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Which B&K ST-140?

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.

Thank you!
river251
phd
1,280 posts
 
Don't buy the ST 140 with the blue and red striping as that does not sound nearly as good.
slipknot1
1,423 posts
 
The 70 wpc version, with the black face, champagne color handles and red on/off rocker switch.
theaudiotweak
2,769 posts
 
2 output devices per channel. Less there is the better. Tom
yspm
15 posts
 
The consensus on re/blue vs. gold is mixed. Most opinions I have heard favor the red/blue 105W for sound and ability to drive low impedance loads. Most opinions hold them as only subtly different sounding.
http://forum.audiogon.com/cgi-bin/fr.pl?aamps&1074209541&read&keyw&zzst-140+red+blue
http://forum.audiogon.com/cgi-bin/fr.pl?aamps&1163363785
http://forum.audiogon.com/cgi-bin/fr.pl?aamps&1201935167&read&keyw&zzst-140+red+blue
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