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Primaluna EVO 400 Amps/Preamp lacking bass impact

We have Primaluna EVO 400 preamp with 2 EVO 400 amps running monoblock. Focal Kanta No3 speakers. 

We were hoping for a bit more bass impact. rolling the tubes in both amps might be out of the range we would invest here. 

Mostly music but sometimes used in HT setup with SVS SB-4000 sub. since the sub has full bass management we could add that leaving the Focal full range and setting the sub for 50hz/24db. 

As long as it is okay to have both balanced and SE outputs from the preamp hooked up at the same time? always wondered about that. 

stobbe
stobbe OP
3 posts
 

Thank you @jimmy2615 

Since I posted, we tightened up the stands that were a bit loose and moved the speakers back to 30" from the wall and bass is better. 

the only issue with using the RCA preamp out to the SUB, is the LFE is shared, so would have to unplug and change cables for movies. unless I am missing something. 

they sound better and most likely will not bother with the sub for music listening.. 

 

imhififan's avatar
imhififan
2,211 posts
 

the only issue with using the RCA preamp out to the SUB, is the LFE is shared, so would have to unplug and change cables for movies. unless I am missing something.

One solution is install a line level A/B switcher

Or an Audio Activated Line-Level Automatic switcher.

 

christianb5s4
237 posts
 

I concur on speaker positioning. Even a few inches away from the wall can make a world of difference. I too have Kanta 3s and it took a lot of experimenting to nail it.

stobbe OP
3 posts
 

how far from the wall did you end up with?

both switchers are a great idea. SVS told me just to use a Y adapter from preamp SE out- 2 male RCA to one female and run that to R Line-in and keep the LFE on the L line in (either way actually) then just setup a 2 profiles on the sub. 

christianb5s4
237 posts
 

@stobbe in my room I ended up 36" from the wall.

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