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  • Potential down size....

    So, I run Classic 100ASLs, C6CA, C6 sub and a pair of the passive 20s. There is nothing I really want more from this system other than time to hear it in its full glory!

    That all being said, I’ve shoe horned in this large system into a space roughly 7x4.5 and have all the speakers close to one wall or another. I’ve said elsewhere, I am breaking all the basic rules of sensible set up and have to compromise via use of EQ. That does not bother me too much but I can’t get away from the fact that this is a big physical dominating system in a small/medium (and critically) shared space. I also hide the C6CA in an enormous multi purpose AV unit. Reducing the AV unit to something smaller would also be beneficial. Floor standers would also win me many many brownie points.....

    Perhaps with lockdown I’ve had too much time on my hands to mull things over however I am wondering if I can achieve a very close sound to what I have but by using smaller speakers, in terms of the front 3.

    So my (very first world) question to anyone out there - have you felt compelled or have needed to downsize from large ATCs to smaller ones? If so what did you go from to?

    At the moment I wonder if 3 x40As would be a good move. I’ve never heard them but I think I will have to organise a demo.

  • #2
    In terms of visual impact, the SCM40A's would be much much more discrete, and would seem to be adequate in a 7 x 4.5m room, unless you have very tall ceilings - especially given that you already have the sub.

    Why are you not considering 50ASLs or 50ASLTs? These are going to be a fair bit smaller than the 100ASLs, obviously, and for some reason the Tower versions look (to me) to be slimmer than the non-Tower version, even though they are almost exactly the same width.

    Comment


    • #3
      Thanks - not ruled anything out yet, including the 50!

      Comment


      • #4
        Puuuhh... i think i must be hard to think about downsizing !
        Because in the " High-End scene" we always like to have more.😉
        But there are situations when less is more.
        When i bought my SCM20, more that 25 years ago, i was , after a short time, in the situation that i was sitting totaly satified before my stereo.
        This "mood" is, from my point of view, the holy grail of music listening. Because we all want to listen to our music relaxed and enjoy it without questions.
        If you are always asking, is that good or might it be better this way, you can´t enjoy !!
        I had a Marantz quadro reciever in former times with four ProAc tabletts.
        Man.. i can´t tell you how often it went to the reciever to level the channels. From that time i praise the calibration in modern equippment. It is like it is, it has to be controllend a few times, but than it is good, and thats it !
        Sorry my english is limited to declare it complete understandable.
        So if you have doubts, than it is time for a change !
        Maybe only a proffesional acustical room improvement will help to get you satisfied.
        The only thing about downsizing i have to tell is, when i changed from the 20ies down to the 10th there might be a little bit more transparence in the sound, but i missed the deeper frequencies. So the sound is transparent but thin. ( in a 16sqm room !!) So i go back to the 20ies !
        But this is no measurement for your problem ! So it won´t help !
        I know that you take care of your speakers and gave them an upgrade at ATC. Maybe your room needs the same attention ?
        But , as we all know, there is a wife and a family that have to endure our "hobby", and it´s not easy to find compromises.
        I wish you good luck !!
        Last edited by Mariner; 04-30-2021, 08:55 AM.

        Comment


        • #5
          Originally posted by Mariner View Post
          Puuuhh... i think i must be hard to think about downsizing !
          Because in the " High-End scene" we always like to have more.😉
          But there are situations when less is more.
          When i bought my SCM20, more that 25 years ago, i was , after a short time, in the situation that i was sitting totaly satified before my stereo.
          This "mood" is, from my point of view, the holy grail of music listening. Because we all want to listen to our music relaxed and enjoy it without questions.
          If you are always asking, is that good or might it be better this way, you can´t enjoy !!
          I had a Marantz quadro reciever in former times with four ProAc tabletts.
          Man.. i can´t tell you how often it went to the reciever to level the channels. From that time i praise the calibration in modern equippment. It is like it is, it has to be controllend a few times, but than it is good, and thats it !
          Sorry my english is limited to declare it complete understandable.
          So if you have doubts, than it is time for a change !
          Maybe only a proffesional acustical room improvement will help to get you satisfied.
          The only thing about downsizing i have to tell is, when i changed from the 20ies down to the 10th there might be a little bit more transparence in the sound, but i missed the deeper frequencies. So the sound is transparent but thin. ( in a 16sqm room !!) So i go back to the 20ies !
          But this is no measurement for your problem ! So it won´t help !
          I know that you take care of your speakers and gave them an upgrade at ATC. Maybe your room needs the same attention ?
          But , as we all know, there is a wife and a family that have to endure our "hobby", and it´s not easy to find compromises.
          I wish you good luck !!
          Thanks for your thoughts Rudy! No rush or pressure. Just experimenting and researching views. The objective here is to improve the physical look, which means smaller and more narrow speakers. Sadly room treatments are not an option.

          ps are you still searching for some 50as, there is a uk seller who is trying to move some on ebay, as well as many others including 150s!

          Comment


          • #6
            AlistairH, I empathise with your dilemma.

            Have you considered culling your system? Keep the SCM100asl speakers and sell the sub woofer, surround speakers and the AV gear and revert back to pure stereo. You should make some money from the sale of your unwanted gear and have fun doing it.

            My room size is around 6m x 5.5m. I have limited space for my SCM100asl speakers to sound their best, but they work well in my room without any help. I found it quite easy to position my speakers in the room for the best sound without electronic help. A simple setup is best.

            If I tried to squeeze surround speakers and a sub woofer in, I would cramp the room as well as the sound, My SCM100's do so well when performing musical duties as well as reproducing bluray soundtracks - all without a sub woofer.

            Comment


            • AlastairH
              AlastairH commented
              Editing a comment
              That does sound interesting however I do use the big centre for music (Trifield). I do value the centre a lot.

              I do understand your point though, culling the multichannel elements would free up space ‘just’ leaving the 100s.

          • #7
            This ramble may or may not help but one way to think of right-sizing kit is relative to the size of the room.

            With ATC, I think once you get to the SL 'speakers you can look at choosing the right one from the PoV of "how loud will it play?" more than "how low will the bass go?".

            That's not about annoying the neighbours. If a 'speaker can play loud then all being equal it will produce less distortion at a "reasonable" neighbour-friendly average sound level. And then it also handles transient peak levels properly which can reach 100x average (20 dB). AIUI the bigger the room the higher the level the 'speaker must produce to sound right. With this view the SCM100 will play 3 dB louder than the SCM50 and will drive a bigger room. Unfortunately, the question I really don't know how to answer is "what's the right size for any particular room?"

            I have a 6.7m x 3.5m room. The lovely-sounding two-way Proacs I had seemed to make me edgy if I turned up the volume beyond a certain point that was only just enough for normal. I chose the SCM50A over the fairly similar footprint SCM40A on the view that the more sensitive S-spec midrange needed less power to get the "reasonable" sound level I wanted (and a bit more to spare for occasions) and should play more cleanly. Since I didn't spend a long time with the SCM40A I don't know if I was over-specifying or being sensible (but I haven't regretted for one moment spending more on the SCM50As; they certainly play much more cleanly than the Proacs I had).

            As for the bass, after adjusting 'speaker positions there's good response from the SCM50s down to a surprising 20 Hz (vs the goal of 27.5 Hz I was aiming at - the bottom note of a normal 88-key piano). Close-miked piano now sounds so much better. I suspect SCM100s in this room would sound little different to SCM50s.

            The point of the above ramble is if you go too small you may lose the superbly clean mid-range (and bass) of the ATC SL range. But maybe the smaller ATC professional SL 'speakers such as the SCM25 (or even SCM20) will maintain the sound and match the room size. And outside the ATC range maybe professional monitor 'speakers with great SPL capability (e.g. the Neumann KH 310 A - which I haven't heard) might fit the bill. And Neumann has the matching KH 750 DSP subwoofer.

            Comment


            • AlastairH
              AlastairH commented
              Editing a comment
              Thanks for your insights.

              For sure I think the 50s would be more than good. The 100s get significant room gain beyond their specs in the bass, the 50s would also benefit in this way. I listen to piano too however I jump around in my music choices and also listen to a lot of electronic bass heavy music.

              I shall try my passive 20s as front channels when I can shoe horn the family out of the door one upcoming Saturday afternoon :-)

              Larger Adam Audio’s (I have some T7s) and Neumann are for sure of interest. Just not convinced they will meet the bosses visual approval standards. Slim Meridian floor standers get the thumbs up, the 40As did not, which was a surprise!

          • #8
            The SCM100s go very low, but the SCM50s go low too. In smaller rooms, I reckon it would be hard to tell the difference between the two. In bigger rooms the SCM100s start showing a clean pair of heels to the 50s. If the 50s won't fit, the 40As would be my next choice. The 40As still go nice and low and I personally wouldn't worry about a sub with these. It's nice ATC gives us so many choices. I've never heard a bad ATC speaker. It's win-win all around.

            Comment


            • #9
              Good points. I am going to hear a pair of 40As tomorrow.

              Comment


              • #10
                The 20 Pros would have the advantage of the top drivers used and a discrete amp.

                Comment


                • #11
                  I know of someone who had 3 full range active Meridian DSPs (the 6k 96/24) in a dedicated room but switched to 3 20 active pros, supplemented with 15 inch subs. He is very happy!
                  My first active atc was in fact the original pro 20asls, serial numbers 5 and 6, I remember them well 😀

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