2. amps-preamps
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Will upgrading my amp for el34s to kt90s help?

Hello all, I have a rogue audio atlas amp with el34s. I find that the bass comes up short in comparison to my solid state integrated amp (peachtree decco). On my current setup I use my peachtree decco (used only as a preamp & dac). The atlas magnum upgrade incorporates kt90 tubes as well as various upgrades to the power supply. Output is boosted to 90wpc, however will this help my lack of bass issue? Additionally the stereophile review on this amp holds true so far, it is very hard to hear everything going on in gorecki's 3rd Symphony.
Thanks
-Kamak
briankamak
marakanetz's avatar
marakanetz
5,473 posts
 
What speakers are you using?
It might work for you if you connect your integrated and your Rogue in biamplification through the active crossover with better cost efficiency vs. upgrading to KT90.
You can also consider to get tube model with larger power once again vs. money you've allocated for this upgrade.
tpreaves's avatar
tpreaves
2,515 posts
 
I have heard the Cronus integrated both regular and Magnum,the Magnum upgrade did wonders for the sound in all areas.The Atlas is the power amp section of the Cronus so similar results should be heard.Try to listen to an upgraded Atlas if at all possible.
marakanetz's avatar
marakanetz
5,473 posts
 
I saw the price for that deal which is near 1.4k for 1 hour effort. I would go to DIY recipes and find it rather simple and save big$$$.
briankamak OP
1 posts
 
I have polk tsi400 speakers (insert laughter). They can accept biwiring, I'm not sure that I can run the integrated at the same time that it is functioning as a preamp. I will give it a shot and tahnks again. Let me know if you have any other suggestions. The atlas upgrade costs $600 with the new KT90s. I don't mind spending the money if it assures me an increase in bass!
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