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Thread: Goldpoint SA4M-47 passive 'preamp' winging its way to Marco Towers...

  1. #151
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 98,920
    I'm Grant.

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    Regards,
    Grant .... ؠ ......Don't be such a big girl's blouse

    I've said it before and I'll say it again: democracy simply-doesn't-work
    .... ..... ...... ...... ................... ..... ..... ..... ..... .....
    FIIO K7 BT, M11 PLUS, BTR7, KA5 - OPPO BDP-103D - PANASONIC UB450 - PANASONIC 4K ULTRA HD TV - PIXEL 6 - AVANTREE LR BLUETOOTH - 2* X600 SOUNDCORE - HEADPHONES INCLUDE, FIIO, NURAPHONES', FOCAL, OPPO, BOSE, CAMBRIDGE, BOWER & WILKINS, DEVIALET, MARSHALL, SONY, MITCHELL & JOHNSTON - 2*ZBOOK'S- MERCURY BD ROM, ROON, QOBUZ, TIDAL, PLEX, CYBERLINK, JRIVER - MULTI HDD'S -

    Oh my god! There's nothing wrong with the bidet is there?

    “Nothing discloses real character like the use of power. It is easy for the weak to be gentle. Most people can bear adversity. But if you wish to know what a man really is, give him power. This is the supreme test. It is the glory of Lincoln that, having almost absolute power, he never abused it, except on the side of mercy".

    “You see these dictators on their pedestals, surrounded by the bayonets of their soldiers and the truncheons of their police ... yet in their hearts there is unspoken fear. They are afraid of words and thoughts: words spoken abroad, thoughts stirring at home -- all the more powerful because forbidden -- terrify them. A little mouse of thought appears in the room, and even the mightiest potentates are thrown into panic.”

    "You don't have free will. You have the appearance of free will.”

    “There's a war out there, old friend. A world war. And it's not about who's got the most bullets. It's about who controls the information. What we see and hear, how we work, what we think... it's all about the information!”


    ***SMILE, BE HAPPY***

  2. #152
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,530
    I'm AudioAl'sArbiterForPISHANTO.

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    Marco.
    Main System

    Turntable: Heavily-modified Technics SL-1210MK5G [Mike New bearing/ETP platter/Paul Hynes SR7 PSU & regulator mods]. Funk Firm APM Achromat with Nagaoka GL-601 Crystal Record Weight. Isonoe feet & boots. Ortofon RS-212D tonearm with Denon DL-103GL, in a Denon PCL-300 headshell, fitted with Funk Firm Houdini and Kondo SL-115 pure-silver cartridge leads.

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp and Denon AU-310 SUT.

    Other Cartridges: Nippon Columbia (NOS 1987) Denon DL-103. USA-made Shure SC35C with NOS stylus. Goldring G820 with NOS stylus. Shure M55E with NOS stylus.

    CD Player: Audiocom-modified Sony X-777ES/DAS-R1 DAC.

    Tape Deck: Tandberg TCD 310, fully restored and recalibrated as new by RDE, plus upgraded with heads from the TCD-420a. Also with matching TM4 Norway microphones.

    Preamps: Heavily-modified Croft Charisma-X. Power Amps: Tube Distinctions Copper Amp, fitted with Tungsol KT-150s. Quad 306.

    Cables & Sundries: Mark Grant HDX1 interconnects and digital coaxial cable, plus Mark Grant 6mm UP-LCOFC Van Damme speaker cable. MCRU 'Ultimate' mains leads. Lehmann clone headphone amp with vintage Koss PRO-4AAA headphones.

    Tube Distinctions digital noise filter. VPI HW16.5 record cleaning machine.

    Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.

  3. #153
    Join Date: Dec 2011

    Location: Far Away

    Posts: 1,373
    I'm Gone.

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    Quote Originally Posted by Marco View Post
    In other news, according to Chris, I'll soon have an LDR winging its way to me, so it'll be very interesting hearing how that compares with the Goldpoint (and Croft)... Nice to have so many good choices!

    Marco.
    Funnily enogh I was discussing these with Nick at Whittlebury the other day. A good passive is the dogs dangles, in fact my Art Audio VPL is,mwhen in passive mode, a passive followed by a buffer stage, which in turn matches it to following equipment, i.e. The power amp, headphone energiser etc. The problem with LDRs is that they are not passive devices like a good quality resistor (my favs are Vishay Z foils, as used in my own passive pre design).

    LDRs are semi conductors, albeit two tailed ones. The are, depending on how they are conected, companding, this is why they are the heart of the classic Joe Meek optical compressor, which gives the amazing squashed sound to the organ in the Tornadoes track, Telstar. When wired as expanders, they artificialy enhance dynamic range at the expepnse of some pretty awful "pumping". They are useful in the studio, (I have four channels of Joe Meek compression), but crap in true HiFi systems, they aren't known as suck and blow compressors for nothing.

  4. #154
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,530
    I'm AudioAl'sArbiterForPISHANTO.

    Default

    Interesting, Paul. And thanks for your input. I guess we'll see whether that's the case in my system or not. I have to say that the LDR of Chris' I heard in Anthony TD's system recently sounded superb, and nothing like you've described...

    Anyway, as ever the proof of the pudding is in the listening, so we shall see! Full report to come in due course, on how all three devices (Goldpoint, LDR and Croft) shape up when compared with each other

    Marco.
    Main System

    Turntable: Heavily-modified Technics SL-1210MK5G [Mike New bearing/ETP platter/Paul Hynes SR7 PSU & regulator mods]. Funk Firm APM Achromat with Nagaoka GL-601 Crystal Record Weight. Isonoe feet & boots. Ortofon RS-212D tonearm with Denon DL-103GL, in a Denon PCL-300 headshell, fitted with Funk Firm Houdini and Kondo SL-115 pure-silver cartridge leads.

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp and Denon AU-310 SUT.

    Other Cartridges: Nippon Columbia (NOS 1987) Denon DL-103. USA-made Shure SC35C with NOS stylus. Goldring G820 with NOS stylus. Shure M55E with NOS stylus.

    CD Player: Audiocom-modified Sony X-777ES/DAS-R1 DAC.

    Tape Deck: Tandberg TCD 310, fully restored and recalibrated as new by RDE, plus upgraded with heads from the TCD-420a. Also with matching TM4 Norway microphones.

    Preamps: Heavily-modified Croft Charisma-X. Power Amps: Tube Distinctions Copper Amp, fitted with Tungsol KT-150s. Quad 306.

    Cables & Sundries: Mark Grant HDX1 interconnects and digital coaxial cable, plus Mark Grant 6mm UP-LCOFC Van Damme speaker cable. MCRU 'Ultimate' mains leads. Lehmann clone headphone amp with vintage Koss PRO-4AAA headphones.

    Tube Distinctions digital noise filter. VPI HW16.5 record cleaning machine.

    Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.

  5. #155
    Join Date: May 2012

    Location: Toulouse, France

    Posts: 7,190
    I'm Kevin.

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    With a three month old child in the house, there is no way I would have an LDR in the house.
    Risk of component failure and cadmium fumes is just not worth it for me, even if it as the best preamp money could buy.

    Just make sure you do not inhale the magic smoke!
    Kevin

    Too busy enjoying the music....

    European loan coordinator for Graham Slee HiFi system components..

  6. #156
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,530
    I'm AudioAl'sArbiterForPISHANTO.

    Default

    Lol - I certainly inhaled the stench of irony in that post!

    Marco.
    Main System

    Turntable: Heavily-modified Technics SL-1210MK5G [Mike New bearing/ETP platter/Paul Hynes SR7 PSU & regulator mods]. Funk Firm APM Achromat with Nagaoka GL-601 Crystal Record Weight. Isonoe feet & boots. Ortofon RS-212D tonearm with Denon DL-103GL, in a Denon PCL-300 headshell, fitted with Funk Firm Houdini and Kondo SL-115 pure-silver cartridge leads.

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp and Denon AU-310 SUT.

    Other Cartridges: Nippon Columbia (NOS 1987) Denon DL-103. USA-made Shure SC35C with NOS stylus. Goldring G820 with NOS stylus. Shure M55E with NOS stylus.

    CD Player: Audiocom-modified Sony X-777ES/DAS-R1 DAC.

    Tape Deck: Tandberg TCD 310, fully restored and recalibrated as new by RDE, plus upgraded with heads from the TCD-420a. Also with matching TM4 Norway microphones.

    Preamps: Heavily-modified Croft Charisma-X. Power Amps: Tube Distinctions Copper Amp, fitted with Tungsol KT-150s. Quad 306.

    Cables & Sundries: Mark Grant HDX1 interconnects and digital coaxial cable, plus Mark Grant 6mm UP-LCOFC Van Damme speaker cable. MCRU 'Ultimate' mains leads. Lehmann clone headphone amp with vintage Koss PRO-4AAA headphones.

    Tube Distinctions digital noise filter. VPI HW16.5 record cleaning machine.

    Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.

  7. #157
    Join Date: Sep 2009

    Location: Derbyshire

    Posts: 9,351
    I'm Josie.

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    Quote Originally Posted by CageyH View Post
    With a three month old child in the house, there is no way I would have an LDR in the house.
    Risk of component failure and cadmium fumes is just not worth it for me, even if it as the best preamp money could buy.

    Just make sure you do not inhale the magic smoke!
    lol.. you never know, it might have been what Joe Meek did if that's the case!
    Ultrafide U500DC power amplifier - Croft Vitale )highly modified) - TRIO L-07D Turntable - Denon DL103C1 - Funk Firm Houdini - Lentek MC head amp - 15" Tannoy Monitor Gold Loudspeakers in Lockwood Major cabinets (From Trident Studios) - Tannoyista SPEC 3 Custom Crossovers - VanDamme Black Speaker Cable

    Tannoyista.com
    - Audio Equipment Reviews
    Facebook

  8. #158
    Join Date: May 2012

    Location: Toulouse, France

    Posts: 7,190
    I'm Kevin.

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    Quote Originally Posted by Marco View Post
    Lol - I certainly inhaled the stench of irony in that post!

    Marco.
    Working with cadmium plated objects on a daily basis, I am aware of the risks of a controlled substance.
    I am also aware of the risk an amp with exposed valves presents to an inquisitive mind, so for the time being I won't be having one of those either.
    Kevin

    Too busy enjoying the music....

    European loan coordinator for Graham Slee HiFi system components..

  9. #159
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 98,920
    I'm Grant.

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    Quote Originally Posted by CageyH View Post
    Working with cadmium plated objects on a daily basis, I am aware of the risks of a controlled substance.
    I am also aware of the risk an amp with exposed valves presents to an inquisitive mind, so for the time being I won't be having one of those either.
    Keep your grilles on too!
    Regards,
    Grant .... ؠ ......Don't be such a big girl's blouse

    I've said it before and I'll say it again: democracy simply-doesn't-work
    .... ..... ...... ...... ................... ..... ..... ..... ..... .....
    FIIO K7 BT, M11 PLUS, BTR7, KA5 - OPPO BDP-103D - PANASONIC UB450 - PANASONIC 4K ULTRA HD TV - PIXEL 6 - AVANTREE LR BLUETOOTH - 2* X600 SOUNDCORE - HEADPHONES INCLUDE, FIIO, NURAPHONES', FOCAL, OPPO, BOSE, CAMBRIDGE, BOWER & WILKINS, DEVIALET, MARSHALL, SONY, MITCHELL & JOHNSTON - 2*ZBOOK'S- MERCURY BD ROM, ROON, QOBUZ, TIDAL, PLEX, CYBERLINK, JRIVER - MULTI HDD'S -

    Oh my god! There's nothing wrong with the bidet is there?

    “Nothing discloses real character like the use of power. It is easy for the weak to be gentle. Most people can bear adversity. But if you wish to know what a man really is, give him power. This is the supreme test. It is the glory of Lincoln that, having almost absolute power, he never abused it, except on the side of mercy".

    “You see these dictators on their pedestals, surrounded by the bayonets of their soldiers and the truncheons of their police ... yet in their hearts there is unspoken fear. They are afraid of words and thoughts: words spoken abroad, thoughts stirring at home -- all the more powerful because forbidden -- terrify them. A little mouse of thought appears in the room, and even the mightiest potentates are thrown into panic.”

    "You don't have free will. You have the appearance of free will.”

    “There's a war out there, old friend. A world war. And it's not about who's got the most bullets. It's about who controls the information. What we see and hear, how we work, what we think... it's all about the information!”


    ***SMILE, BE HAPPY***

  10. #160
    Join Date: May 2012

    Location: Toulouse, France

    Posts: 7,190
    I'm Kevin.

    Default

    I would prefer a valve amp where the case encloses the valves - something like a Croft.
    If a grille is easy to remove, it's not worth the risk.

    Your WAD looks lovely, but it is just the wrong time for me.
    Kevin

    Too busy enjoying the music....

    European loan coordinator for Graham Slee HiFi system components..

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