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Thread: Developing the MA100 amplifier

  1. #61
    Join Date: Apr 2012

    Location: South West of England

    Posts: 262
    I'm Will.

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    I'll come back to the design aspect later maybe

    In other news, the PCBs have been manufactured and waiting for shipment!
    Radford Revival
    www.radfordrevival.co.uk

  2. #62
    Join Date: Apr 2012

    Location: South West of England

    Posts: 262
    I'm Will.

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    Well, I'd have the boards in my hand right now if it weren't for inept couriers, fingers crossed for tomorrow.
    Radford Revival
    www.radfordrevival.co.uk

  3. #63
    Join Date: Dec 2015

    Location: Brighton

    Posts: 31
    I'm Simon.

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    Hopefully there will be some 2nd hand STAs around when this launches!

    edit: Series 5, I meant
    Last edited by simonh; 26-06-2021 at 20:18.

  4. #64
    Join Date: Apr 2012

    Location: South West of England

    Posts: 262
    I'm Will.

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    Test boards in progress!
    Radford Revival
    www.radfordrevival.co.uk

  5. #65
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 9,793
    I'm Andrew.

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    Good to see after all these years.
    SS
    CD Teac VRDS25X(Audiotuned) DECK 1210 Mat Crystal Audio Mods MN Base/Bearing/Platter+Ebony armboard Feet Isonoe PSU Paul Hynes SR7EHD-27XL/DCSXL Ag DC lead/3 Stage Regs/Recap PCB+No Pitch/Strobe/Light ARM SME V(Kondo Ag Rewire&Tags) MC Cadenza Black FGS CABLES Arm Yannis SPD-4 IC Yannis 222 Litz+Ag bullets Power WAR PRE ATC SCA2 SPEAKERS ATC 50ASL STANDS Atacama PHONO Sugden Masterclass PA4 SUT Ortofon ST80SE POWER PSAudio P10

    VALVE / MONO
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    Croft Epoch(Modded) AMP Sondex S100 (Modded) SPEAKERS Tannoy 15"MG+RFC Warwick cabs+ Ref XO + Batpure supertweeters DECK Garrard 301 Mat Teunto Bearings 401(Bastin) Plinth Bamboo Arms 3009/3012 PSU Eagle+Tachometer MC Ag Meister II/FGS + Ortofon SPU MONO CABLES Arm Yannis 420.5 Litz+ SpeakerPC Tripple C+WBT-0681 Ag IC Oyaide FTVS-510 AgWBT 0110Ag Phonostages Paradise(4 Box Mega-Modded) / Croft Musicmaker





  6. #66
    Join Date: Jan 2009

    Location: Essex

    Posts: 38,037
    I'm openingabottleofwine.

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    What happened to the images in post 64?
    Barry

  7. #67
    Join Date: Apr 2012

    Location: South West of England

    Posts: 262
    I'm Will.

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    Quote Originally Posted by Barry View Post
    What happened to the images in post 64?
    Had a bit of a fight with my wordpress where I upload them (messed up the scaling) - will fix soon!
    Radford Revival
    www.radfordrevival.co.uk

  8. #68
    Join Date: Apr 2012

    Location: South West of England

    Posts: 262
    I'm Will.

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    Excited to confirm that all tested subsystems on the board actually function as expected (after a bit of minor bodging), in theory adding an output stage will result in a working amp!
    Radford Revival
    www.radfordrevival.co.uk

  9. #69
    Join Date: Apr 2012

    Location: South West of England

    Posts: 262
    I'm Will.

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    Will sort some pics soon.
    Radford Revival
    www.radfordrevival.co.uk

  10. #70
    Join Date: Apr 2012

    Location: South West of England

    Posts: 262
    I'm Will.

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    Approaching first power / fire / smoke!!
    Radford Revival
    www.radfordrevival.co.uk

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