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Studer A820 Headblock #2 gets returned

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  • Studer A820 Headblock #2 gets returned



    Five weeks ago, i pulled the first of two Studer A820 and had it returned about two weeks ago.
    I mentioned the first headblock being pulled here: Studer A820 Headblock #1 gets pulled - Audionirvana.org
    I also mentioned its return here: Studer A820 Headblock #1 gets returned - Audionirvana.org

    About two weeks ago, I pulled my second Studer A820 headblock and sent it off for evaluation, relap, and scrape flutter roller cleaning/lubrication.
    I mentioned it here: Studer A820 Headblock #2 gets pulled - Audionirvana.org

    This week, my second headblock has been returned and installed. Last evening, I spent the entire time going through calibration adjustments for play and record at all speeds.

    Today, I played tapes at 15ips and 30ips to enjoy the fruits of this project on my second A820 for an enjoyable afternoon.

    Two pictures are shown below. One is the headblock after removal from package. The second picture is the headblock installed on the deck after completing a repro and record calibration sequence.

    A820 headblock removed from return packaging:
    Click image for larger version  Name:	Dre-A820-NumberTwoRed-Headblock-2-Return-AN.jpg Views:	0 Size:	101.5 KB ID:	164756


    A820 headblock on Studer #2 after repro and record calibration sequence:
    Click image for larger version  Name:	Dre-A820-NumberTwoRed-Headblock-2-Return-OnDeck-AN.jpg Views:	0 Size:	307.4 KB ID:	164757

    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.
    **************************************************
    Every day is a good day to listen to music.
    **************************************************
    Industry Affiliation:
    Contributing Writer, The Absolute Sound
    **************************************************

  • #2
    It looks pristine Dre. Great job.
    Micro Seiki SX-8000 table with flywheel, SME 3012R arm, SME 312S arm, Lyra Etna SL and Dynavector XV-1S cartridges, ARC Ref 3 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, and Def Tech Ref subs.

    Comment


    • #3
      Do you have a before and after comparison of the relapped heads FR?
      Myles B. Astor, PhD, Administrator
      Senior Editor, Positive-Feedback.com
      ________________________________________

      -Zellaton Plural Evo speakers
      -Goldmund Telos 300 stereo amp
      -Goldmund Mimesis 37S Nextgen preamplifier
      -Doshi EVO and Goldmund PH3.8 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 Lambda, Fuuga Mk. 2, vdh Colibri Master Signature, MutechHayabusa, MOFI Master Tracker, Sumiko Songbird cartridges
      -Technics RS1506 with Flux Magnetic heads, Doshi V3.0 tape stage (balanced)
      -Assorted cables including Transparent XL Gen. 6, Skogrand, Viero, Kubala-Sosna, Audience Au24SX, Genesis Advanced Technologies and Ensemble 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 3 racks, Audiodharma Cable Cooker, Symposium Ultra and assorted SRA OHIO Class 2.1+ platforms.

      Comment


      • #4
        Originally posted by MylesBAstor View Post
        Do you have a before and after comparison of the relapped heads FR?
        Not this time. I didn't chart the FR response after the calibration procedure on this go-round.

        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.
        **************************************************
        Every day is a good day to listen to music.
        **************************************************
        Industry Affiliation:
        Contributing Writer, The Absolute Sound
        **************************************************

        Comment

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