Shall I add a preamp to my setup?


I newly setup a system with Thiel CS 3.7 speaker, driving my Sim audio Titan 5 channel poweramp, source with Simaudio cd5.3, I am very excited with the 2 channel performance, but it seems lack of warmth of vocal and extension of high, not enough airly extensions, base is fine. I doubt my weakest link is the Sherbourn PT-7010A pre/pro, all the above new gear has pretty much break my bank, I wonder if I should squeeze the rest of bank reserve for a descent 2 channel preamp in order to solve the problem.....the other choice is a better CDP, can someone walked thru the similar path give me some advice?
grandetech

Showing 15 responses by grandetech

Thanks Jim for taking care of me newbie with such generous input. I am serious looking into getting a preowned tube preamp from here, hopefully spending like $2-4K to step in Tube world and get experienced as you suggest. Seems there are more choice on BAT than VTL currently listed, for VK5iSE, do you actually mean VK51SE?
Thanks Blindjim, replying to my ever first post, good inspiration.

May I know why specific TUBE preamp but solid state? What specific sonic nature do they different to each other?

I find my system is pretty fast (almost too fast), refine, big soundstage, dynamic, I compared to Dynaudio new sapphire, Watt 7, but mine lack extensions of mids and highs and air. Hopefully you know what I describe.
I am pretty lean to add a preamp now after speaking to some friends today, any suggestion for a preamp may work well to my system? Say under $6k.
Seems adding a Tube preamp is a pretty good advice here, however, I have a home theater, is there any good tube pre has bypass feature? I read Modwright Tgrisham mentioned, any other choices? BAT does not mention one in his web info, does anyone know if it does?

More advice is welcome. I am considering Sim audio P5.3 s.s. pre which cost me $4k.
I am new at Tube amp, how long do I need to change the tubes, how will I know if its done? Any other advice on handling a tube will be appreciated.
BTW, is it dangerous to buy a tube preamp used? Particularly not knowing the remaining life of the expensive tubes.
Blindjim,

Great piece of info for a tube newbie like me, appreciate for your time writing it thoroughly.

ARC has come to my attention when I looked at BAT, VTL...all big names, but how would I suppose to pick from them?
Hi Jim,

One thing pause me from buying a Tube pre, a guy just told me I will regret, tube pre will give me instant happiness for a while, after that, I will find there is lot of dynamic actually lost relative to a descent Solid state pre, unless I buy a very expensive one, otherwise tube is being limited on dynamics. $4k is not gonna make it there.
Thanks for all your input and finally the Cary tube pre is installed with excellent result, its more harmonic on vocal, strings, piano, bigger soundstage, singer step forward to me couple of feet, last but not least, more airy and less harshness.

If I have to improve, thats the slight tip in the highs (I know its Thiel) and lower the signal to noise level (I can hear it with volumn tune to zero from 3-4 feet away), hopefully the RCA VT-231 coming in with resolve a bit. Any thoughts of other?

Thanks Jim, I am using Cardas Golden ref now. Put on hold for speaker cable unless a good pair of SR AR/RR comes up in agon.
I finally getting a Cary SLP-05 tube pre to see what my system actually got, maybe also upgrade the speaker cable from some DIY to Analysis plus solo crystal oval 8, by then should know if I have to switch the speaker from there, hope not. God bless me :)

Any comment if AP speaker cable will fit the Thiel 3.7?
Thanks Jim. What is the characteristic of SR cable? Which one is good for a budget say below $1000 used?
Hi Jim,

Regarding the synergistic r speaker cable you recommended, which one has most warmth of vocal without losing detail in highs? I search a few listing in agon, not knowing the price very well, is there anyone worthed to buy for serious improvement? Email me if you don't want to put it on forum. Thanks.

Richard
I am ordering a pair of RCA VT-231 for +ve gain and mix rest by Sylvania vt-231, I might take your advice on pc later on, thanks, jim.
Asa, may I know how do you prefer Ken-Rads over Sylvanias?

I just love more and more to my system every single day, the SLP-05 is terrific in all area, hope rolling to the NOS tubes early next day will shine it up even more, I will let you know soon, thanks, ASA.

p.s. I don't mind the hiss at all, the music covers everything even no matter what volumn level. Jazz piano will bass and drums are top notch now...
update on tube rolling, Cary/Gerald has suggests to roll tubes on the buffer stage in priority, follow by the gain 4 tubes, so I am going to put the RCA vt231 pair in buffer stage and with sylvania vt231 to gain stage.

p.s. Thiel CS3.7 is such a revieling speakers, crap in crap out, with Cary tube pre, you get great resolution with terrifc warmth, muscical, I consider this is a true synergy and absolutely in love with the speakers now. I had A/B SLP-05 with SIMAUDIO P5.3RS, absolutely different league in terms of transparency and bass control, everything seems more clearer.