best used amp for Martin Logan SL3's

Sidssp,
FWIW, a friend of mine is thinking of pairing a McIntosh integrated with a pair of SL3s (without listening to it beforehand - aaargh). Is there something particular to McIntosh which would make them a bad match with SL3s? My understanding is that the input impedance goes low enough, and I am surprised by the OPT comment, because I had not found OPTs to be a problem on my tube amps. Indeed, they smoked almost anything else I tried.

If others have experience trying McIntosh amps/integrateds with SL3s or similar MLs, please help Wkjeffers, the original poster, because it will help me (warn off a friend if bad) as well.

Wkjeffers, lots of amps will be good or bad depending on impedance, and because the SL3s go down to 1 ohm, they will test a lot of amps. Having used an amp which could deal with it on my SL3s and an amp which couldn't, I highly recommend amps which can!

I did not own one but I tested one before making the decision to go with big power tubes and I can recommend the Innersound ESL amplifier. I also liked the way Counterpoint hybrid/FET designs sounded with the SL3s.

thank you very much for the info.

The Aragon 8008BB will drive anything and can be had for less than $1000 used.

Great speaker! Something with high current and stable into a low impedance will do nice. YBA amplifiers have very high current (even though "watts" rating may be considered low) and are stable driving low impedance loads. They also sound fantastic with SL3.