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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Question on original 90s Harbeth HL-P3 mid/bass driver

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  • Question on original 90s Harbeth HL-P3 mid/bass driver

    Hi. I'm from Malaysia. I have a HL-P3 from 1990s. Got it from my dad's system as he no longer uses it. This speaker has been with our family since I was still in school. It's very dear to me but recently my faulty amplifier burnt one of the driver unit! I do not want to resign to loose the P3. I've since sent the P3 to Sam of Tropical Audio to take a look but I know not much can be done since the driver model is also obsolete from Seas. But I am determined to revive it.

    I did not however had the chance to open the driver up to see what is the model. Could someone please kindly let me know and what is the impedance of this driver?

    My only option now is to replace it with the current Seas equivalent. I have emailed to Audio Components UK, a very helpful John Bryant has told me the P3 driver is P11RCY/P. Is he correct? He has recommended the closest replacement to the original is Seas CA12RCY.

    Just like to hear advise and opinion from Harbeth on this. Thanks very much in advance.

    {Moderator's comment: the alternative driver you mention will not work at all in the P3. Please don't waste time chasing that dream. The P3's woofer was custom made for Harbeth and includes, amongst other details, a very precise amount of added weight - a few grammes. You would be best advised to fit the woofer from the P3ES2 (we have plenty) which will at least have the same moving mass if not exactly the same acoustic parameters i.e. it will be as loud and not significantly louder than the original. Furthermore, comparing the Seas data sheet you show with the actual P3 woofer - the impedance is wrong (P3 is 4 ohm), the cone material is wrong (P3 is polypropylene not paper), the shape of the chassis is wrong (the P3 has a cut-square chassis , not round). So in every basic way the driver you show would be a terrible choice. Anyway, the current P3ESR is a far better speaker especially for clarity. }
    Attached Files

  • #2

    Thanks for that bit of info. Really appreciate it. My best option now is to see if the driver can be repaired as I have 2 other units with me which was previously changed out ( definitely not burnt ) due to some abnormality.