Looking for a Bryston 4B ST clone
I was thinking of doing a set of DIY amps to go with my speakers and was wondering what eveyone else is doing. I looked at the Aussieamps but the FET's seem exotic and aren't even listed on the Manufacurers web site, which makes me nervous.
What I am looking for is a monoblock differential input, (XLR), that will drive 250W@8/400W@4 though I could probably live with half of that. I'd want very low distortion as well.
My current Brystons list distortion of .007% or so which the Aussieamps seem to meet. Are there FET substitutions that are more mainstream? Has anyone added a differential input?
Any other ideas?
I'm building the Aussieamps N-channel...and have high hopes for it's sound-quality.
I will use 2 x Jensen JT-11P-1 trafos for XLR-input.
Hope I get time to finish them till this weekend...
The Super Leach Amp seems to meet your criteria for power, giving 270W/8 ohms, if I remember correctly, but without a balanced input.
I'm interested in this thread
because I see a pair of subwoofer mono-blocks in my future-
But as a practical matter, I suggest ignoring the published distortion specs by even a well respected manufacturer -
there are just too many variables, and we really are more interested in the sound than the numbers:D
I'll do a search on the Super Leach amp and check it out. I do have simulation capability so I may attempt to add my own differential input.
I agree the proof is in the listening and since my Brystons are the quietist amps I've ever not heard I just want to get performance comparable to them.
By the way, each Bryston comes with an individual test sheet for that serial number so I think that they may actually be meeting their specs! ;)
Thanks all, anyone else?
I've heard the Leach and the Bryston side by side.
The Leach was much better.
Considering that they both use similar topology (cross-coupled dual differential inputs, fully complementary from input to output),
You would think they would sound more similar.
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