Recent content by Pacha

  1. Pacha

    KT150 and 6H30

    Good point, these will be used in my ARC Ref 2se Phono, Ref 5se line stage and Ref 250se amps. I also have them in my ARC SP20 and Ref 150.
  2. Pacha

    KT150 and 6H30

    Hi All, What is the average expected operational life of these tubes? Thanks for your responses.
  3. Pacha

    6550 used in ARC power supplies

    I haven't done any tube rolling since my SP8, MCP33 and D79 days. Over the next few months I'll try the 6550 in my current system and see what I think.
  4. Pacha

    6550 used in ARC power supplies

    Yes, I have the Ref Phono 2se, Ref Line Stage 5se and Ref 250se in one system and a SP20 and Ref 150 in another.
  5. Pacha

    6550 used in ARC power supplies

    My reason for starting this thread was I have a small stash of GE and Tung Sol 6550 from my D79 days. Most of these are from the 50s and I wanted to be sure I would not have any use for them before passing them on. Thank you for all the help and replies.
  6. Pacha

    6550 used in ARC power supplies

    Thank You, I guess I was too discriptive!
  7. Pacha

    6550 used in ARC power supplies

    Hello All and Thanks in advance for the help. I remember reading in a thread here that substituting an old USA make 6550 in the power supply of my Ref Phono 2se, Ref Line Stage 5se and my Ref 250se amps resulted in an improvement in bass reproduction. I've searched and can't seem to find that...
  8. Pacha

    He spent his life building a $1 million stereo. The real cost was unfathomable

    A truly heart breaking story from either perspective. The loss the kids and wife seemed to have felt as well as the man himself who lost out on what joy and happiness comes from a beautiful relationship with your SO and kids. So glad I have an acceptable audio system and a fabulous relationship...
  9. Pacha

    Are you an audiophile or a music lover?

    +1 I’m an audiophile music lover. Being a part of a musical family, most still play or perform and I was a durmmer before my hands were damaged in Viet Nam. One member who teaches piano even owns Oscar Peterson's piano. My partner, she is a Jazz singer that I go to every live performance she...
  10. Pacha

    Availability of Tung Sol KT150 tubes

    Two new tube sets for my Ref 250se amplifiers have been shipped from ARC. These include 16 KT150s. I also purchased KT150 from Upscale Audio for use in my Ref 150 amp and they were installed yesterday and final bias check this morning. The tubes seem to be flowing again, at least in some quanties.
  11. Pacha

    ARC Ref150 upgraded to KT150 bias?

    Just heard from ARC, and their answer is the same. Stay with 65mVDC.
  12. Pacha

    ARC Ref150 upgraded to KT150 bias?

    That was my first guess also. Thank you for the reply.
  13. Pacha

    ARC Ref150 upgraded to KT150 bias?

    I've just upgraded my ARC Ref150 amplifier to KT150 tubes from the stock KT120s. The manual states adjust bias to 65mVDC for the KT120 tubes. My question is what should I set the bias to for the new KT150s? Any suggestions greatly appreciated.
  14. Pacha

    Audio Research join the forum as a sponsor!

    Welcome to WBF as a respected manufacturer. As an owner of many of your products over the years I look forward to your contributions to this forum.
  15. Pacha

    Tube Dampers

    I've always just used the ones that came with my ARC equipment. Seems like they have included them for many years now.
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