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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

Showing 5 responses by pdreher

pdreher's avatar
pdreher
1,234 posts
 
It's all about personal preference.  I find I find Magico's to sound very nice, but ATC's to be loud and grating.  

Reading the original posters preferences for tubes and listening to jazz at moderate volumes, recommending high powered solid state amps is not in his best interest.
pdreher's avatar
pdreher
1,234 posts
 
I preferred Gold Lion KT 88's with my recently retired 40.1's, then moved to warmer RAM EL34's with my newly acquired, more neutral 40.2 Anni's.
pdreher's avatar
pdreher
1,234 posts
 
I've used 3 solid state amps and 6 tube amps with in my 9 years of 40.1 ownership... and tube amps are my resounding preference.  But what do I know.
pdreher's avatar
pdreher
1,234 posts
 
@decooney 
I did try well matched RAM Gold Lion KT77's with my 40.1's and just found them to be "okay", as they lacked the bass of Gold Lion KT88's and the warmth of RAM EL34's.  Not my favorite tube for my application... but acknowledge synergy is key when it comes to matching tubes to tube amps and speakers.
pdreher's avatar
pdreher
1,234 posts
 
@decooney 
I use a vintage Music Reference RM9 MK2 refurbished by Roger Modjeski in 2017.  It's been the best all around amp in my 20 years as an active audiophile.  
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