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The Canadian part meant nothing really,just the tube part..
I tried alot of the big Canadian names(Classe,Simaudio,Bryston) and the USA(Krell,Theta,Pass,Mark levinson) and since I love a truely well controlled bass,hence Krell amps.But the preamps are new to me as I always used a pre/pro.That is why the question.
The Simaudio P-8 is supposed to be an extraordinary pre-amp. I have the P-7 and the P-8's supposed to be a pretty notable step up, according to Simaudio.
I pair my P-7 with a W-8, also from Simaudio as more than one review mentioned that the best synergy with these pieces from Sim lies with other Sim pieces. They are fantastic together IMHO!
This is not to say these Simaudio pieces don't work with other pieces but they reportedly sound best paired together. I would think it's very important to be able to try the P-8 with your Krell amps to make sure there's good synergy there and you get the sound you like.
Does Krell not also have good pre-amps worth considering?
I never heard the W-8,only the Titan-7ch & for 200w/ch it did well.I used a 4ohm load so 400/ch but with only 2/1.1KV transformers ...well I was impressed.That W-8 should have even better sonics and you have the same transformers but only on 2ch.I would like a coler running pre as the AR tubes are hot and Krell is hot.Is your p-7 cool running?
As far as I can tell, the P-7 pre-amp generates no heat - it never even gets a little bit warm. I suspect the P-8 pre-amp would also run cool.
The W-8 amp is a different story, however. It runs quite hot and needs breathing room. It's got 2 1.3kVA transformers, has a power supply capacitance of 240,000uF and has a spec output power of 500 wpc at 4 ohms (1,000 wpc at 2 ohms). It's a pretty powerful amp.