Can the dealer you bought the Magico A3 assist? If you can get VTL from a dealer, the 450 will work. There is a thread here on this topic. Search in the forum.
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88 db 4 ohm impedance... will need tube amps that have multiple output taps and decent current capability if the system is in a large-ish room and/or listening to be at higher volumes
audio research, vtl, cj, bat monoblocks would be where i would head... suggestions from magico dealer would be helpful
magicos needs tubes to calm the sizzly treble for sure... hope you live in a cool climate or have excellent, quiet hvac... :)
@haimr we're a Magico dealer and have tried a handful of tube amplifiers with the Magico S- and A- series speakers.
I know someone who is using the S1 MkII with a VTL ST-150 and is very happy with the combination. I've also tried the VTL S-200 Series II and Audio Research ST-80 SE, and they both worked well. I can also recommend the VAC Sigma 170 iQ and PrimaLuna Evo 400 power amplifier as both being able to drive the moderately difficult load presented by Magico speakers better than some other tube amplifiers.
Have you considered a hybrid amplifier? One with a tube input stage and a solid state output stage. The ones I've owned are made by Audio by van Alstine (FET Valve 600R) PS Audio (BHK Signature 250 and 300 monoblocks). I've had high powered tube amps (e.g., ARC Ref 110) and high powered solid state amps (e.g., Bryston 4B SST2) and the hybrids seem to combine the best of both worlds for me.
Pretty sure both PS Audio and Audio by Van Alstine have a 30 day trial period. The ones I mentioned have MOSFET output stages, so they may sound closer to a tube amp in your system than most solid state amps that use bipolar output transistors. The BHK Signatures are balanced if that is a consideration for you. No affiliation with either company other than my experience with their amps.
The Magico A3 87dB is very similar to the V3 configuration with most likely similar loading on an amp, you need a good one with good current ability.
Good >100 watter that can do good current down into 2ohms, I doubt you’ll get a tube amp to better a good solid state on these, EG: Gryphon Diablo 120 would do nicely or the bigger 300 id $$$.
To be honest if you exceptions musicality if a integrated amplifier
if seperates depending on your budget ,the Coda 07 sounds like the best of both tubes and Solid state . Coda has pure class A amplifiers thst with the 07 preamp would check all your boxes ,
you didnot mention your budget .I recently bought this integrated amplifier .it is Exceptional even vs separates up to $12k
i made it better still with dual 16 amp Synergistic 🍊 fuses in the back and the excellent VH audio ODam capacitors on the preamp
coupling caps,and bought the V1 version .
The CODA CSiB integrated is great for the price. I had one and sold a few weeks ago. I am now getting the CODA 07x preamp and the CODA #8 amp because I liked the CSiB.
I also have the KRELL K-300i (90 watts Class A + more Class AB) that seemed more powerful in the bass than the CSiB. The KRELL is also very smooth sounding, maybe more so than the CSiB. I am reminded of the Luxman m900u with this KRELL. I will be selling the KRELL soon since my use for it did not pass the wife test. She did not want the TV to block the window, so bye-bye KRELL. I am using it in the office now as I type this, great piece.
The Mark Levinson 580 integrated was what I demoed the A3 with a few years ago. I thought that it was the best integrated I had heard. Though I now think the CODA CSiB and the KRELL are better.
You didnot say what you have for a preamplifier this amplifier below the Coda 16 is Great and will better most anything you put against it . I don’t own it but have heard it it ,it is Exceptional on every level. If I could afford it I would own it.
Ayon make excellent tube gear if you are set on tubes
they have the only true microprocessor biased amp
not fake self bias that averages all tubes .
the Ayon individually calibrate each individual tube for optimum
stability and longevity. If a tube goes it goes into stand buy
instead of possibly taking out a transformer then just run the rebias and
you are back up and running.also they use Worldclass Lundahl transformers and chokes ,which is the heart of any tube amplifier.
Wow , thanks for everyone here for your suggestions you are all really great, hope that i could suggest too, to someone else in the future.
There are a lot of options, i think, for mean time , till i change my mind again :), that i will focus on cat JL7 (although its above my budget , but will see ) or the audio research 160 M/S
Thanks again for everyone
I am no authority on tubed amplification since I have always needed big power for my speakers, and tubed power has always been too expensive. However, there have been a few amplifiers over the years that I would look at and say, "maybe this one." One example that caught my eye on USAM the other day is a pair of Manley Neo Classic 500 Tube Monoblock Amplifiers. They were still posted as of this morning. I cannot speak to the SQ of the Manley amplifiers but their amps have received various good reviews over the years and if you have a need for high'ish power, the seller says they output "500 watts of power in tetrode mode and 275 watts in triode mode."
I agree with the others regarding Coda. Even though you have a preference for tubes (I have also for most of my life), try to audition the Coda No 16 amplifier. I think in this very recent review, the reviewer nails it; the best of solid state coupled with the best of tubes (for the far less costly Coda CSiB integrated) without the heat and cost of ownership (tube replacement).