Tube Mythbusters? - Page 7 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #61 of 63 Old 09-01-10, 06:29 PM
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ricklgt350
 
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Re: Tube Mythbusters?

Quote:
gsmollin wrote: View Post
I've heard the same complaint from a vinyl lover I know. He tried the phono input on his Elite AV Receiver and promptly changed it.
a few friends did a phono pre shoot out with a few different pre amps and liked a DIY SS one the best (with only one cart). we really didn't have anything fancy (late 50's tweaked tube pre, early 70's McIntosh, early 80's Hafler, DIY SS, and others) but it was fun to listen to the differences. Might have been some 70's receivers too.

I really want to build a phono pre based on the RCA handbook schematic but not a current priority.

I don't know much about the new AV stuff (my 5.1 is 5 tube mono blocks, a couple of pre amps and a powered sub) but I'd dial in the RC for the particular cart.
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post #62 of 63 Old 11-14-10, 02:56 AM
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angelo dimitriadis
 
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Re: Tube Mythbusters?

in a conversation with bob carver a couple of months ago, he made the statement that "you know, it only takes one tube to get that sound in your system". as i was talking about a sonic frontier hybrid preamp that i have, the sfl-1 which does just that. also as i was listening to his silver tube amps at carver fest, which does kill the talk of a average of 35wpc, the amps sounded well incredible. i thought about how much my ss carver tfm55's had a very simular sound, and if i did not know better, i would have said that those 20k vintage tube amps were indeed a solid state amp. as the discussion went on, the way bob described the interactions of a tube amplifier with the feedback of the speakers within a room and how all that interplay is what makes the entire experience magical. something that ss can't do by design. as i can't be quite as elaborite as bob, the room reflections that are picked up by the speakers that end back up int the tube amplifier to shape the sound a little more. also, if you ever want to take a ss amp and get it a little more tube like, then just add a 1 ohm 25 watt resistor inline with the speaker output to get either 85% or 95% (i forget which one he said) of what a tube amp would do. if you look at the sunfire and lightstar amps that he made, there is a current and/or voltage output on them. the resistor is what makes the difference. there are many reviews of these amps to be found. in my systems, 5.1 and two channel, i use a tube cd palyer to ss carver amps in both setups. first hand i can tell you, it is the pleasure that you get from listening to them that matters. the 20k tube amps did sound great, even awesome if i must, but it just made me realize that my 1k when new ss amps did much of the same thing (i could not tell that much difference really) and i have been enjoying them now for almost 20years. the biggest difference that i have heard recently is the addition of a jolida jd700mkII dvd unit with tube outputs as well as the normal, and a jolida jd100se cd player with the same tubes. when i compare it to the pioneer cld-704 laserdisc, yamaha dvs5750, toshiba sd3107 dvd, and yes even the carver sda-490t cd with tubes, they all have a darker, bass heavy sound that seemed to have a cloak or dampened sound as compared to the much more musical, tranparent and even a bit of bright sounding jolida's. the best part though as another member stated is that i will get some different tubes that will really make the cd and dvd unit magical. so, if that adds to the debate, there it is. oh, if anybody is interested, go to jolida.net for some awesome deals on their player's as well as other things tube in nature. cheers, angelo.
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post #63 of 63 Old 11-16-10, 04:50 PM
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Re: Tube Mythbusters?

Well, you could always get a Grant Fidelity DAC-09. It has five inputs including USB, coax and Toslink. It also has a switchable tube buffer, headphone output and a volume control. It can function as a preamp (great for computers) and best of all it costs $225.

Another option is the Emotiva XDA-1 at $299. It's absolutely gorgeous can function as a preamp and has a really nice aluminum bodied remote. Unfortunately it's already sold out and has no tubes.

ARC SP9 MKIII, VPI HW19, Rega RB300, Marcof PPA1, Shure, Sumiko, Ortofon cartridges: Marantz CD63SE, Yamaha DVD-S1800,, MSB Link D2A, Emotiva XDA-2, Accuphase T101 tuner, TEAC V7010, Emotiva UMC-200: Front speakers: Acoustat Spectra 22 ESL's, DBX223sx, 2 modified Dynaco MK3's, 2 12" Transmission Line Subs, Behringer DSP1124P, 2 Crown XLS-402 Rear speakers: Acoustat Model 1 ESL, Paradigm X-30, 2 Adcom GFA-545, Acoustat SPW-1 Woofer.
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