OK, I simply have to hear what I'm missing--especially up high--with my old tube gear. After lots of reading on this wonderful website, the B&K ST-140 seems a good quality-vs-cost choice to try.
But which ST-140? The 70w? 105w? only the blue and red one? I only care about which sounds best, especially at the high end.
Yspm, Here's the best part of the link from your post:
"Here is a partial list of amps that have been bettered by the little B&K in my system. Aragon 2004, Hafler Transnova 9300, Meitner STR-50, Sumo Andromada, Counterpoint SA-12, Denon 2200, ASL 1003, and several others I don't recall at the moment."
Curious to know what else was used in those systems that made the B&K come out a winner, but still very impressive...
Unsound, revealing my ignorance, what is a low impedence speaker generally? I think most are 8 ohms, a few 4 I have heard of. Do you mean 4 ohm speakers? Why is the B&K not good for 4 ohm-ers?
River251, Speakers have minimal impedance and nominal impedance. One should know not only the impedance swing of a speaker, but also the phase angle before choosing amplification for a given speaker. What is a low impedance? What is a high impedance? Well, I think that might be very subjective, and many here on Audiogon might have very differing opinions on both. IMHO, in the big picture 6-8 ohms is the middle ground, anything below 4 Ohms is low, and anything over 8 Ohms is high, but there are other important considerations, and speakers ultimately decide.
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