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Thread: Wanted: cheap DC blocker

  1. #1
    Join Date: Feb 2010

    Location: Berkshire, UK

    Posts: 2,426
    I'm Tom.

    Default Wanted: cheap DC blocker

    Anyone got a cheap DC blocker going spare they can part with - or even lend me as I'm really just wanting to check something out.

    Just looked online and the only commercially available one seems to be a piss-taking £250.
    Main: Speakers 'RFC' Tannoy Canterburys / custom crossovers; Amp - Radford STA100; Pre EAR 912; Vinyl: Thorens TD124 MkII + Ikeda IT345-CR1 / Ortofon 309 Limited tonearms; Cartridges Stereo - Miyajima Madake, Ortofon SPU Royal N + Shure M3D Jico stylus; Mono - Miyajimas - Zero 0.7, Premium 1.0 retipped by Ana Mighty Sound bamboo cantilever, Spirit '78' 3.0 conical from Ana, also vintage GE VRII, Shure M44 strapped for mono with several Expert Stylus conicals for different eras of 78s; Phono stage and SUT from EAR 912; Esoteric Sound Re-Equalizer for equalisation of early mono and 78, switchable in from tape loop; Digital: Audio Note CDT2/II transport, heavily modded AN Kit DAC + Mutec MC3+USB.

    Study: Speakers - Tannoy DC6; Amp: Duncan 'Tuberhunter' 200w class D; preamp - Pass DCB1; Vinyl: Garrard 401 with AT1503 tonearm and vintage SPU-GE; SUTs - Ortofon 2-15k & Bob's Devices; Phono Stage: Schiit Mani; Digital - Trichord Genesis III CDP + Arcam rBlink; Schiit Multibit DAC.

  2. #2
    Join Date: Oct 2016

    Location: London

    Posts: 33
    I'm David.

    Default

    Quote Originally Posted by montesquieu View Post
    Anyone got a cheap DC blocker going spare they can part with - or even lend me as I'm really just wanting to check something out.

    Just looked online and the only commercially available one seems to be a piss-taking £250.
    Hi, I make them to order if you are interested. I'd have price one up for you but the last one I did was around £50 for one to add to an amplifier as a module, a bit more if you want it in an independent case.
    David

    Sent from my ONEPLUS A5000 using Tapatalk

  3. #3
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 4,164
    I'm Oliver.

    Default

    Quote Originally Posted by montesquieu View Post
    Anyone got a cheap DC blocker going spare they can part with - or even lend me as I'm really just wanting to check something out.

    Just looked online and the only commercially available one seems to be a piss-taking £250.
    https://www.atlhifi.com/shop/fully-a...mbled-in-case/

    I have two. Very good unit.

    Sent from my EVA-L09 using Tapatalk
    Technics SP10 MK2 > Phonomac AT-1010 tonearm > Ortofon Kontrapunkt b > (SUT to be purchased) > Wizard MM Valve Phonostage (Telefunken Valves) > Slagle AVC Passive Preamp > Firebottle Monoblocks (Telefunken Valves) > IXOS Speaker Cables > Pioneer CS-77A Speakers > Oliver's IC Cables Throughout

  4. #4
    Join Date: Sep 2011

    Location: Kilmarnock, Ayrshire, Scotland

    Posts: 308
    I'm stuart.

    Default

    you could build one, very easy.....

    http://theartofsound.net/forum/showt...rom-DC-Blocker

  5. #5
    Join Date: Feb 2010

    Location: Berkshire, UK

    Posts: 2,426
    I'm Tom.

    Default

    Quote Originally Posted by killie99 View Post
    you could build one, very easy.....

    http://theartofsound.net/forum/showt...rom-DC-Blocker
    You maybe could, where I could or not is another matter.
    Main: Speakers 'RFC' Tannoy Canterburys / custom crossovers; Amp - Radford STA100; Pre EAR 912; Vinyl: Thorens TD124 MkII + Ikeda IT345-CR1 / Ortofon 309 Limited tonearms; Cartridges Stereo - Miyajima Madake, Ortofon SPU Royal N + Shure M3D Jico stylus; Mono - Miyajimas - Zero 0.7, Premium 1.0 retipped by Ana Mighty Sound bamboo cantilever, Spirit '78' 3.0 conical from Ana, also vintage GE VRII, Shure M44 strapped for mono with several Expert Stylus conicals for different eras of 78s; Phono stage and SUT from EAR 912; Esoteric Sound Re-Equalizer for equalisation of early mono and 78, switchable in from tape loop; Digital: Audio Note CDT2/II transport, heavily modded AN Kit DAC + Mutec MC3+USB.

    Study: Speakers - Tannoy DC6; Amp: Duncan 'Tuberhunter' 200w class D; preamp - Pass DCB1; Vinyl: Garrard 401 with AT1503 tonearm and vintage SPU-GE; SUTs - Ortofon 2-15k & Bob's Devices; Phono Stage: Schiit Mani; Digital - Trichord Genesis III CDP + Arcam rBlink; Schiit Multibit DAC.

  6. #6
    Join Date: Apr 2015

    Location: Central Virginia

    Posts: 702
    I'm Russell.

    Default

    Ok, Iím confused? (Itís not that unusual), but why would you want a DC blocker? And where does it go in the signal chain? The ones in that URL look like they go in front of the power plug? And if youíve got DC between the amp and speakers then you may have a major problem with the amp? Thanks for any help understanding this

    Russell

  7. #7
    Join Date: Feb 2010

    Location: Berkshire, UK

    Posts: 2,426
    I'm Tom.

    Default

    Er, it's a mains issue. Plenty of info why needed in the links above or here
    Main: Speakers 'RFC' Tannoy Canterburys / custom crossovers; Amp - Radford STA100; Pre EAR 912; Vinyl: Thorens TD124 MkII + Ikeda IT345-CR1 / Ortofon 309 Limited tonearms; Cartridges Stereo - Miyajima Madake, Ortofon SPU Royal N + Shure M3D Jico stylus; Mono - Miyajimas - Zero 0.7, Premium 1.0 retipped by Ana Mighty Sound bamboo cantilever, Spirit '78' 3.0 conical from Ana, also vintage GE VRII, Shure M44 strapped for mono with several Expert Stylus conicals for different eras of 78s; Phono stage and SUT from EAR 912; Esoteric Sound Re-Equalizer for equalisation of early mono and 78, switchable in from tape loop; Digital: Audio Note CDT2/II transport, heavily modded AN Kit DAC + Mutec MC3+USB.

    Study: Speakers - Tannoy DC6; Amp: Duncan 'Tuberhunter' 200w class D; preamp - Pass DCB1; Vinyl: Garrard 401 with AT1503 tonearm and vintage SPU-GE; SUTs - Ortofon 2-15k & Bob's Devices; Phono Stage: Schiit Mani; Digital - Trichord Genesis III CDP + Arcam rBlink; Schiit Multibit DAC.

  8. #8
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 31,184
    I'm Geoff.

    Default

    Ahem.



    Sjostrom finished board. Not built into case yet, waiting for taller stand-offs, as I want to run the cable under the board.

  9. #9
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 4,164
    I'm Oliver.

    Default

    Quote Originally Posted by walpurgis View Post
    Ahem.



    Sjostrom finished board. Not built into case yet, waiting for taller stand-offs, as I want to run the cable under the board.
    Nice work Geoff. The ATL ones are good too.

    Sent from my EVA-L09 using Tapatalk
    Technics SP10 MK2 > Phonomac AT-1010 tonearm > Ortofon Kontrapunkt b > (SUT to be purchased) > Wizard MM Valve Phonostage (Telefunken Valves) > Slagle AVC Passive Preamp > Firebottle Monoblocks (Telefunken Valves) > IXOS Speaker Cables > Pioneer CS-77A Speakers > Oliver's IC Cables Throughout

  10. #10
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 31,184
    I'm Geoff.

    Default

    Quote Originally Posted by Bigman80 View Post
    Nice work Geoff. The ATL ones are good too
    Not my work Oliver. I bought a completed board, as it's not that much dearer than a self assembly item.

    Whole thing will stand me in a little over fifty quid. Ther Sjostrom board is very nice quality.

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