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Thread: Tron Convergence MC Phonostage auditioned

  1. #31
    Join Date: Jan 2009

    Location: Sheffield - UK

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    I'm Mark.

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    I'm not aware of one - will look into it.

    100% Analogue

  2. #32
    Join Date: Nov 2015

    Location: Wolverhampton

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    I'm Oliver.

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    Quote Originally Posted by Arkless Electronics View Post
    That's what I'm hoping!

    Edit: Apparently there may be an LFD phono stage with the same technology.
    Oh. Does that scupper things ?

    Sent from my EVA-L09 using Tapatalk
    Alphason HR100 MCS > Toshiba SR 370 Turntable > ZYX R50 Bloom cartridge > Firebottle OTP MK2 Phono Stage > Firebottle Monoblocks > Creek OBH-11SE Headphone Amp > IXOS Speaker Cables > Pioneer CS-77A Speakers

  3. #33
    Join Date: Oct 2012

    Location: NE England

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    I'm Jez.

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    Quote Originally Posted by Bigman80 View Post
    Oh. Does that scupper things ?

    Sent from my EVA-L09 using Tapatalk
    Quote Originally Posted by YNWaN View Post
    I'm not aware of one - will look into it.

    The designer of The PIP is Owen Jones who studied/worked with Professor Hawksford of Essex University one of who's theories is "Low Fuzzy Distortion" LFD...
    I believe LFD is a commercial offshoot of Hawksfords with another guy... (Bewley rings a bell?). The PIP had rave reviews at the time and I reckon it is not much of a presumption that the top LFD phono stages will probably use the same technique...

    It scuppers nothing at all! Transconductance amplification is hardly new (though very rarely used in audio) and I can prove that I independently "invented" a transconductance RIAA stage 20 years ago

    I have a power amp designed as well that uses the technique to provide the low distortion gain for a zero feedback class A jobby... Vapourware of course
    Hey if someone wants to say "I'll buy the first one" I'll start making it exist
    Arkless Electronics-Engineered to be better. Tel. 01670 530674 (after 1pm)

    Modded Thorens TD150, Audio Technica AT-1005 MkII, Technics EPC-300MC, Arkless Hybrid MC phono stage, Arkless passive pre, Arkless 50WPC Class A SS power amp, (or) Arkless modded Leak Stereo 20, Modded Kef Reference 105/3's
    ReVox PR99, Studer B62, Ferrograph Series 7, Tandberg TCD440, Hitachi FT-5500MkI, also FT-5500MkII
    Digital: Yamaha CDR-HD1500 (Digital Swiss army knife-CD recorder, player, hard drive, DAC and ADC in one), PC files via 24/96 sound card and SPDIF, modded Philips CD850, modded Philips CD104, modded DPA Little Bit DAC. Sennheiser HD580 cans with Arkless Headphone amp.
    Cables- free interconnects that come with CD players, mains leads from B&Q, dead kettles etc, extension leads from Tesco

  4. #34
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 2,707
    I'm Oliver.

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    Quote Originally Posted by Arkless Electronics View Post
    The designer of The PIP is Owen Jones who studied/worked with Professor Hawksford of Essex University one of who's theories is "Low Fuzzy Distortion" LFD...
    I believe LFD is a commercial offshoot of Hawksfords with another guy... (Bewley rings a bell?). The PIP had rave reviews at the time and I reckon it is not much of a presumption that the top LFD phono stages will probably use the same technique...

    It scuppers nothing at all! Transconductance amplification is hardly new (though very rarely used in audio) and I can prove that I independently "invented" a transconductance RIAA stage 20 years ago

    I have a power amp designed as well that uses the technique to provide the low distortion gain for a zero feedback class A jobby... Vapourware of course
    Hey if someone wants to say "I'll buy the first one" I'll start making it exist
    Haha, matey, if money was no object, I'd fund that venture !



    Sent from my EVA-L09 using Tapatalk
    Alphason HR100 MCS > Toshiba SR 370 Turntable > ZYX R50 Bloom cartridge > Firebottle OTP MK2 Phono Stage > Firebottle Monoblocks > Creek OBH-11SE Headphone Amp > IXOS Speaker Cables > Pioneer CS-77A Speakers

  5. #35
    Join Date: Jan 2009

    Location: Sheffield - UK

    Posts: 5,675
    I'm Mark.

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    I've found the Silbatone C-100 which uses transconductance circuitry. The most recent price for that I can see is 70,000.00. I can't seem to find any mention of LFD using the technique, though information on LFD isn't easy to find full stop.

    100% Analogue

  6. #36
    Join Date: Feb 2010

    Location: Berkshire, UK

    Posts: 1,775
    I'm Tom.

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    Quote Originally Posted by Arkless Electronics View Post
    As I mentioned elsewhere the other day I am planning on making an MC only phono stage which uses the same operating principle as the Paradise... which operates in a completely different manner to all other phono stages other than the Pink Triangle "PIP" (to the best of my knowledge no other units using the principle exist anyway). I also independently "invented" the same thing about 20 years ago and built and sold several very good phono stages which are still in use today using the idea.
    It is already designed at computer simulation level and sim results look very good. I intend that it will be a two box unit at around 800-1000 starting price. All circuitry is of my own design and this is not intended to be a "Paradise clone" but a design in it's own right which uses the same operating principle as the Paradise and Pink Triangle PIP.
    Please put me in the queue to hear this Jez. This sounds very interesting.
    Speakers - 'RFC' Tannoy Canterburys with custom crossovers; Amp - Radford STA100; Preamp - EAR 912; Vinyl: Thorens TD124 MkII with Ikeda IT345-CR1 and Ortofon 309 Limited tonearms; Cartridges: Miyajima Kansui, Zero Mono 0.7 and Premium 1.0 retipped by Ana Mighty Sound with bamboo cantilever, Ortofon SPU Royal N and SPU Mono GM MkII, GE VX II vintage mono, and Shure M3D with Jico stylus; phono stage and SUT from EAR 912; Esoteric Sound Re-Equalizer for equalisation of early mono and 78; Digital: Audio Note CDT2/II transport and RPI2 with HifiBerry Digi+ board, heavily upgraded Audio Note Kit DAC.

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  7. #37
    Join Date: Oct 2012

    Location: NE England

    Posts: 4,378
    I'm Jez.

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    Quote Originally Posted by YNWaN View Post
    I've found the Silbatone C-100 which uses transconductance circuitry. The most recent price for that I can see is 70,000.00. I can't seem to find any mention of LFD using the technique, though information on LFD isn't easy to find full stop.
    A possible 3 commercial units then... One made in small quantities, many of which ceased to function it seems, by a no longer trading company donkeys ago... a possible unit from LFD.... and one more which I've never heard of at HOW MUCH!!?? Does it have solid gold casework?

    Room for another one then

    Oh and did I mention that I've come up with a new technique for servoing the input stage biasing (yeah that's vague.. and all yer going to get) which means I can get rid of all the electrolytic caps in the Paradise? The computer says it works a dream 'n all. Will it work in practice? I'll find out when I make one but I can't think of any reason why not.... famous last words
    Arkless Electronics-Engineered to be better. Tel. 01670 530674 (after 1pm)

    Modded Thorens TD150, Audio Technica AT-1005 MkII, Technics EPC-300MC, Arkless Hybrid MC phono stage, Arkless passive pre, Arkless 50WPC Class A SS power amp, (or) Arkless modded Leak Stereo 20, Modded Kef Reference 105/3's
    ReVox PR99, Studer B62, Ferrograph Series 7, Tandberg TCD440, Hitachi FT-5500MkI, also FT-5500MkII
    Digital: Yamaha CDR-HD1500 (Digital Swiss army knife-CD recorder, player, hard drive, DAC and ADC in one), PC files via 24/96 sound card and SPDIF, modded Philips CD850, modded Philips CD104, modded DPA Little Bit DAC. Sennheiser HD580 cans with Arkless Headphone amp.
    Cables- free interconnects that come with CD players, mains leads from B&Q, dead kettles etc, extension leads from Tesco

  8. #38
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 3,529
    I'm Alan.

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    Brilliant Jez, give it a good servoing

  9. #39
    Join Date: Oct 2012

    Location: NE England

    Posts: 4,378
    I'm Jez.

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    Quote Originally Posted by Firebottle View Post
    Brilliant Jez, give it a good servoing
    It's not an actual word, true enough, but I like it.

    Edit: Looked it up and there is such a word
    Arkless Electronics-Engineered to be better. Tel. 01670 530674 (after 1pm)

    Modded Thorens TD150, Audio Technica AT-1005 MkII, Technics EPC-300MC, Arkless Hybrid MC phono stage, Arkless passive pre, Arkless 50WPC Class A SS power amp, (or) Arkless modded Leak Stereo 20, Modded Kef Reference 105/3's
    ReVox PR99, Studer B62, Ferrograph Series 7, Tandberg TCD440, Hitachi FT-5500MkI, also FT-5500MkII
    Digital: Yamaha CDR-HD1500 (Digital Swiss army knife-CD recorder, player, hard drive, DAC and ADC in one), PC files via 24/96 sound card and SPDIF, modded Philips CD850, modded Philips CD104, modded DPA Little Bit DAC. Sennheiser HD580 cans with Arkless Headphone amp.
    Cables- free interconnects that come with CD players, mains leads from B&Q, dead kettles etc, extension leads from Tesco

  10. #40
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 2,707
    I'm Oliver.

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    Quote Originally Posted by Arkless Electronics View Post
    A possible 3 commercial units then... One made in small quantities, many of which ceased to function it seems, by a no longer trading company donkeys ago... a possible unit from LFD.... and one more which I've never heard of at HOW MUCH!!?? Does it have solid gold casework?

    Room for another one then

    Oh and did I mention that I've come up with a new technique for servoing the input stage biasing (yeah that's vague.. and all yer going to get) which means I can get rid of all the electrolytic caps in the Paradise? The computer says it works a dream 'n all. Will it work in practice? I'll find out when I make one but I can't think of any reason why not.... famous last words
    Lol. You seem to be inspired Jez!!! I like it.

    Start a thread. I'll be following intently.

    Sent from my EVA-L09 using Tapatalk
    Alphason HR100 MCS > Toshiba SR 370 Turntable > ZYX R50 Bloom cartridge > Firebottle OTP MK2 Phono Stage > Firebottle Monoblocks > Creek OBH-11SE Headphone Amp > IXOS Speaker Cables > Pioneer CS-77A Speakers

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