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    I want to try a new set of power tubes in my Rogue ST100 power amp. This amp sounds too solid state for a tube amp. Recommend a power tube other than the stock KT120 than will give me more of a lush tube sound. I need four so please keep it reasonable in cost.
    Marty

  • #2
    I don't think you are going to get anything lusher than the KT120s. I think that is the amp's sound.
    Myles B. Astor, PhD, Administrator
    Senior Editor, Positive-Feedback.com
    ________________________________________

    -Magico S5 Mk.2 speakers with SPod feet
    -cj 40th Anniversary ART300 monoblock amplifiers
    -Merrill Audio Elemente 116 monoblock amplifiers
    -cj GAT preamplifier Series 2 preamplifier
    -Doshi V3.0 phonostage
    -VPI Vanquish direct-drive turntable
    -VPI 12-inch 3D Fat Boy dual pivot tonearm, VPI 12-inch 3D Fat Boy gimballed and SAT LM-12 arm
    -Lyra Atlas SL, Fuuga, vdh Colibri Master Signature, MOFI Master Tracker, Sumiko Songbird cartridges
    -Technics RS1506 with Flux Magnetic heads, Doshi V3.0 tape stage (balanced)
    -Assorted cables including Transparent XL Gen. 5, Allnic cables, Skogrand, Viero, Kubala-Sosna, MG Audio, Audience Au24SX, Genesis Advanced Technologies Power Cords
    -Accessories including Stillpoint Aperture panels, Cathedral Sound panels, Furutech NCF Nano AC receptacles; Silver Circle Tchaik 6 PLC, Symposium ISIS and SRA Craz racks, Audiodharma Cable Cooker, Symposium Ultra and assorted SRA platforms.

    Comment


    • #3
      Marty-Did you have any luck with your local ARC dealer lending you a Ref 75 to try out in your system?
      SP-10 MKII table with custom power supply designed and built by Peter Noerbaek with an SME 3012R with Dyna XV-1S cartridge, VPI Avenger table with rim drive and JMW -12-3D arrm with Lyra Etna SL cartridge, Zesto Andros 1.2 phono stage, Otari MX-55 tape deck, Ampex 350 repros, Roon Nucleus Plus server, PS Audio DSJ DAC, ARC Ref 6 pre, ARC Ref 75 amp, JBL 4345 speakers with a pair of Def Tech Ref subs.

      Comment


      • nc42acc
        nc42acc commented
        Editing a comment
        Mark I need to find an ARC dealer out of state.

    • #4
      Myles must be a bad amp design. Time to sell.
      Marty

      Comment


      • #5
        Originally posted by nc42acc View Post
        I want to try a new set of power tubes in my Rogue ST100 power amp. This amp sounds too solid state for a tube amp. Recommend a power tube other than the stock KT120 than will give me more of a lush tube sound. I need four so please keep it reasonable in cost.
        Marty,

        Since everyone has a different thought as to what too solid-state means, could you provide a bit more substance for better understanding of your perspective?

        Thanks,
        Dre
        **************************************************
        Every day is a good day to play analog.
        - 12" 33-1/3 RPM or 45 RPM vinyl
        - 10.5" 15ips or 30ips tape
        **************************************************
        Every day is a good day for live music.
        **************************************************

        Comment


        • #6
          Originally posted by nc42acc View Post
          Myles must be a bad amp design. Time to sell.
          No that wasn't the intent. I think that Mark aims for a more neutral tube-sound. Every designer's product has a signature and IMHO that is Mark's. Perhaps you might think about something else in the chain to address this issue. Even room acoustics?
          Myles B. Astor, PhD, Administrator
          Senior Editor, Positive-Feedback.com
          ________________________________________

          -Magico S5 Mk.2 speakers with SPod feet
          -cj 40th Anniversary ART300 monoblock amplifiers
          -Merrill Audio Elemente 116 monoblock amplifiers
          -cj GAT preamplifier Series 2 preamplifier
          -Doshi V3.0 phonostage
          -VPI Vanquish direct-drive turntable
          -VPI 12-inch 3D Fat Boy dual pivot tonearm, VPI 12-inch 3D Fat Boy gimballed and SAT LM-12 arm
          -Lyra Atlas SL, Fuuga, vdh Colibri Master Signature, MOFI Master Tracker, Sumiko Songbird cartridges
          -Technics RS1506 with Flux Magnetic heads, Doshi V3.0 tape stage (balanced)
          -Assorted cables including Transparent XL Gen. 5, Allnic cables, Skogrand, Viero, Kubala-Sosna, MG Audio, Audience Au24SX, Genesis Advanced Technologies Power Cords
          -Accessories including Stillpoint Aperture panels, Cathedral Sound panels, Furutech NCF Nano AC receptacles; Silver Circle Tchaik 6 PLC, Symposium ISIS and SRA Craz racks, Audiodharma Cable Cooker, Symposium Ultra and assorted SRA platforms.

          Comment


          • nc42acc
            nc42acc commented
            Editing a comment
            I was being serious Myles. I am stuck with it as resell on them is horrendous for some reason. My Rogue dealer gave me an unbelievable deal so no big financial loss.

        • #7
          I really am just curious what other power tubes sound like. The ST100 will bias many different variants. What else is a bored audiophile suppose to do with his free time?
          Marty

          Comment


          • #8
            Originally posted by nc42acc View Post
            I really am just curious what other power tubes sound like. The ST100 will bias many different variants.
            OK.

            Originally posted by nc42acc View Post
            What else is a bored audiophile suppose to do with his free time?
            Listen to music?
            **************************************************
            Every day is a good day to play analog.
            - 12" 33-1/3 RPM or 45 RPM vinyl
            - 10.5" 15ips or 30ips tape
            **************************************************
            Every day is a good day for live music.
            **************************************************

            Comment


            • nc42acc
              nc42acc commented
              Editing a comment
              In between albums I have time to switch tubes. Got me one of those pot holder gloves.

          • #9
            Will it take a KT150 Marty? What other variants? 6550 types?
            Myles B. Astor, PhD, Administrator
            Senior Editor, Positive-Feedback.com
            ________________________________________

            -Magico S5 Mk.2 speakers with SPod feet
            -cj 40th Anniversary ART300 monoblock amplifiers
            -Merrill Audio Elemente 116 monoblock amplifiers
            -cj GAT preamplifier Series 2 preamplifier
            -Doshi V3.0 phonostage
            -VPI Vanquish direct-drive turntable
            -VPI 12-inch 3D Fat Boy dual pivot tonearm, VPI 12-inch 3D Fat Boy gimballed and SAT LM-12 arm
            -Lyra Atlas SL, Fuuga, vdh Colibri Master Signature, MOFI Master Tracker, Sumiko Songbird cartridges
            -Technics RS1506 with Flux Magnetic heads, Doshi V3.0 tape stage (balanced)
            -Assorted cables including Transparent XL Gen. 5, Allnic cables, Skogrand, Viero, Kubala-Sosna, MG Audio, Audience Au24SX, Genesis Advanced Technologies Power Cords
            -Accessories including Stillpoint Aperture panels, Cathedral Sound panels, Furutech NCF Nano AC receptacles; Silver Circle Tchaik 6 PLC, Symposium ISIS and SRA Craz racks, Audiodharma Cable Cooker, Symposium Ultra and assorted SRA platforms.

            Comment


            • nc42acc
              nc42acc commented
              Editing a comment
              As hot as the power transformer runs I am going to say no. I even asked Mark Obrien at the NY show and his face contorted when I said ST100 and KT150 in the same sentence. I could try with a fire extinguisher handy.

          • #10
            I am going to sweet talk my local ARC dealer to let me home evaluate a hot REF150SE demo they have. I am worried about my financial outcome.
            Marty

            Comment


            • Rob
              Rob commented
              Editing a comment
              If the 150 is anything like the REF 110 I just sold I don't think its going to be warmer or 'tubey' its a very neutral amp with more extended highs and a leaner mid-band than typ. tube amps. Its a hybrid and balanced input only.

          • #11
            Originally posted by MylesBAstor View Post
            I don't think you are going to get anything lusher than the KT120s. I think that is the amp's sound.
            Correct.
            Hugh Nguyen
            ACA

            Comment

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