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What tube amp for Harbeth 40.1

I am looking for a tube amp for Harbeth 40.1.  I know many suggest SS amp such as Accuphase, Luxman, Hegel, McIntosh ... etc for Harbeth, but I decided to keep it with tube.  I also don’t think I need a lot of power.  I currently have a 8W custom built 300B and had a 18W Almarro 318B, and to me, they sound fine.  However, I think more power will help, and I never know what I missed until I try it out.  Having said that, I don’t think I need crazy power.  Anything 30-80W is good enough for me.  I am 3m away from the speakers, listen to Jazz at avg 83dB.

i have the following short list:
1) PrimaLuna Evo 400 integrated
2) Leben CS600X 
3) Linear Tube Audio Z40

Which one do people like with Harbeth?  Any other suggestion?

Among all qualities, I value holographic presentation the most.  I really like the feeling as if the singer is floating in front of me, if you know what I mean.  And my current 300B do pretty well in this regards, and I read this is what SET amps are good at.  Will I be disappointed with the above?
Thanks.
gte357s
jtcf's avatar
jtcf
1,620 posts
 
I'm running my Harbeth C7ES with an Aric Audio Transcend Push Pull amp with either KT88 or KT150 tubes(45 and 65watts).I also tried them with a pair of QuickSilver mid monos w/EL34,KT88,and KT150.The KT150s have the biggest liveliest sound,the 88s are good too.As expected,the EL34s run out of steam rather quickly.Personally,I prefer the tube amps over the 120 watt ss CJ amp I tried also.
IMHO the Harbeth 'house sound' puts you a few rows back as opposed to front row as far as dynamic swing and transients whether ss or tube.If I were in the market I would give one of the LTA amps a try.I have one of their preamps that I am extremely happy with.Just my two cents:-)
yogiboy's avatar
yogiboy
5,891 posts
 
Any Harbeth that I have owned sounded great with Quicksilver amps!!
http://quicksilveraudio.com/amplifiers/
gte357s OP
281 posts
 
Thanks for all the replies.  A lot of good suggestions.  I picked up a McIntosh MC275 IV yesterday.  The reason is that it is a local sale, the price is right, and it has a gain control.  I don’t have fund to buy a preamp now, so, this is a big plus.  I connect my source directly into it.  The McIntosh is more readily available in the used market also.  But definitely will try those other suggestions when something comes up.  I tried it briefly on my X5.  It is pretty good, but also don’t feel much special.  I will try it on Harbeth later today and report back.  
aj523
385 posts
 
@gte357s 

Definitely let us know. Hope this thread keeps going amd includes more user experiences....Harbeths with SS and/or Tube. 

cd318
2,636 posts
 
@aj523,

M40.2 Anniversaries?

Well, that’s certainly one impression of the current state of the art in loudspeaker design!

To be fair Alan Shaw has always stated that despite their seemingly low efficiency, Harbeth speakers do not present a difficult load to drive for any amplifier.


@gte357s,

Yes, keep us posted on how you get on.

The McIntosh MC 275 seems like another solid choice with first rate build quality.

A little more power can never be a bad thing.
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