New preamp or other suggestions?


I'm really getting tired of the harsh sound of my system. At this point, I honestly would rather listen to music in my car than in my listening room. I've always chalked it up to a poor room layout (and that's not something that I can change), because this same system sounded UNBELIEVABLE in the dealer's showroom. For what it's worth, I've already treated the room with Echobusters panels, which helped quite a bit, but not enough to make the system sound really enjoyable.

Recently an audiophile friend suggested that a good tube pre might make the system more listenable. The current system is:

Source 1: CAL Icon MKII HDCD w/PowerBoss power supply
Source 2: Music Hall Fidelity CD-25 (stock)
Pre - Bryston BP-20 line stage (balanced to pwr amp)
Power - Bryston 4BST
Speakers - Thiel 3.6
Interconnect (pre to pwr, bal)-AQ Lapis or Nordost Red Dawn
Interconnect (CD to pre) - AQ Lapis, unbalanced
Spkr Cable - AQ Midnite X3

The system on the whole is currently lacking mid-bass (the terrible room strikes again) and has a harsh, in-your-face high end. Of the two sources, the CAL has a MUCH better bottom end, but is lacking detail and air at the top, and has a very "forward" presentation. The CD-25 has a much more detailed (and enjoyable) top and a wider soundstage, but light bass.

I listen mostly to pop, acoustic jazz and contemporary electric jazz.

My friend suggested picking up a used AR or CJ tube pre in place of the Bryston. Another friend suggested replacing the op-amps in the CD-25 with 627's to enhance its bottom end.

I'm a musician and not an audiophle, so I don't know if the advice I've received will fix the problem.... I'm also on a budget, but could swing $1-1.5K on a new/used pre if that would fix my problem.

Do any of you experts (and I mean that sincerely) have any ideas?
hoosierdaddyonline
I used to have your pre/power combination. I quite liked the BP20, and didn't find it too weak a link - the bryston stuff can be a bit clinical and dry though. Following the BP-20, I moved to Sonic Frontiers Line 3 and really noticed a huge difference. I'm now using Supratek Syrah, and again, notice a big step up from the Line 3. A good tube pre may very well be your ticket. Check out the thread on "Preamp deal of the century". A Supratek Chardonnay at $2.5k will likely offer you a huge improvement. I also agree with the two folks above though - speaker change may work well too.
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Ditto on the Tube preamp. It's certainly worth a shot and will tame the SS sound. Various amounts of tubeyness are available and you'll have to make up your own mind on that. Audio Research isn't tubey much at all and is my choice with my Marsh amp. If you buy used if you decide you don't like it you can get your money or close to it back and is my recommendation. If you have a dealer that will loan you pieces to try that's another good option as like I said there's many flavors. Once you try the tube preamp you'll wonder what you were waiting for.
A tube preamp may help, something along the Audible Illusions line. However, I also agree with Sogood51 & Gmood1, in that I've found Thiel speakers to be quite revealing. To some, including me, they can sound harsh or etched. Throwing tubes at them will help smooth them somewhat, but you may be better served trying other speakers. Try one with a soft dome tweeter, like a Sonus Faber, Vienna Acoustics or a Dynaudio.

Regards,
John
I am afraid that Thiels (in your room) are at fault here. Despite my admiration for 3.6, or any Thiel model, room interaction is crucial here. Quick fix to ad a "buffer" in some form of euphonic "magic tube" is wrong way about it. That kind of approach amounts to stuffing your ears with cotton to make your system listenable. Go back to your dealer, with dimensions of your room and drawn position of your speakers and system. He will probably help you to come to some long term solution.