99 10W Tube Mono Blocks?

I am in Montreal, Canada and was at the FSI sound show and heard them in person. They were connected to 3A MM Da Capo speakers (efficient and easy to drive) and they sounded very decent: good bass control and pitch, open midrange and smooth highs. What do you want more for so little money. But to take advantage of this pair I would think that you should not «cheap out» on source components and speakers.

All my experience with Antique sound labs is that they are a good deal for the money. I've got their single ended 22 watt/channel amp that sounds wonderful with Klipsch Belles. I also own a 30 watt/channel integrated and have had their single ended monos using EL 34s. You cant beat them for their performance but obviously they are not CJ or ARC quality. As the name leads one to believe their circuit designs are generally not their own. These are old designs in a new package. Some of the chassis's are not up to par with the transformers and in shipping the middle of the chassis bends in due to the weight of some of the transformers. If you can get a pair in good physical shape you cant go wrong for $200. Some people spend that on Shoes! Try horn speakers with the amps. You will definitely have to have an efficient speaker.

Anyone have any idea of the type of tubes these amps use and/or will accept. I would be very interested in these for budget minded friends.