Preamp for Parasound A21+ with Sonus Faber Venere 3.0 speakers

I have an A23+ I originally used with a Rotel preamp. I got a great deal on a new P5 from Parasound and grabbed it, assuming it would be a great match. To my dismay, it took the life out of my system. I was surprised but after a couple of weeks comparing, it went up for sale. 

I eventually got two other preamps, a Schiit Kara and an LTA MicroZotl MZ2. Both sound great and restored the transparency the P5 killed. Maybe the P6 is better. 

1)I assume your budget is around that of the P6 ($2000). Do you need all the functions provided by it?

2)Would you consider a used unit?

3)Would you consider a tube preamp?

If answer to 1 is yes and to 2and 3 is no then go for the P6. Otherwise you are open to far more options.

Get a Schiit Freya +...a superb preamp that's more fun than most anything else out there...defeatable tubes, inputs and outputs galore. I use mine (older version) with NOS GE 6SN7GTB tubes. Class A...you won't regret it.

I owned the A21+ and liked it. I found it a bit warm, so I used the low-cost neutral Benchmark LA4 preamp with it and thought it was a great combo. They have a 30-day home trial.

If you want a bit more warmth than the LA4, then my other preamp, the Holo Audio Serene would work nicely with the A21+. I use the Serene today with the CODA #16, which shares some sonic character with the A21+.

My third preamp is also rather good but very warm sounding and has no remote control. It is the new Class A Schitt Mjolnir v3. I like my other 2 preamps more, but the Mjolnir is surprisingly good.

All 3 suggestions can be found from $1300-$3300.

@yyzsantabarbara  Does the Holo Audio Serene have an HT Bypass? and is the display defeat able? I'm also considering a Sim audio Moon 740p, currently using a Musical Fidelity Ms8.