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New preamp, loss of low freq.?

Hooked up new preamp, and I lost what I think is some low freq slam. Reasoning behind this?
i have been rewarded with the best cleanest, accurate midrange/highs I have ever heard, but did lose some low frequencies.      Normal?  

Sanders preamplifier is the new addition. 

Should i I hook up my equalizer to  smooth out, and add some low freq. 

it it is recording dependent, I still feel I lost some bass when sanders is in the mix. 

Not complaining, this has completely opened up my energy rc-70's, I have never heard these sound so loud, so clear before.   It's I feel I lost a few octaves in the lower register. 

Better? Leave it, I can definitely get used to this sound, as before it was a small bit boomy, maybe I just need time to adjust, and to let the pre warm up for a couple weeks. 

thoughts, recommendations, tweaks? I suppose I could move the speakers a little closer to the wall, this may add a little more bass. 
arctikdeth
arctikdeth's avatar
arctikdeth OP
99 posts
 
I get my volume, and then some, as well as bass, and everything I need!!! I have zero more to say about the bass, sound of my system. I have found my last amp, preamp for my ref system. Cables and CD player are on Santa's list, and time to re-import all 3000+ cd's in lossless.  I wish those 1TB iPods weren't a f'n thousand dollars though, would love to have that, using iPod is so convenient through stereo.  


arcticdeth's avatar
arcticdeth
179 posts
 
Changed a letter in my screen name. Same ol me. 

\m/
dhl93449
438 posts
 
I had a similar experience. Rebuilt some circuitry in my Parasound JC-1 power amps, and the midrange detail was significantly enhanced. But it appeared I had lost bottom end. All my Parasound equipment is direct coupled and uses DC servo controllers (no coupling caps).

I put a wide band pink noise source on the power amps and they were dead flat to below 10 Hz. So all I can conclude is the enhanced upper end detail has shifted my perception of a thinning bass, but it is not there in reality.
atmasphere's avatar
atmasphere
7,068 posts
 
This is a really good example of how the MP-3 is killing music :) People think that the bass out of an MP-3 player is how it should be, and it just isn't.

High End audio isn't all bells and whistles generously polished with snake oil... The fact of the matter is that you can hear more with good high end equipment and the problems with mid- or lo- fi suddenly become really obvious!
arcticdeth's avatar
arcticdeth
179 posts
 
Yes!  Playing a cd i do have a little more bass. But i think the pre is slightly voiced to mid /high freq, for sanders electrostatic speakers which require this for the panels to become crisper.  Just my opinion. 

The pre is very neutral/accurate.  I think it may work better on my cerwin vega d9's which are boomy, maybe a good combo, im also looking at the para p-5 and nad 165bee pre.  1k each. Might help with the bass with my ref system. 
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