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New Amplifier: Bryston 4B ST or Pass Aleph 5

All:

I am thinking about revamping my system and am looking for something that can work with my Magnepan MG12s and can grow with me up the Magnepan line. I haven't thought much about pre-amps (except something like a Krell 300i, but I'm not sure how that would play with the larger Magnepans), but have started thinking about amps.

After much research on this website and others, I have found two amps that seem to be recommended more than others for Magnepans: the Bryston 4B ST and the Pass Labs Aleph 5. I'd probably also consider pre-amps from the same companies, as they seem to perform well and I like the idea of a matched amp and pre-amp.

What do you guys think? I'm leaning towards the Bryston myself. I'm definitely on a budget for the amp (under $1500) so I have already discounted the McIntoshs, Krells, of the world.

I listen to classical music (primarily instrumental, solo through small ensemble music) and currently prefer Kimber Kable interconnects and speaker wire and my Marantz CD63 KI, although these preferences could change if I was properly convinced. I am also relatively new into this realm of hi-fi.

Thanks!
mre2007
mre2007 OP
90 posts
 
Driver:

Thanks for your comments. Remember, that the Magnepans are 4 ohm speakers and perhaps that is why the Pass and Bryston are so often recommended paired together. I haven't seen many people running the Ayre amps with Magnepans, but that doesn't mean it wouldn't be a good combination.

I have been doing a lot of research into some of the aspects you've mentioned and am compiling a list of "to-dos" that is growing quite large.
mre2007 OP
90 posts
 
After doing a bit more research, will the Bryston 4B ST and the Audio Research LS-5 have impedance matching problems? They will used balanced connections between them, right? Also, it seems that the LS-5 mk2 might be a better match for the Magnepans. Anyone care to comment?

Finally, how often does one have to change out the tubes, and about how much can this cost (a range of values is fine).

These look like they might be a sweet combination that would support any movement up the Magnepan line and work well with my music tastes.

Thanks!
mre2007 OP
90 posts
 
oops, perhaps I didn't mean the LS-5, as that's rather outside my budget ;)

I'd definitely like the following:
- balanced in/outs
- remote
- 12v trigger
- all tube gain stages throughout
- tube phono stage

Any takers under $1000? ;)
bemopti123
303 posts
 
Check this link for the BAT preamp I was referring to.

http://cls.audiogon.com/cgi-bin/cls.pl?preatube&1126124777

Paul
ejlif's avatar
ejlif
1,376 posts
 
I would think the Aleph 5 would not be enough power for the MG12s. I had the Aleph 2s which are more powerful and ran them with 94db efficient speakers and I wouldn't have wanted any less power. The Aleph speakers while sounding pretty great overall are notoriously wimpy as far as sounding powerful. The Aleph 5s would be a weak sounding 60 watts (which is fine when paired up with the right speakers) I had a friend who had the 1.6s with the Bryston amp, and I thought that system sounded great (for the money) driven directly by a Levinson 39 player.

I would also second the Ayre recomendation, it's just a great sounding product and far better than Bryston in my opinion.

It might be worth also taking a look at upgrading your CD player. If it were me I would split the money for the amp in half and spend the other on a better CD player.
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