Serious Passive Preamp question


I have a Audio Research LS7 Line stage preamp and someone wants to trade me my AR LS7 for a serious passive preamp
Is anyone familiar with this company ?... I was told it retails for $2200.
 My  Amps are Class D wyred 4 sound mono blocks.
Opinions please.
rocky1313
I'd never owned a passive preamp until the Schiit Freya came along...the passive option is interesting, but the tube stage has the gain my single ended amp needs. The output switching feature in this preamp seems most useful (to me anyway) as a way to see what the tubes are doing...
ozzy62
  If your system is passive friendly, an active preamp is only going to color the sound further.  Now if this coloration is pleasant to you, you are golden. But I am of the mind that you are fixing something upstream that you don't like.
+1 ozzy62
I don’t believe ANY active preamp can better a "properly used" passive for transparency, dynamics, uncoloured sound and extension in both the highs and lows. Unless you need to purposely colour the sound with the coloration's that all active preamps give.

Just read what  rob67  with friends and family said in a 4 way shootout in a very expensive hiend system, when comparing a passive pre to these three active preamps.
 
Audio Reasearch  Ref5se preamp
Pass Labs  X2.5  preamp 
Bryston BP20 preamp

https://forum.audiogon.com/posts/1623297

https://forum.audiogon.com/posts/1623299

Cheers George    
@mrdecibel ,
I would agree with @cleeds . What is your passive preamp? Mine is a TVC as shown in my system page. I am thinking of a active tube just to try out in my system.
I don’t believe ANY active preamp can better a "properly used" passive for transparency, dynamics, uncoloured sound and extension in both the highs and lows. Unless you need to purposely colour the sound with the coloration's that all active preamps give.

Just read what rob67  with friends and family said in a 4 way shootout in a very expensive hiend system, when comparing a passive pre to these three active preamps.
 
Audio Reasearch Ref5se preamp
Pass Labs  X2.5  preamp
Bryston BP20 preamp

I've seen a number of active preamps be wider bandwidth and more neutral than the ones on this very short list! All that is says when a passive can beat these is just that and nothing more.

A more meaningful list would have over 100 preamps, all pitched against what is considered one of the best passives, with the results agreed upon by a much larger cross section of audiophiles, in a variety of systems.



As I have said before, a passive preamp can be a tool, but it really depends on your source/DAC and your amplifier.  If you have a DAC that is very fast and solid-state sounding, I think a passive is not really the right tool as you need an active preamp in the middle to help smooth and shape those hard-edged waveforms.   If you have a full Class A or tube DAC/source, then a passive could work well.