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Thread: TDS Passive Audiophile Buffer

  1. #1
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 1,052
    I'm Lawrence.

    Default TDS Passive Audiophile Buffer

    Anyone heard of (or even heard) this piece of kit? Before anyone goes slagging it off, be gentle, I've just bought it! Looking at reviews online, it seemed worth a punt. Will report back in due course.

    https://rover.ebay.com/rover/0/0/0?m...2F263248991433


    Sent from my NEM-L51 using Tapatalk

  2. #2
    Join Date: May 2012

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    I'm I'mteachingmarcotheartofpishanto.

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    Was it thrown off a cliff ?
    Music , fills the gaps between silence !

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  3. #3
    Join Date: Jan 2009

    Location: Essex

    Posts: 16,452
    I'm openingabottleofwine.

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    Quote Originally Posted by Audio Al View Post
    Was it thrown off a cliff ?
    I'm sure the chipped paintwork could be easily touched up.
    Have you listened to this month's choice in the Album Club?

    Barry

  4. #4
    Join Date: Feb 2010

    Location: Berkshire, UK

    Posts: 2,250
    I'm Tom.

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    Quote Originally Posted by Audio Al View Post
    Was it thrown off a cliff ?
    Indeed it has the 'look' of something purchased from that particular vendor.

    I must admit I tried a few of these sound improver gizmos over the years, I guess they were needed back in the 80s when CD technology was in its infancy and not a few of them sounded like the aural equivalent of having paint stripper thrown on your eardrums. (Thankfully things are a bit better now. ) Some like the Whest DAP10 were active, others like the Marantz DLT-1 were transformer based. From the description this one has inductors in it. So might be buggering around with the phase.

    Always worth a bash but I think you might find it won't necessarily be a keeper. What problem is it you are looking to solve?

    I have had some good experiences in some setups with buffers (valve or solid state) that attend to mismatched impedances but I don't really count those as sound improvement devices, more a technical fix to a specific and measurable problem. (Though some are sold as such and even have controls that vary the effect!).
    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.

  5. #5
    Join Date: Feb 2013

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    I'm Grant.

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    If its any good you could always rebox it
    Regards,
    Grant ....

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  6. #6
    Join Date: Oct 2016

    Location: Bolton, England

    Posts: 815
    I'm Andrew.

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    "Passive" and "buffer" are pretty much incompatible. It's true that you can raise the input impedance and lower the output impedance using a passive circuit but only if you're prepared for a huge reduction in signal amplitude. It would be interesting to know what's inside.

    Off at a slight tangent, when looking at your link I noticed this:
    http://www.ebay.co.uk/itm/Rothwell-I....c100011.m1850

    An absolute bargain!

  7. #7
    Join Date: Nov 2008

    Location: Belfast, N Ireland

    Posts: 63
    I'm Norman.

    Default TDS passive buffer

    Hi. Run two of these as I have two transports and DACs. I find I would rather have them in my system than not. Where over £350 when new some years ago.

  8. #8
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 1,052
    I'm Lawrence.

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    Quote Originally Posted by Audio Al View Post
    Was it thrown off a cliff ?
    Lol certainly looked like it. As it happens it turned up in good nick with one small chip on the corner and a bypass switch at the front. No idea what happened but I'm not complaining!

    Sent from my NEM-L51 using Tapatalk

  9. #9
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 1,052
    I'm Lawrence.

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    Quote Originally Posted by montesquieu View Post
    Indeed it has the 'look' of something purchased from that particular vendor.

    I must admit I tried a few of these sound improver gizmos over the years, I guess they were needed back in the 80s when CD technology was in its infancy and not a few of them sounded like the aural equivalent of having paint stripper thrown on your eardrums. (Thankfully things are a bit better now. ) Some like the Whest DAP10 were active, others like the Marantz DLT-1 were transformer based. From the description this one has inductors in it. So might be buggering around with the phase.

    Always worth a bash but I think you might find it won't necessarily be a keeper. What problem is it you are looking to solve?

    I have had some good experiences in some setups with buffers (valve or solid state) that attend to mismatched impedances but I don't really count those as sound improvement devices, more a technical fix to a specific and measurable problem. (Though some are sold as such and even have controls that vary the effect!).
    Not really a problem to solve, I was intrigued when I saw the listing and did some research which led me to put in an offer. But it might go well between my class d amp and passive pre.

    Sent from my NEM-L51 using Tapatalk

  10. #10
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 1,052
    I'm Lawrence.

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    Quote Originally Posted by normmc View Post
    Hi. Run two of these as I have two transports and DACs. I find I would rather have them in my system than not. Where over £350 when new some years ago.
    Now that is interesting, do you recall what difference you found they made before you went with them permanently?

    Sent from my NEM-L51 using Tapatalk

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