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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Rogue Audio amplifiers with Harbeth

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  • Rogue Audio amplifiers with Harbeth

    One of our two local dealers of Harbeth products in Montreal often demo them with Rogue Audio products. These are vacuum tubes amplifiers designs made in the USA. The first time I heard Harbeth, C7ES3 and SHL5, they were powered by a Rogue Audio Cronus integrated amplifier using EL34 tubes. The sound was superb! Do any other HUGers have some feed-back from that Rogue Audio and Harbeth combination?


  • #2
    Hi Sebastien. I was wondering if you could tell me what 12ax7 and 12au7's you're running in your Rogue these days. I was thinking of rolling some Ei 12AX7 / ECC83's to start with. I've owned my Cronus Magnum for two years now and I've never rolled the original tubes. Any suggestions you could offer would be greatly appreciated. I hope this post finds you well and enjoying music.


    • #3
      I had the immense pleasure of listening to the Zeus with a set of Penaudio monitors years ago. That experience still registers in my mind. Afraid I havent heard Rogue with Harbeth but can well imagine, a good match.


      • #4
        Tubes for Rogue Audio Cronus

        Originally posted by Don Jr View Post
        Hi Sebastien. I was wondering if you could tell me what 12ax7 and 12au7's you're running in your Rogue these days...
        Hi Don,

        Actually, I have an awesome 6211 from GE (1960, five stars, side getters) instead of my center 12AU7. But for that preamplification function, it has to be perfectly balance on his two triodes.

        My two others 12AU7 aren't changed yet and my two 12AX7 were replaced by some GE's 5751 (1960, 5 stars, triple mica, grey plates).

        For tube rolling with Rogue products, it is a good idea to contact directly Mark O'Brien, Rogue's owner. He is very helpfull. I remember that he suggested me to replace the 12AX7 with some Mullard, but GE's 5751 were is other choice.



        • #5
          The Cronus Magnum is a great match. The amp doesn't do anything wrong to the music. It may not be the last word as far as detail is concerned but overall, it's very musical and easy to listen to.