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Thread: Electronumpty's Bigbottle MC phono blowout!

  1. #81
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 10,017
    I'm Oliver.

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    Quote Originally Posted by Barry View Post
    Why do you want to separate the valve bases from the PCB?



    It's called the Miller effect: http://www.valvewizard.co.uk/gridstopper.html

    However if you do add grid stoppers, you will be changing Alan's design and perhaps the overall sound. I would suggest you seek Alan's advice.
    He wants the valves outside the chassis.

    I did say he could've mounted the pcb upside down and made those connections very small lol.

    Too late now.
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK6 tonearm > Ortofon Kontrapunkt b > SIMaudio Moon LP5.3RS
    Digital: Orchard Audio PecanPi with JRiver
    Preamplifier: Neurochrome Differential Preamp
    Amplification: Neurochrome Modulus 686
    Speakers: Mordaunt Short Performance 880
    Cables: SPOTFIRE Speaker Cable & SPOTFIRE IC Cables & SPOTFIRE Tonearm cable

    Price List For SPOTFIRE Cables here:https://bit.ly/2Uxiv3j

    Alternative reading: http://www.audioaddictsforum.com

  2. #82
    Join Date: Jan 2014

    Location: london se6

    Posts: 818
    I'm AndyElectroNumpty.

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    Well that was the plan, so will have to rethink it. Its not a disaster as I can remount them on the pcb without to much hassle.

    Sent from my SM-G950F using Tapatalk
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  3. #83
    Join Date: Jan 2014

    Location: london se6

    Posts: 818
    I'm AndyElectroNumpty.

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    Think I might hook up as is to see what it sounds like and test the board etc. then remount the sockets and finish the case off . Nothing lost there as I haven't cut the ply yet. Just need to add some ventilation into it.

    All part of learning anyway so it's fine by me.

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  4. #84
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 5,136
    I'm Alan.

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    Andy I would say try it first, there are some grid stoppers on the pcb.

    You may get some instability with squeaks and noises. I think it would be OK to fit additional small value grid stoppers in the grid wires, I can advise as necessary.

  5. #85
    Join Date: Jan 2014

    Location: london se6

    Posts: 818
    I'm AndyElectroNumpty.

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    Quote Originally Posted by Firebottle View Post
    Andy I would say try it first, there are some grid stoppers on the pcb.

    You may get some instability with squeaks and noises. I think it would be OK to fit additional small value grid stoppers in the grid wires, I can advise as necessary.
    Thanks Alan thats very helpful, I'll give it a shot . Cheers

    Sent from my SM-G950F using Tapatalk
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  6. #86
    Join Date: Jan 2014

    Location: london se6

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    I'm AndyElectroNumpty.

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    Drilled and filed the back plate for the fittings. Will polish it up a bit some time

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  7. #87
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 10,017
    I'm Oliver.

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    Quote Originally Posted by smangus View Post
    Drilled and filed the back plate for the fittings. Will polish it up a bit some time

    Sent from my SM-G950F using Tapatalk
    Getting the the squeaky bum moment!!!!
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK6 tonearm > Ortofon Kontrapunkt b > SIMaudio Moon LP5.3RS
    Digital: Orchard Audio PecanPi with JRiver
    Preamplifier: Neurochrome Differential Preamp
    Amplification: Neurochrome Modulus 686
    Speakers: Mordaunt Short Performance 880
    Cables: SPOTFIRE Speaker Cable & SPOTFIRE IC Cables & SPOTFIRE Tonearm cable

    Price List For SPOTFIRE Cables here:https://bit.ly/2Uxiv3j

    Alternative reading: http://www.audioaddictsforum.com

  8. #88
    Join Date: Jan 2014

    Location: london se6

    Posts: 818
    I'm AndyElectroNumpty.

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    Quote Originally Posted by Bigman80 View Post
    Getting the the squeaky bum moment!!!!


    Sent from my SM-G950F using Tapatalk
    At the cutting edge of Numptyness!

  9. #89
    Join Date: Jan 2014

    Location: london se6

    Posts: 818
    I'm AndyElectroNumpty.

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    Had a bash at polishing , pleased with the results Couple of deeper nicks still show slightly so may go back iver them some time.

    Shiny shine!

    Sent from my SM-G950F using Tapatalk
    At the cutting edge of Numptyness!

  10. #90
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 10,017
    I'm Oliver.

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    Quote Originally Posted by smangus View Post
    Had a bash at polishing , pleased with the results Couple of deeper nicks still show slightly so may go back iver them some time.

    Shiny shine!

    Sent from my SM-G950F using Tapatalk
    Oooh, looks posh!
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK6 tonearm > Ortofon Kontrapunkt b > SIMaudio Moon LP5.3RS
    Digital: Orchard Audio PecanPi with JRiver
    Preamplifier: Neurochrome Differential Preamp
    Amplification: Neurochrome Modulus 686
    Speakers: Mordaunt Short Performance 880
    Cables: SPOTFIRE Speaker Cable & SPOTFIRE IC Cables & SPOTFIRE Tonearm cable

    Price List For SPOTFIRE Cables here:https://bit.ly/2Uxiv3j

    Alternative reading: http://www.audioaddictsforum.com

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