HUG - here for all audio enthusiasts


"This Harbeth User Group (HUG) is the Manufacturer's own managed forum dedicated to natural sound, realisable by controlling the confounding variables between tthe microphone and the listeners' ears.

For example, the design of and interaction between the hifi amplifier and its speaker load can and potentially will alter the sound balance of what you hear. To reproduce the sounds captured by the recording microphones, as Harbeth speakers are designed to do, you would naturally select system components (sources, electronics, cables and so on) that do not color the sound before it reaches the speakers.

Identifying components for their system neutrality should, logically, start with the interpretation and analysis of their technical, objective performance, as any and every deviation from a measurably flat frequency response at any point along the serial chain from microphone to ear is very likely to cause the total system to have an audible sonic personality. That includes the contribution of the listening room itself.

HUG specialises in making complex technical matters simple to understand, aiding the identification of audio components likely to maintain a faithful relationship between the recorded sound and the sound you hear. With our heritage of natural sound, HUG cannot be really be expected to guide in the selection, approval, endorsement or even discussion of equipment that is intend to introduce a significantly personalised sound to the audio signal chain. For that you should do your own research and above all, make the effort to visit an Authorised Dealer and listen to your music at your loudness on your loudspeakers through the various electronics offered there. There is no on-line substitute for that time investment in a dealer's showroom.

If you desire to intentionally tune your system sound to your personal taste, please consider carefully how much you should rely upon the subjective opinions of strangers. Their hearing acuity and taste will be different to yours, as will be their motives and budget, their listening distance, listening loudness and listening room treatment, not necessarily leading to appropriate equipment selection and listening satisfaction for you.

Alternatively, if faithfully reproducing the sound intended by the composer, score, conductor and musicians over your speakers is your audio dream, then understanding something of the issues likely to fulfill that objective is what this forum has been helping with since 2006. Welcome!"

Jan. 2018
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M40 vs M40.1

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  • #61
    Originally posted by Gan CK View Post
    Hi Rick, you are not only getting acquainted with the big guys but also getting acquainted with your music again. )
    That is the fact!


    • #62
      Update Luxman M-05 + 40s (prefer 40 bass to 40.1 bass)

      OK, the Luxman M-05 is finally finished and home, and I've just received my new stands...things are coming together nicely.

      I ended up purchasing 4 post Sound Anchor stands. I purchased and quickly sold a pair of used Foundation stands...I didn't like them at all, the bass performance was less then stellar with those stands under the 40's. I didn't proceed with the custom stands, the cost was prohibitive.

      My initial impression with the Sound Anchor stands exceeds positive, these stands make a big difference. I immediately realized improved bass performance, with all else being mostly equal I'm also happy to report the SA's look awesome under the 40's.

      My Luxman M-05 is a very nice match with the 40's, from top to bottom I'm extremely pleased.

      I wound up purchasing an Ortofon HMC 30 LOMC cartridge, I found my vinyl frontend a bit too laid back for the 40's, the Ortofon could be described as anti-laid_back, so it was a good move.

      The opportunity to compare the 40.1's directly with my 40's was never realized, but I will report that after numerous listening sessions with the 40.1's I do prefer the bass from my 40's. Overall they are both excellent speakers, but I'm not convinced the upgrade is an overall improvement...I suppose that's really a compliment to Harbeth either way you look at it.

      When I finally get everything in it's final resting place I will post further pics, I will also update specific to speaker AND system performance...but I love these speakers!


      {Moderators comments: Noted that you prefer the bass on the M40 to the M401. This surely proves two things - bass is personal and the room makes all the difference and is far outside Harbeth's ability to control.}


      • #63
        Win win with M40 or 40.1

        Originally posted by audio39 View Post
        {Moderators comments: Noted that you prefer the bass on the M40 to the M401. This surely proves two things - bass is personal and the room makes all the difference and is far outside Harbeth's ability to control.}
        I would include that the amp/speaker match is of great importance.

        The system in which I have heard the M40.1's numerous times has a pair of Pass XA 100.5 monoblocks, nice amps, liquid almost, but I don't find that they can control the large 12" driver in the M40(.1)'s.

        Again though, either way, from a consumers perspective it's a win a used pair of M40's and you get world class performance, buy a new pair of M40.1's and you get world class performance.



        • #64
          Bass and Tone Controls - reference recordings?

          {Moderators comments: Noted that you prefer the bass on the M40 to the M401. This surely proves two things - bass is personal and the room makes all the difference and is far outside Harbeth's ability to control.}
          Bass is one area that I find so difficult to put a standard. Every now and then, I find that for some tracks the bass is just right but for others the was either to much or too little. Even placing the speaker for a flat frequency respond in the music room still there seems to be no one answer to what should be the correct bass.

          The very first amplifier designers were probably right to include tone and bass control in their amplifiers. Now, we have to go through myriad of accessories such as cables, power conditioners, bass trap and others to have the same control that once was provided by the bass and tone control.

          Maybe, Harbeth could put a suitable recording with bass content and provide a guide how to accurately set up the speakers.



          • #65
            Sound Anchors - serious improvement over Foundation stands

            Spent a few more hours fiddling with the placement and toe in of my 40's on the Sound Anchors.

            Since placing the 40's on the SA's I have noticed changes in the sound that I wasn't expecting. I have moved the speakers a little further into the room and away from the back wall, I have moved them a little further apart, and I now have the toe in where I can just see the back corner of the speaker. I used to show about 2 inches of the back of the speaker, but since putting the 40's on the SA's I find this new resting spot better.

            So the obvious improvements...the bass is more "solid" and far less round. Drum beats are very real, very substantial. I'm also noticing things in the music, and music that I listen to frequently, that I have never noticed before. Separation of instruments and vocals is quite amazing.

            Compared to the Foundation stands these SA'a are a serious improvement...the Foundation's did not improve the bass in the way I have fact they were a step back from the home made stands I was using. They also didn't have the visual impact the SA's do, these stands are substantial and together with the 40's resting atop there is a visual synergy that makes you believe they were manufactured together - rather than from 2 manufacturers.

            Obviously I'm very pleased. I'll continue tweaking the position as I move forward, but damn these things are heavy.



            • #66
              Stand height

              Hi Rick, May I ask what height S.A. stands you purchased? -Frank-


              • #67

                They are 14"


                • #68
                  Stand height?

                  Originally posted by Groovetracer View Post
                  Hi Rick, May I ask what height S.A. stands you purchased? -Frank-
                  The Sound Anchor stands are 14" tall.


                  • #69
                    Taller stands

                    Getting back to the differences between the M40 and the M40.1, Robert Green (REG) has discussed this a bit on his forum (, since he owns and uses the M40s and has heard the M40.1s. One thing he would point out, I believe, is that if you are using EQ, you should be able to get either one to sound very much like the other. I would suggest (I do have the M40s) that if you find any problems with the bass reproduction in your room, you may want to try higher stands. The ones I use are 24".


                    • #70
                      M40s - no sub needed

                      Man Cave.jpg

                      I'm extremely pleased with the bass production from my M40's, I've never felt the need for a sub.