Audio Choice at Vietnam hi-end show

The high-end Audio Video show in Vietnam took place on September 6 to 8th. Audio Choice, our distributor, had two rooms -one dedicated to audio and the other one to headphones. Both rooms were a success.

Thanks for the great work !!

Click on the pictures to enlarge

About hermanvandendungen

Almost 40 years of being with and in the world of high-end audio equipment. As distributor of Krell, Sonus Faber, Cello, Conrad-Johnnson and many more, initiator of brands like Kiseki, Cogelco, AH!, PrimaLuna, Mystère and maybe more to follow.
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13 Responses to Audio Choice at Vietnam hi-end show

  1. Mark says:

    Hi Mr. V-
    i am a lucky owner of the Prima Luna CD player, powered by a PL Dialogue Premier Integrated Amp (Tungsol KT120) ) and a pair of Martin-Logan EM-ESL’s Electrostatic hybrid speakers.. I have tried to integrate a medium sized KRK sub, and then a big OutLaw sub, both unsuccessfullly, followed currently by a SVS top-of-their -line “SB13″ Ultra” sealed box subwoofer. The SVS is in “sore thumb” territory.
    Can you nudge me in the better direction? Would an Audyssy or DSP Auto speaker calibration unit help me? Any good “pairing up” examples would be VERY helpful. I cant get my present choice of subs to blend into the 2.1 soundstage.
    Mark Boccaccio

    • hermanvandendungen says:

      Dear Mark,

      Wished I could help you from here but that is really impossible. It is an “in-the-field” situation to be solved “in the field” and hopefully there is a good dealer around. Next to that, my only experience with subs is from 1000 years ago with JANIS and DAHLQUIST subs …

      Hope you can find a local help.

      Best regards,


  2. Terry Mastrantonio says:

    Hi Herman, do you recommend the new KT150’s for the Primaluna Dialogue one, already got the cryo’d 120’s in, but read a reveiw that the 150’s are killer

    • hermanvandendungen says:

      Hi Terry,

      “They” say you can. We had 4 pieces, started yesterday using them in one of the PL amps and 1 tube became blue, the AABBoard fuse broke and we could only continue by replacing that KT150 by a KT88 or KT120 (I am not sure which tube was used for replacement). The question is … was it just one bad tube out of four, or did the tube not like the amp ot the amp did not like the tube? Now I am still hesitating to say Yes, go ahead. Let’s test a few more months as soon as we have a few other KT150’s in stock.

      Best regards,


      • Terry Mastrantonio says:

        Thnx for the quick reply Herman
        Let’s hope it was a bad tube, might go ahead and order a quad set
        Just let you know I’m running my Dialogue One with cryo’d KT120’s and Mullard CV4003’s cryo’d as well in the front being fed by an Oppo 105 via HomeGrown Silver Lace interconnect
        PSB Synchrony Two B bookshelf speakers,
        What an amazing sound

      • Terry Mastrantonio says:

        Just re-read your post
        Think I’ll hold back on the 150’s and wait for your analysis on them,
        Fingers crossed

  3. Mark Boccaccio says:

    Hi Herman- has the jury come in on the KT150’s? Btw, I paired an SVS 13″ Sealed Sub to my Martin logan electrostatics, and my KT120 Prima Luna Dialogue Premium / Classic CD System now scares small children. It makes grown women swoon. So too bad, ya little brats, too bad…

  4. Warren says:

    April 2014, wondering if there had been any progress on the KT150 with PrimaLuna amps as yet? I have a ProLogue Premium Integrated Amp running KT120’s without a problem at all. Interested to hear if any progress made.

  5. hermanvandendungen says:

    Dear Warren,

    We confirm it is OK to use the KT150 tubes in the DiaLogue amplifiers only.

    Best regards,


  6. Terry Mastrantonio says:

    Hi Herman, what’s your view on the KT150’s V the KT120’s
    Does the Dialogue One run any hotter, and more importantly how do they sound with the Primaluna Dialogue Premium

    • hermanvandendungen says:

      Hi Terry,

      I would not dare to say. If I did, I was bullshitting. Sorry. Maybe some reliable guys somewhere here, can tell??

      Best regards,


    • beheerder says:

      KT150’s are allowed in DiaLogue models. Have no personal experience though.

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