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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
 
I always had all buttons off!, no contra bass was ever used. 

 Even with all the extras off, I had more boomy bottom end with onkyo.   Strange.  

Will output put volts have something to do w it? 

Sanders is only 10 volts.  

Onkyo and B&K were min 17 or 21 volts for driving the amp. I was using more of the amp, compared to the sanders

?????
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arcticdeth's avatar
arcticdeth OP
1,572 posts
 
I will hook up my onkyo eq-540 equalizer, keep everything at 0 and just lightly boost the lower freq, just a little bit.  Hate using an equalizer, but I don't have a choice, the sound I'm getting from the preamp is remarkable to say the least. Mids/highs NEVER sounded so crystalline / accurate before. Onkyo, mids & highs were recessed quite a bit more. Not as clean.  

Maybe be its a trade off' lose a wee bit of bottom end, and gain exponentially in every other aspect. Worth it, sure is!!  Will let burn in for  2 weeks, will report back. Thank you all. 
lowrider57's avatar
lowrider57
5,418 posts
 
I have a thought, the Groneberg Quattro ref ICs may have more low-end extension than your current cables. But let them burn-in before making judgement.
 IME, installing Cardas Clear Light from my pre to amp added deeper bass and more weight to the sound.

You can also contact The Cable Company to find a low capacitance IC that has good low-end specs.
georgehifi's avatar
georgehifi
10,312 posts
 

"Will output put volts have something to do w it?"

No they both have enough volts, unless you had to turn them up full volume only still not to get to your listening level you wanted.


"I'm getting from the preamp is remarkable to say the least. Mids/highs NEVER sounded so crystalline "

This will nearly always be the impression, if as you say you have lack of bass.


Cheers George

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