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In Reply to: RE: Rogue Audio - Atlas Magnum and Stereo 100 posted by fantja on October 11, 2014 at 20:36:33
I know the ST-100 has a switch for 'triode/ultralinear' switching.
My dealer tells me they are very similar. They use the same transformers in the Atlas and ST-100 - let's them buy in bulk.
"We are all in God's hands... and God is a malign thug."
-Mark Twain
Follow Ups:
I thought the power supply and maybe the audio transformers were larger in the ST-100 but I could be wrong. An email to Rogue will confirm either way. They're usually pretty responsive.
As for the Cronus Magnum, it's a warmer sounding amp than the Stereo 90 Super Magnum or the discontinued Tempest integrated amps. But I realize we are discussing the new ST-100 vs Atlas.
If you have money to burn get the ST-100.
The problem with the Atlas (and it's not a bad problem to have) is that it's priced too cheap. It should be at LEAST $2500, maybe $3000.
At it's crazy $2000 price the ST-100 is fifteen hundred bucks more. That's just too much (for me) to choke down.
If the difference had been $500 or so I'd have spent it.
But two grand for an Atlas? That's just too hard to turn down.
"We are all in God's hands... and God is a malign thug."
-Mark Twain
Shhh. It IS a bargain and lets keep it that way. ;-)
I'm sure there's significant cost in the ST-100 chassis and front panel alone compared to the more modest Atlas.
I recall reading the ST-100 has a better input stage. Yes, two amps from the same maker with the same output tubes and power rating at a $1500 price difference is hard to swallow. I reckon the ST-100 may be better, but not $1500 better. Would be fun to find out though.
marc g. - audiophile by day, music lover by night
The Rogue product page also lists Mundorf EVO oil caps in the ST100, which are better than anything in the Atlas Magnum, and even in my older Apollo/Hera. The $1500 is probably from a combination of factors, e.g. beefier PS (at least more storage if not bigger iron, I would think), better input stage circuit, better parts, bigger faceplate and cage (though I think the Atlas looks much cooler than a big box). A better PS could allow the ST100 to have higher peak/dynamic power output, which is far more relevant to music than continuous rating anyways.I've had and heard a lot of Rogue gear, and always felt that the extra cash outlay up the line yields roughly proportional gains in sound. Rogue doesn't BS you. Though it's true there are those "key" pieces that just stand out a lot at their price points. The Atlas Magnum probably being one (I had the plain Atlas which was great for under 1500), and I feel the Athena preamp is another.
A while ago I compared the non-Magnum Atlas to a friend's Stereo 90 on my Tannoy Kensington SE, and the Stereo 90 was definitely worth the extra cash. I'd like to think Rogue is trying to keep that kind of separation with the new ST100 vs. Atlas Magnum, though the continuous power discrepancy is gone (again, dynamic power is probably more important and they don't list that).
Edits: 10/14/14 10/14/14
i see an tempest model iii for $2,000.
roger wang
made. The OP was asking comparison of two current power amps with the same output power rating. Cheers.
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