Vintage RTA vs SDA -- which ones are better?

Mystery
Mystery Posts: 2,546
edited May 2012 in Vintage Speakers
I saw few of those pop up in local CL.
SDA 2 for $300 and RTA 12T for $350.
5N55E65Je3Eb3L93Hdc5hde1d495da8981485.jpg


What's the general consensus on which ones are better?
Not only these model but overall RTA 12T, 15T vs SDA 1b, c etc...
Is RTA effect drastically different than SDA effect?

Klipsch RB81, KG3.5, B&W DM602.5, Polk.
Subwoofers: Klipsch RW10, Triad ProSub Bronze.
Post edited by Mystery on

Comments

  • pitdogg2
    pitdogg2 Posts: 25,589
    edited May 2012
    Mystery wrote: »
    I saw few of those pop up in local CL.
    SDA 2 for $300 and RTA 12T for $350.
    5N55E65Je3Eb3L93Hdc5hde1d495da8981485.jpg


    What's the general consensus on which ones are better?
    Not only these model but overall RTA 12T, 15T vs SDA 1b, c etc...
    Is RTA effect drastically different than SDA effect?


    My personal opinion is I'll take SDA any day all day and twice on Sunday...But I'll never kick an RTA series out of my house. Both are very good but different speakers.
  • EndersShadow
    EndersShadow Posts: 17,593
    edited May 2012
    I tend to see the SDA's recommended over the RTA all day long. Specifically the 1C's if you can find them. Not familiar at all with the SDA 2's so will let the experts chime in.
    "....not everything that can be counted counts, and not everything that counts can be counted." William Bruce Cameron, Informal Sociology: A Casual Introduction to Sociological Thinking (1963)
  • chandler9a
    chandler9a Posts: 878
    edited May 2012
    I'd take the SDA's but if you are not into that kind of sound, the RTA's would be a fine choice.... They are just two different to compare I believe.
  • heiney9
    heiney9 Posts: 25,198
    edited May 2012
    I would say SDA's but later SDA's get a larger nod over early SDA's. Which SDA 2's are you talking about?
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
  • heiney9
    heiney9 Posts: 25,198
    edited May 2012
    The RTA12 is a completely different animal than the RTA8, 11 and 15. So which RTA's are you talking about?
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
  • Mystery
    Mystery Posts: 2,546
    edited May 2012
    Thanks for replies.
    Not buying immediately but wanted to get more information to jump in if something shows up in my range.
    I saw few RTA 8T, 11 and now 12T showed up. The 12T looked like SDA or monitor 10 but RTA8 looked like tower speaker.
    I have not heard RTA neither SDA so no idea on their effect.
    There was one SDA 2B I think few weeks ago that's gone at $300.

    Klipsch RB81, KG3.5, B&W DM602.5, Polk.
    Subwoofers: Klipsch RW10, Triad ProSub Bronze.
  • heiney9
    heiney9 Posts: 25,198
    edited May 2012
    I am not sure what you mean by a "12T" .

    Do a search this has been covered umpteen times before (the differences)

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
  • Mr. Bubbles
    Mr. Bubbles Posts: 736
    edited May 2012
    I have both the SDA 2A and the RTA 12. I am not sure exactly which version of the 12 I have. They both sound great. Overall I prefer the SDA2A to any other speaker I currently own as a whole. It is hard to compare the SDA to most anything else as it is a totally different animal when sitting in the sweet spot. If you will be sitting in one location and listening, I would go for the SDA, no question. if the seating will vary somewhat, the RTA12 may be just as good but probably no better. If the SDA is cheaper then all the better.
    If con is the opposite of pro, is Congress the opposite of Progress?!


    Monitor 5Jr, Monitor 5, RTA12, RTA 15TL, SDA 2A, 1c, SRS 2, 1.2TL, CRS, Atrium.
  • heiney9
    heiney9 Posts: 25,198
    edited May 2012
    The SDA 2B would be the prefered model 2 to get, preferably the pin/blade. Yhey have better drivers, can be TL'd and used with the AI-1 for non-common ground amps. The cabinets look nicer and are built better, the x-over is simpler as well.

    As much as I have liked the RTA 12's I have heard, I much prefer the SDA's.

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
  • Mystery
    Mystery Posts: 2,546
    edited May 2012
    Okay then, SDA it is that I'll look for. :)

    Klipsch RB81, KG3.5, B&W DM602.5, Polk.
    Subwoofers: Klipsch RW10, Triad ProSub Bronze.
  • nhhiep
    nhhiep Posts: 877
    edited May 2012
    get the SDA, if you don't like it. then don't use the cable, which making them as normal stereo speakers.
  • Joe08867
    Joe08867 Posts: 3,919
    edited May 2012
    actually it doesn't work that way nhhiep.

    I would say SDA's all the way. RTA's are nice but SDA's are better.
  • heiney9
    heiney9 Posts: 25,198
    edited May 2012
    nhhiep wrote: »
    get the SDA, if you don't like it. then don't use the cable, which making them as normal stereo speakers.

    Nope, they aren't normal stereo speakers with the cable removed. If one doesn't like the sound of SDA's, sell them and get something else. Removing the cable doesn't make them like other speakers, especially in the earlier versions of SDA's.

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
  • drumminman
    drumminman Posts: 3,396
    edited May 2012
    Don't know if there's such a thing as an RTA 12T. At least, I've never heard of it.
    "Science is suppose to explain observations not dismiss them as impossible" - Norm on AA; 2.3TL's w/sonicaps/mills/jantzen inductors, Gimpod's boards, Lg Solen SDA inductors, RD-0198's, MW's dynamatted, Armaflex speaker gaskets, H-nuts, brass spikes, Cardas CCGR BP's, upgraded IC Cable, Black Hole Damping Sheet strips, interior of cabinets sealed with Loctite Power Grab, AI-1 interface with 1000VA A-L transformer
  • Mystery
    Mystery Posts: 2,546
    edited May 2012
    drumminman wrote: »
    Don't know if there's such a thing as an RTA 12T. At least, I've never heard of it.
    Yes, you are correct.
    It's only 12. :neutral:
    http://denver.craigslist.org/ele/3021034708.html

    Klipsch RB81, KG3.5, B&W DM602.5, Polk.
    Subwoofers: Klipsch RW10, Triad ProSub Bronze.
  • Dawgfish
    Dawgfish Posts: 2,554
    edited May 2012
    I've owned RTA-12Bs and modded SDA-1Cs in the past. I currently own a set of SDA SRS 2's. Overall I agree with what the others are saying, I personaly prefer the SDAs but the RTAs are quite nice in their own right. RTA-12s sound especially nice with vocals, jazz, and accoustical music. If that is what you are listening to mostly, they are a great choice and outperform many modern speakers being produced today. If the right deal shows up I wouldn't turn my nose up on some RTA-12s. The price for the RTAs in the ad you listed is a little on the high side, but they appear to be in excellent to mint shape. I would try to listen to them if you could and see if you could talk him down to $275 to $300ish if you like how they sound. My dos centavos for what it's worth (I guess dos centavos).
  • heiney9
    heiney9 Posts: 25,198
    edited May 2012
    Mystery,

    If you can do a search (the search function is poor) member named Geppy has done a lot of archiving of the various models in the RTA12 line. But I agree with Dawgfish, if the right deal comes up for a nice pair certainly give it some consideration.

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
  • Mystery
    Mystery Posts: 2,546
    edited May 2012
    heiney9 wrote: »
    Mystery,

    If you can do a search (the search function is poor) member named Geppy has done a lot of archiving of the various models in the RTA12 line. But I agree with Dawgfish, if the right deal comes up for a nice pair certainly give it some consideration.

    H9
    Will do. Thanks for all your comments.

    Klipsch RB81, KG3.5, B&W DM602.5, Polk.
    Subwoofers: Klipsch RW10, Triad ProSub Bronze.
  • drumminman
    drumminman Posts: 3,396
    edited May 2012
    My modded 12C's are outstanding. They present a huge soundstage with great center imaging. Though not quite at the SDA level, they're nevertheless impressive.

    Though unmodded ones probably sound pretty good, the ones you've provided a link to are gonna need some work, as in new caps an resistors. Those components are 30+ years old so they're well past their "use by" date. Xovers in the 12's are somewhat complicated, so they use lots of components, = $. I would factor in the cost of upgrades when thinking of making an offer.
    "Science is suppose to explain observations not dismiss them as impossible" - Norm on AA; 2.3TL's w/sonicaps/mills/jantzen inductors, Gimpod's boards, Lg Solen SDA inductors, RD-0198's, MW's dynamatted, Armaflex speaker gaskets, H-nuts, brass spikes, Cardas CCGR BP's, upgraded IC Cable, Black Hole Damping Sheet strips, interior of cabinets sealed with Loctite Power Grab, AI-1 interface with 1000VA A-L transformer