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Amp for Acoustic Zen Crescendo 2 ?

Hello all,
I have these speakers for 2 months now and want to move on to a tube amp of 50 - 60 wpc or so, or a SS amp that fits the bill..  My current amp is an Ayre V-5xe.  I'm looking for an amp to sweeten up the top end and has a midrange that does vocals full and articulate, even if that means colored.  The Ayre is a great amp but I think there is a better match out there.  I'll have to save up for used, under $5K.  I'm especially interested with what actual owners would say, as well as their system specifics, but all comments welcome.  Acoustics and speaker placement are fixed and substandard.  That's just the way it goes at our house.
I'm using a steel arm VPI TT with Ortofon Cadenza Bronze, ARC PH-7 and REF 3.  Thanks.

wlutke
grannyring's avatar
grannyring
4,637 posts
 
Let's build this unit Charles. A DHT 300b tube output amp with SOTA room correction and built in dac. We can address further noise reduction with a cutting edge hybrid pre and amp section. 
grannyring's avatar
grannyring
4,637 posts
 
Understand fully stfoth. I really do. I will always have "some" tube amp in my home as I am in love the design and building of these pieces. 
stfoth
435 posts
 
After the amp modeling would come digital speaker simulation.  Then, maybe digital effects would make a comeback--instead of hall, church, and stadium reverb/"surround," this time with tape hiss, worn vinyl, and 60hz hum.
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kdude66
1,198 posts
 
Wig,

Not sure if there is a sound difference between 845 or 805 tubes?

I would say from from my experience from either owning or listening to both of these big transmitter tubes they are more alike having several sonic qualities than being dissimilar.With equal implementation of same level of quality output transformers and each individual circuit design supporting the proper electrical parameters for each tube.Also would need good strong pwr supply's in each type of amp.

I personally have always liked the 805's vs the 845's,
They sounded more balanced and didn't have the upper frequency livelyness that a 845 sometimes can have.I owned a pair of the Mastersound 845 mono's last year but I didn't keep them very long.

And Offcourse I haven't heard all the different amps that use these big tubes.
Maybe someone else will have more insight on this question.

Kenny.
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