Have had MA-2's for a period of about 4 years, and the reliability is not an issue at all.
tubes as used by AS are cheap, and the output tubes will last forever.
the game is to not go down below 4 ohms, i have made quite a few combinations with different speakers, and the power output of even the M-60 will drive anything (up to a few) loud enough.
the MA2's did find their waterloo hooked up to a pair of Genesis 501's which happen to be my new pair of speakers..
the impedance is around 1,7 Ohms in the region of 500 Hertz. that my friends is a knock out for any OTL amp.
although the combination still did manage to go loud, the soundstage and the lower mids are lost.
the combination sounded anorexia.
I eventually sold the MA-2's.
As for transparancy and a top end to die for, you cannot go wrong with AS amps.
If you look for warmth and lush sounds look elswhere.
Very recommended.
tubes as used by AS are cheap, and the output tubes will last forever.
the game is to not go down below 4 ohms, i have made quite a few combinations with different speakers, and the power output of even the M-60 will drive anything (up to a few) loud enough.
the MA2's did find their waterloo hooked up to a pair of Genesis 501's which happen to be my new pair of speakers..
the impedance is around 1,7 Ohms in the region of 500 Hertz. that my friends is a knock out for any OTL amp.
although the combination still did manage to go loud, the soundstage and the lower mids are lost.
the combination sounded anorexia.
I eventually sold the MA-2's.
As for transparancy and a top end to die for, you cannot go wrong with AS amps.
If you look for warmth and lush sounds look elswhere.
Very recommended.