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Power amp s for Avantgarde Duos?

Hi, I'm looking for new amps for my Avantgarde DUOs.
I have had different tube amps, and prefer 300B/845/805..
Now I have Cayin/Spark 9084D, 845 monoblocks; but I have some problems with hum, and they are not the best with respect to resolution.
Noise is of course a challenge with these speakers.
I have recently tested a BAT VK-75SE, and were impressed by the dynamics and the fantastic bass slam together with excellent resolution and imaging. But the midrange (vocals) seem a bit "too neutral" (analytical?) to me........
I have a BAT VK-51SE pre amp, and Acoustic Zen Silver Ref IC's, Audience Au24 speaker cables (might be replaced with AZ Double Barrel.....).
Source: Pink Triangle Anniversary TT + Wheaton TriPlanar MkVII tonearm + Lyra Titan PU, and a Pass Labs X-ONO phono stage.
Room size 3.5 m (w) x 5.5 m (l).
Price range (new or used): up to $4000.
I prefer monoblocks, but no must........

Best regards Ola
olaps
eljaro
27 posts
 
I am running my Avantgarde Mezzo with a pair of Klimo Beltaine SET using TJ mesh-globe 300B. Fantastic and not missing any bass. Separate tubed power supply on the Betaines do it. Only 7 Watt but more than enough even at hurting levels.
david12
1,454 posts
 
I am afraid I am not a fan of Avantgard speakers, but I recently heard them at GT Audio, the UK importer. I was auditioning the TW Acustic one turntable. They were driven by Grahams own Tron amps, 3 watts I believe and a very beguiling sound. They seem to tame the shrill, wearing edge I have heard in the speakers. I also heard them through his Tron 7 phono stage, the first I have heard at a reasonable price, to better my K&K phono stage
olaps OP
17 posts
 
Larryi, a comment about your opinion with respect to the bass. Having been an owner of the Duos for almost 5 years, I agree with you. But, three years I had the opportunity to compare the standard subwoofers with subs upgraded with other electrolyt capacitors in the power of these. The upgraded subs had ELNA Cerafine caps, with a total capacity of 150 % MORE than original. And that sounded definitely better!
Better cotrol, more speed, and more nuances; in total a more natural representation of the bass. And with this change the bass also seems better integrated with the rest of the speaker system.
nevillekapadia
95 posts
 
Please could you provide more details on the the Elna caps and values. Also how long did it take to burn in before you found a change in sound. thanks in advance, Neville
dvavc
81 posts
 
"Please could you provide more details on the the Elna caps and values. "
I would also like to learn more abou it, but it looks this link is dead now :(
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