Best Preamp and Amp combination, interesting finding!!!


Hi all,

Yesterday, I decided to conduct a very interesting experience using my amp and preamp combinations. In the interest of fair discussion and also avoiding brand war, please allow me to conceal the name of the amps and preamps, knowing that both amps and preamps came from the same manufactures. The combinations are as below: 

Combination 1 (C1): $3000 preamp + $1000 amp
Combination 2 (C2): $1000 preamp + $3000 amp.

I went back and forth between C1 and C2 several times with multiple people, using the same speakers and DAC. The volume of both C1 and C2 was adjusted to be equal using my Db meter. 
At the end of the experience, almost everyone including me prefers C1. Which is a higher-end preamp combined with the lower-end amp. 
I was surprised by that finding. I always thought that the amp has a greater impact to sound quality, but my experiment proved otherwise. If you have any similar experiences, please let me know. I would like to understand why it happens that way. Why the preamp has a greater impact on the overall sound quality comparing to the amp?
128x128viethluu

Showing 2 responses by rbstehno

Why do you need a preamp? I eliminated my analog setup so I use my PSA DS sr dac straight to my amp. I think the amp is more important than a preamp: some of the speakers I have owned required a more powerful amp to get the best sound out of the speakers. You won’t find a quality amp for $1000. If an amp can’t power your speakers adequately, then it really doesn’t matter how a preamp sounds
oldaudiophile - your statement isn’t true for all cases. I thought the same way by owning nice integrated amps costing $6000 or more. With those systems I used more efficient a little smaller speakers. I upgraded my speakers to larger bigger speakers and the integrated amp couldn’t drive them. I ended up selling the integrated and bought separates with each component costing more than the cost of the integrated.

As for preamp or no preamp, I sold a newer $5k McIntosh preamp and went directly from dac to amp. Paul early on promoted going directly from his DS dac to the amp until they built a preamp and now he promotes using a preamp. I can’t say if his preamp does make it better sounding, I haven’t heard the combo,  I do know what I’ve experienced using another quality preamp vs not using 1