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Otrai 5050 B II With Flux Magnetic Heads

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  • Otrai 5050 B II With Flux Magnetic Heads

    Ok just curious because I can't remember which tape pre sounds better with this setup? Does anyone know the deHavilland vs the Tube Repro? I notice that the induction is quite different between the stock heads and the flux head, wondering what effect this would have on either tape pre?

  • #2
    No idea but, the deHavilland has a gain hi/lo on the rear deck to accommodate different outputs. I'm still breaking mine in with my Otari. Let us know how you make out.

    Phono: Aesthetix Io Eclipse with 2 Power Supplies and Volume controls
    Brinkmann Balance & RonT Tube Power supply with Kuzma 4-point ,FR64S, Brinkmann 12.1 , .Koetsu Jade Platinum,Koetsu Rosewood Signature Platinum, Lyra Atlas Lamda, Lyra Etna SL Goldfinger Statement, KLAUDIO RCM, HRSM3X
    Amps: Custom Direct Drive, Wyetech Topaz, Futterman H3 Quad II,Citation II, Marantz 8b, 5 ,2. Bedini 25/25
    Pre-Amps:Marantz 7, Marantz Model 1 Consolette Pair
    Speakers: Beveridge Model 3 Direct Drive amps, REL S/2 x 2, Quad ESL pair
    Otari 5050BXII, DeHavilland 222

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    • #3
      my notes are at work but the inductance of the nortronic head in my RS1500 was 400mh (i think), Kara probably asked you when you ordered yours. She cleared me with my application.

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      • #4
        Originally posted by jcmusic View Post
        Ok just curious because I can't remember which tape pre sounds better with this setup? Does anyone know the deHavilland vs the Tube Repro? I notice that the induction is quite different between the stock heads and the flux head, wondering what effect this would have on either tape pre?
        The lower the inductance, the lower the head output. E.g. the more gain you'll need in the tape stage and commensurately need to pay more attention to noise.
        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.

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        • #5
          Nick Doshi said that he was very happy with the 80uH head on the Mara. He has been using 200uH heads but the 80 worked very well.
          Speakers: Vandersteen Model 7s, 4 M&K ST-150Ts, 1 VCC-5; Amplification: 2 Vandersteen M7-HPAs, CI Audio D200 MKII, Ayre V-6xe; Preamp: Doshi Audio Line Stage v3.0; Phono Pre: Doshi Audio V3 Phono Pre; Analog: Wave Kinetics NVS; Durand Telos and SME 3012R Tonearms, Clearaudio Goldfinger Statement v2; Miyajima Zero; Reel to Reel: Technics RS-1500; Doshi Tape Pre-Amp; Studer A810; Studer A812; Tascam BR-20; Multi-channel: Bryston SP-3; Digital: Custom PC> Lampizator Pacific

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