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Since its inception ten years ago, the Harbeth User Group's ambition has been to create a lasting knowledge archive. Knowledge is based on facts and observations. Knowledge is timeless. Knowledge is human independent and replicatable. However, we live in new world where thanks to social media, 'facts' have become flexible and personal. HUG operates in that real world.

HUG has two approaches to contributor's Posts. If you have, like us, a scientific mind and are curious about how the ear works, how it can lead us to make the right - and wrong - decisions, and about the technical ins and outs of audio equipment, how it's designed and what choices the designer makes, then the factual area of HUG is for you. The objective methods of comparing audio equipment under controlled conditions has been thoroughly examined here on HUG and elsewhere and can be easily understood and tried with negligible technical knowledge.

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The Moderators' decision is final in all matters regarding what appears here. That said, very few Posts are rejected. HUG Moderation individually spell and layout checks Posts for clarity but due to the workload, Posts in the Subjective Soundings area, from Oct. 2016 will not be. We regret that but we are unable to accept Posts that present what we consider to be free advertising for products that Harbeth does not make.

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{Updated Nov. 2016A}
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Harbeth Monitor 40.1 specific

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  • Re: Changes to Harbeth Monitor 40.1?

    I'm not sure what you heard but I'm seriously impressed that you can reliably hold the sound of a speaker system in your brain twelve months on! My (reliable) audio memory is about five seconds long! But thanks for the kind comments and we're pleased that you enjoyed what you heard with the M40.1.

    I can't accurately recall the history of the review pair that went to Art Dudley, but he was clearly very happy with them. I have a feeling that they were pilot production models with hand made crossovers (by me) using hand wound coils (by me) fitted (with some difficulty) on the older M40 printed circuit board. Production commenced when the custom made M40.1 pcb arrived and the small but important physical layout differences and spacing between the components (especially the coils) on the old v. new pcb had to be compensated for. If you are interested in how careful one has to be about the physical placement of inductors (chokes or coils) on the pcb look here.

    As a matter of policy, we do not like to make changes to 'flying' products. Sometimes though, suppliers unexpectedly cease trading and sometimes new materials/techniques/knowledge can be applied - and should be applied - to be sure that what leaves the factory today is the best possible manifestation of the design. But generally speaking, we really don't like to make any changes at all.
    Alan A. Shaw
    Designer, owner
    Harbeth Audio UK

    Comment


    • Re: Harbeth Monitor 40.1 specific

      The M40.1 I heard 1 year ago was a far cry from the recent production.

      I wanted to feedback that this recent production is absolutely outstanding.

      It might have been changes in components supply (better quality) that gave me an unbelieveable soundstage and depth. When u hear an unbelievable soundstage u remember for a long while. (It may have been my recent listening had the M40.1 properly positioned and coned to the floor compared to previously.)

      A proper PCB design is critical and with proper mounting of coils , it would reduce the noise significantly.

      Whatever that is keep it up. The M40..1 I heard in August 08 is no way in the class of the recent production. A good feedback to Harbeth to keep the supply chain status quo.

      (Robert Green would be damned as he may not have reviewed the latest and best M40.1.)

      Comment


      • Re: Harbeth Monitor 40.1 specific

        Hi m30,
        May I know did you heard the latest m40.1 with totally same setup and room as you heard the early production m40.1 one year ago?
        "Bath with Music"

        Comment


        • Re: Harbeth Monitor 40.1 specific

          Unfortunatley it is difficult to listen to identical setup. Rooms are different, so is the cables, source , amps and stand too.

          If I were to normalize the equipment, I would say 1 year ago it had much more expensive equipment, source and amps by a factor of 3x.

          Dave Wilson would call have christen such a change like calling it - Sasha. Alan Shaw keeps it incognito. Maybe Alan should have name it after his cat - like M40.1Pussy and spin some *** appeal and sell some 15,000 speakers (M40.1) like Dave Wilson does for the Watt Puppy.

          Comment


          • Re: Harbeth Monitor 40.1 specific

            Anyone listening to an M40.1 in August 2007 would have been listening to a prototype under development ('work in progress') as we didn't commence production until about Dec/Jan08. As I said, we really don't like to make changes to a speaker that's in production. Sales people always want the latest, newest product ready to market today so I want to be confident that we are ready.

            You will have noticed that we 'announced' the P3ESR at THE/CES Las Vegas in Jan09 and gave ourselves six months to being the speaker to market. Production commences this month.

            I must agree with you that the M40.1was definitely worth the huge mental investment that I made in the design over some years.

            P.S. Magazines have extremely long production timescales and the same knocked-about demo speakers tends to do the rounds.
            Alan A. Shaw
            Designer, owner
            Harbeth Audio UK

            Comment


            • Re: Harbeth Monitor 40.1 specific

              Hi,

              Was at our local dealer's showroom yesterday, he has M40.1 setup. Goodness in no time, i was so captured, engross into music. It is indeed a fantastic speaker! Makes my C7 sounds broken

              Cheers

              Comment


              • Re: Harbeth Monitor 40.1 specific

                Originally posted by sunshine View Post
                Hi,

                Was at our local dealer's showroom yesterday, he has M40.1 setup. Goodness in no time, i was so captured, engross into music. It is indeed a fantastic speaker! Makes my C7 sounds broken

                Cheers
                wait no further, you should upgrade to M40.1 at once!

                Comment


                • Photographs of M40.1 on Harbeth website etc.

                  Surprisingly there are people who count the number of screw heads visible around Harbeth drive units and then unfortunately draw wildly erroneous conclusions.

                  So, to the facts: the M40.1's Harbeth in-house made woofer needs eight screws to hold it in place on the baffle. The previous bought-in woofer used in the M40 needed only six screws. From the front, with the grille removed, if you are the sort of person who counts screws, you just might notice the difference between six and eight screws. It never crossed my mind: I'm too busy. Until you are up really close, you wouldn't notice that the woofer's cone/surround is also slightly different because we deliberately designed the M40.1's Harbeth 12" to look cosmetically similar to the original M40 woofer so as not to draw attention to the change.

                  In my opinion there was no need to waste thousands of dollars on new photography with the inconvenience of taking these big heavy speakers to the photographer's studio (with risk of damage) when we can re-use the M40 photographs from our professional photo-library. And that's exactly what we've done. When we're ready, we just might arrange a photo shoot for several models to make it worthwhile. That's the explanation.
                  Alan A. Shaw
                  Designer, owner
                  Harbeth Audio UK

                  Comment


                  • Re: Photographs of M40.1 on Harbeth website etc.

                    Originally posted by A.S. View Post

                    Surprisingly there are people who count the number of screw heads ...........
                    Its really interesting......... My only question is, when those people listen the music, whilst wasting the time with screw counting ???

                    Comment


                    • Re: Harbeth Monitor 40.1 specific

                      I've had my Harbeth Monitor 40.1 loudspeakers now for a while, and have really been enjoying them.

                      I have been having some problems with too much bass output with the majority (but not all) of electronics I have tried with them, and even with the ones that have been in the acceptable range bass balance is a wee bit more plentiful than I would like.

                      I tried placing some wood disks between the speakers and my Skylan stands, and that helped with the previous electronics I was using - not perfect but better. Today out of curiosity I placed a combination of Acoustic Revive RIQ-5010 & RIQ-5010W Quartz Insulators between the speaker stands and speakers, which produced a noticeably more nicely balanced bass response, so I thought I'd pass that tip along to any other M40.1 owners that are experiencing similar issues.

                      Also, if anyone has any tips to share in this department I'd love to know about them. Makes me lament the disappearance of tone controls from the world of enthusiast audio.

                      Kind regards,

                      Jeff

                      Comment


                      • Re: Harbeth Monitor 40.1 specific

                        Hi Jeff,
                        Stands are very important with all stand mounted speakers and I have found that the best stand by far for the Harbeth range is an open frame type of stand. The heavy, solid stands do sound a bit like they look - fat and heavy.

                        The stands I have settled on are from a tiny company who specialise in custom built stands, so I have bought them to match my P3's, 5's and 7's, they are working on a pair for my 40.1's which I have just ordered. The stands are from Something Solid and whilst they might not set the World alight with the aesthetics, they do the biz as far as sound is concerned and they are very reasonably priced.

                        Your tip is very useful for anyone with a heavyweight stand.

                        Comment


                        • Re: Harbeth Monitor 40.1 specific

                          Originally posted by hifi_dave View Post
                          Hi Jeff,
                          Stands are very important with all stand mounted speakers and I have found that the best stand by far for the Harbeth range is an open frame type of stand. The heavy, solid stands do sound a bit like they look - fat and heavy.

                          The stands I have settled on are from a tiny company who specialise in custom built stands, so I have bought them to match my P3's, 5's and 7's, they are working on a pair for my 40.1's which I have just ordered. The stands are from Something Solid and whilst they might not set the World alight with the aesthetics, they do the biz as far as sound is concerned and they are very reasonably priced.

                          Your tip is very useful for anyone with a heavyweight stand.
                          Hi Dave,

                          Thanks for the tip - appreciated. When you get the stands you ordered could you post your impressions and a photo? I'd be interested in following up with Something Solid if you have an e-mail contact for them.

                          Kind regards,

                          Jeff

                          Comment


                          • Re: Harbeth Monitor 40.1 specific

                            Also note that Custom Design (UK company) makes open frame stands for Harbeth speakers, in any custom size.

                            Comment


                            • Re: Harbeth Monitor 40.1 specific

                              Hi Jeff,
                              My 40.1s are on Skylan stands and I found that by incorporating Star Sound Technologies' Audio Points, coupling disks, and micro bearing steel it firmed the bass quite nicely.
                              I also found that when I switched my ics and speaker cables to Kubala Sosna Emotions it resulted in additional improvements in this area.
                              If I recall I think Star Sound has a return policy so it might be worth a try.
                              Hope this helps and best of luck in finding what works for you.
                              Regards,
                              Ron

                              Comment


                              • Re: Harbeth Monitor 40.1 specific

                                Thanks for the tips Ron!

                                Best,

                                Jeff

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