Effective recommendations to add warmth & smoothness while keeping bass control


What are the most effective ways to add warmth or smoothness to the system while keeping bass punch and control? You could rank them as well and please provide examples?

1) Hybrid SS with tube buffer

2) Hybrid tube preamp stage with SS output stage

3) Tube preamp + SS amp

4) Tube amp

5) Class A SS amp with zero/low feedback

6) High bias Class A/AB with zero/low feedback

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I like the combination of a push pull class AB tube amp and sealed parallel subs and speakers. so no open ports. punch and warmth. 

@audphile1  How is your impression about CJ ET3?  Not SE model.  Do you agree with what the reviewers say about it?  I spot a deal but, according to the reviewers, it is an opposite side of sound I am after...  Thx.

https://hometheaterhifi.com/reviews/amplifier/preamplifier/conrad-johnson-et3-tube-stereo-preamplifier-review/ 

 

Likes

  • Exceptional dynamics
  • Airy, shimmering treble
  • Affinity for rock music
  • Strong, punchy bass

Would Like To See

  • A bit less of that airy, shimmering treble
  • Smoother frequency response, particularly in the midrange
  • Dual preamplifier outputs

That generation of cj is best when it is an SE.   The teflon caps are a worthwhile upgrade.   

Given what you’re looking for I’d be concerned the CJ may take away a little too much of the air/upper treble and would reiterate my recommendation above for the Backert Rhumba 1.3.  Another benefit I didn’t mention before is I believe you may have the option to have them upgrade it to the Extreme version in the future to bring it to a much higher level if desired.  Just my $0.02 FWIW.