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Best tube preamp for Quicksilver V4 tube mono's (newest KT150 version)

Just purchased a pair of Quicksilver V4 mono tube amps, the newest KT150 version.  Will be arriving this coming Wednesday.

http://quicksilveraudio.com/products/v4/

Single ended
Input impedance is 100 K ohms
Input sensitivity is 1.5 volts

Now need to purchase a nice preamp.  Would like to get the most 'bang for buck' by getting a very nice condition used pre-amp.

On my radar so far is:

EAR 868
Audible Illusions M3b or L3a
Herron VTSP-360

I have had 2 different AI M3a pre-amps in the past, so I am very familiar with Audible Illusions 'sound'... not sure what is the differences between the AI M3b and AI L3a, besides the M3b having  phono stage options and the L3a remote controlled volume?

No experience with Herron or EAR, but from what I have read EAR, if compatible, may be the best performing?

Suggestions greatly appreciated. 

Also would like to hear from other V4 owners.


Rick
128x128Ag insider logo xs@2xrich121
decooney
1,906 posts
 
"Kirk to Enterprise"

https://y.yarn.co/c8a528b9-3d20-43e3-8489-35fe18e96007.mp4?1585191626917

markhh2
26 posts
 
I’m using a Manley Shrimp with my mid mono’s. Sounds great, but else to compare it to.  
markhh2
26 posts
 
I’m using a Manley Shrimp with my mid mono’s. Sounds great, but nothing else to compare it to.  
audioconnection
1,270 posts
 
I would make sure you try the latest Quicksilver 12 AT7 line stageand put more into your front end. The AI preamps work well
 The new Aesthetix Palene 5 K Made in the USA with ala carte Phono and Dacs very sophisticated design, great performer and matches with Quicksilver V4s
decooney
1,906 posts
 
@audioconnection 
I would make sure you try the latest Quicksilver 12 AT7 line stage and put more into your front end....

Agree with @audioconnection - 
I recommended the same to a few friends in the past few months, and both of them are super happy with their new Quicksilver Linestage preamplifiers. 

One is now reselling his former preamp that retailed for 5x the cost of the QS line stage, will be putting money back in his pocket!  A majorly underrated tube preamplifier. With some really good vintage/NOS tubes, brings it to another level as well as both have confirmed. Both enjoy the soundstage presentation in particular.    

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