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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. 
arcticdeth
arcticdeth's avatar
arcticdeth OP
1,572 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. 
arcticdeth's avatar
arcticdeth OP
1,572 posts
 
Help me understand what happened here, i posted this in cables also

i bought a rocketfish rf-acnt2 component cable,. The 30 pin for older ipods etc, with component cables and usb on other end. My volume seemed to go up about 5x as loud vs using the 3.5mm jack on ipod to rca to preamp.  Did i bypass the output of the ipod? Why did the bass, high, mids go up in volume 5 fold?  Holy crapper, this is amazing. I thought my cd cheapo sounded good,.  

Someone please explain. 
atmasphere's avatar
atmasphere
12,152 posts
 
You were running out the 1/8" headphone jack?

Yes, the connector bypasses that and the sound should be a lot better, no duh!
stringreen's avatar
stringreen
6,530 posts
 
I suspect that the sound that you are used to hearing has changed.   Perhaps the new equipment has better sound ...which doesn't mean it doesn't have good bass...just less pronounced than your previous one.  I would live with it for awhile to let my ears become accustomed to the new sound.  If you suspect its broken, send it back to whomever you got it from.   Personally, all my equipment is from the same manufacturer, so the oft change of incompatability, is never in question.
bubba12's avatar
bubba12
466 posts
 
Why on earth do people try to mix and match these pieces when highly skilled designers have done the work for you? it seems its just for the hobby of it.  Wouldn't the smart thing be to match the preamp and amp by brand? I'm a newbie so this is a real question.

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