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Thread: step up transformers and active head amps

  1. #71
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,462
    I'm AudioAl'sArbiterForPISHANTO.

    Default

    Done!

    I'll let Rob do the 'S'.

    Marco.
    Main System

    Turntable: Heavily-modified Technics SL-1210MK5G [Mike New bearing/ETP platter/Paul Hynes SR7 PSU & regulator mods]. Funk Firm APM Achromat with Nagaoka GL-601 Crystal Record Weight. Isonoe feet & boots. Ortofon RS-212D tonearm with Denon DL-103GL, in a Denon PCL-300 headshell, fitted with Funk Firm Houdini and Kondo SL-115 pure-silver cartridge leads.

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp and Denon AU-310 SUT.

    Other Cartridges: Nippon Columbia (NOS 1987) Denon DL-103. USA-made Shure SC35C with NOS stylus. Goldring G820 with NOS stylus. Shure M55E with NOS stylus.

    CD Player: Audiocom-modified Sony X-777ES/DAS-R1 DAC.

    Tape Deck: Tandberg TCD 310, fully restored and recalibrated as new by RDE, plus upgraded with heads from the TCD-420a. Also with matching TM4 Norway microphones.

    Preamps: Heavily-modified Croft Charisma-X. Power Amps: Tube Distinctions Copper Amp, fitted with Tungsol KT-150s. Quad 306.

    Cables & Sundries: Mark Grant HDX1 interconnects and digital coaxial cable, plus Mark Grant 6mm UP-LCOFC Van Damme speaker cable. MCRU 'Ultimate' mains leads. Lehmann clone headphone amp with vintage Koss PRO-4AAA headphones.

    Tube Distinctions digital noise filter. VPI HW16.5 record cleaning machine.

    Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.

  2. #72
    Join Date: Jan 2008

    Location: Norfolk, UK

    Posts: 6,258
    I'm BigBobJoylove.

    Default

    Quote Originally Posted by Richard View Post
    ...Being a filterlab tech-ie you could put a small superman S badge on Bunsen's white coat.
    Well now you're Super Muppet, I'll pop a badge on his jacket this evening. I'll need my sewing kit which is at home.

    Lounge:
    Samsung QE65QN80F 65" QLED TV
    Echo Link streamer
    RME Audio ADI-2 FS (AK4493) DAC
    XMOS DSD Async
    Emotiva A2+ power amplifier
    Neat Motive SX1 speakers
    Van Damme 4.00mm tour grade speaker cable
    Nakamichi Fanlock banana plugs
    Chord Clearway XLR interconnects
    Audioquest Crimson USB interconnect
    QED Quartz Reference optical interconnect


    Studio:
    2022 MacBook Pro 14" M1 Pro 10/16/16/16
    SMSL DAC
    Modified Fosi P4 preamp
    Adam Audio T5Vs
    Fenton 10" active sub
    Roxel RBS 300s
    Several valve preamps

  3. #73
    Join Date: Feb 2008

    Location: North East UK

    Posts: 6,358
    I'm InSpace.

    Default

    Quote Originally Posted by Richard View Post
    Series capacitance is a low pass filter and series inductance is a high pass filter
    Shian7
    --------------------------------------------------------

    Kudakutemo
    kudakutemo

    ari mizu-no tsuki

    Though it be be broken -
    broken again - still it's there:
    the moon on the water.

    - Choshu.

  4. #74
    Join Date: Jan 2008

    Posts: 544

    Default

    Quote Originally Posted by Shian7 View Post


    I obviously woke up with my brain reversed that day.

    AND you are the first to notice

  5. #75
    Join Date: Feb 2008

    Location: North East UK

    Posts: 6,358
    I'm InSpace.

    Default

    Yeah.... some folk like to talk a lot without reading properly, or thinking!

    Shian7
    --------------------------------------------------------

    Kudakutemo
    kudakutemo

    ari mizu-no tsuki

    Though it be be broken -
    broken again - still it's there:
    the moon on the water.

    - Choshu.

  6. #76
    Join Date: Feb 2008

    Location: Down South

    Posts: 2,411
    I'm Neal.

    Default

    Marco, here's a little MC head amp. for you to try if you want, not heard it myself but maybe worth a go just for curiosity's sake...

    http://homepages.tcp.co.uk/~nroberts/article64b.pdf

  7. #77
    Join Date: Feb 2008

    Location: North East UK

    Posts: 6,358
    I'm InSpace.

    Default

    That looks interesting Neal, and as simple as a very simple thing!
    Might give it a go myself sometime, should cost peanuts!

    Shian7
    --------------------------------------------------------

    Kudakutemo
    kudakutemo

    ari mizu-no tsuki

    Though it be be broken -
    broken again - still it's there:
    the moon on the water.

    - Choshu.

  8. #78
    Join Date: Jan 2008

    Location: S.E. Wales

    Posts: 254

    Default




  9. #79
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,462
    I'm AudioAl'sArbiterForPISHANTO.

    Default

    Hi Neal,

    It looks like an interesting little thing, and could well sound very good. If any of you chaps would like to build one and let me listen to it I'm all ears!

    Nick,

    I think Richard will love those!

    Marco.
    Main System

    Turntable: Heavily-modified Technics SL-1210MK5G [Mike New bearing/ETP platter/Paul Hynes SR7 PSU & regulator mods]. Funk Firm APM Achromat with Nagaoka GL-601 Crystal Record Weight. Isonoe feet & boots. Ortofon RS-212D tonearm with Denon DL-103GL, in a Denon PCL-300 headshell, fitted with Funk Firm Houdini and Kondo SL-115 pure-silver cartridge leads.

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp and Denon AU-310 SUT.

    Other Cartridges: Nippon Columbia (NOS 1987) Denon DL-103. USA-made Shure SC35C with NOS stylus. Goldring G820 with NOS stylus. Shure M55E with NOS stylus.

    CD Player: Audiocom-modified Sony X-777ES/DAS-R1 DAC.

    Tape Deck: Tandberg TCD 310, fully restored and recalibrated as new by RDE, plus upgraded with heads from the TCD-420a. Also with matching TM4 Norway microphones.

    Preamps: Heavily-modified Croft Charisma-X. Power Amps: Tube Distinctions Copper Amp, fitted with Tungsol KT-150s. Quad 306.

    Cables & Sundries: Mark Grant HDX1 interconnects and digital coaxial cable, plus Mark Grant 6mm UP-LCOFC Van Damme speaker cable. MCRU 'Ultimate' mains leads. Lehmann clone headphone amp with vintage Koss PRO-4AAA headphones.

    Tube Distinctions digital noise filter. VPI HW16.5 record cleaning machine.

    Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.

  10. #80
    Join Date: Jan 2008

    Posts: 544

    Default

    Quote Originally Posted by scoobs View Post


    "Faster than a speeding bullet. More powerful than a locomotive"

    "Is it a bird, is it a plane, no its Superman"

    More like

    "Faster than a pregnant slug. More powerfull than bubblegum"

    "Is it a flying pig, is it a Zeppelin, no its Suppermuppet(sic)"

    http://youtube.com/watch?v=7S3K9kEASOw&feature=related
    Last edited by WikiBoy; 14-03-2008 at 01:20.

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