Solid State Power Amps

The availability of Chinese copies of some of the great European amplifier designs like Dartzeel NHB108 and FM Acoustics 300A has made spending that sort of money on an amplifier redundant.Class D was supposed to do the same but from what I have heard it falls well short.You are better off buying a Chinese clone/copy and spending the other $23,000 on room treatment and speakers.Plus I suspect the copies will sound better than most of those $25,000 amplifiers.$40,000 might get you something better- [the real thing].

If you must do it at least buy something with premium build quality and service support like Accuphase.

There is a massive amount that can be achieved with $25k, limiting it as a spend on an Amp' only, is parting with a substantial amount of 'Mark Up' for somebody.

One will get many short lived friendships fast making such intentions known publicly. 

$5K will discover an exceptional Amp' , the task will require footwork.

Footwork can introduce one to individuals who become friends that develop into ling time sharing of an interest,

I suggest trying to learn if a Neurochome Power Amp' can be used for a demonstration, the most bespoke built, will still leave $22K in the coffers.

FTR, I have heard Neurochrome in A/B Comparison to $50K Soulution Amplification, using a System inclusive of the Soulution Amplification that has a value of approx' £200K. No real winner between the Two Amp's was to be  easily identified, if it were a contest.  

Soulution as an Amplification can easily be added to your shortlist if in there were models produced to suit your price range. 

Best SS amps I heard, used and would recommend:

1) FM Acoustics

2) Harmon Kardon XX

3) HK Citation 16 modified

4) Spectrum (Spectral) what ever the spelling is - modified

Happy Listening.

I love my BHK 300s.. Fast , accurate and just breathe so much life into the music. Be aware they are not entirely solid state as they have a tube section. PS support is top notch

I have a Cary Audio SLP-05 preamp with Sonus Faber Serafino speakers. I had a pair of Primaluna Dialogue 7 tube amps. Changed to Musical Fidelity M8-700M mono blocks. Can't imagine anything sounding better. The Musical Fidelity amps are fully balanced, differential reference, 700wpc into 8 ohms, 1300 into 4 ohms. System sounds incredible.