

I've had Duets for over 1.5 years and wouldn't trade them for anything except Gran Vivaces. Listening to Allen Toussaint - The Bright Mississippi r/n and it couldn't be more pleasing. I credit their detail with helping be to "get more" out of the room treatment tweaks I've been on recently. I just know they will show me more as I tune the room. Alberto himself is an endearing, immovable, nerd & worth talking to at shows. No regrets here

Endearing? Not that I saw.  I had a question at a talk that he and Mychal J (Mytek) were giving one year at Axpona (or CAF--cant remember).  He was damned rude as I guess the question was very elementary in his esteemed higher that mighty opinionated self..  Mykal covered for him at least.

@armyslowrdr 

I couldn’t disagree with you more.  Alberto is a class act. I have dealt with him more than probably most and have not detected any rudeness from him. Maybe he had a bad day. Please give him the benefit of the doubt. 

@lance348 

I have had the Duet in my system not too long ago and can say with certainty that you will not go wrong if you were to acquire them. I didn’t buy them because I already own the Audion. The Duet is similar but with more power. Depending on your speakers efficiency, you might prefer them. Not sure if AGD does in house trial, but like I said, Alberto knows me well enough to have sent me a pair for audition.  You can always ask.