That's a lot of weight to add to an already large and heavy box. I have the A version which doesn't re-sell well due to some kind of positive ground design, that I don't understand. I'm not currently using them. I did use one for a short while, and thought it sounded fine. They were designed to directly replace the green vacuum tube amps that do sell for big bucks, currently. From what's been told to me on the board, the 1593, and 1594 sound pretty good...... the 200 watt 1590 doesn't have enough top end for HiFi.






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