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Thread: Goldenjacks Attenuators

  1. #1
    Join Date: Dec 2008

    Location: East Riding of Yorkshire these days

    Posts: 4,779
    I'm Shaun.

    Default Goldenjacks Attenuators

    Today, Friday 12th November 2010, I managed to get my slightly redundant Croft Series Seven power amp fixed and up and running again but as a part of this process, I fitted a pair of Goldenjacks -14db attenuators to the pre amp input of the CD output. Now due to the fact that it is almost impossible to set a decent volume and balance on the Croft due to the over sensitive input I have found these attenuators an absolute Godsend.

    Playing Acoustic Alchemy’s CD ‘This Way’, I have found the new setup to be a total revelation. During the title tracks middle eight section I can detect very low mixed vocals that I have never heard before and the main acoustic guitar at the forefront of the mix stops and starts very precisely. Quite why this should be I have no idea as I don’t fully understand the mechanics of electronics nor the black art of hi-fi but there is very definitely a big difference. The whole sound is now a lot more easy and less overpowering and brash with a rather delicate edge to everything.

    The overall volume is of course much lower than it was previously but at least I now have a decent level of control of the volume pots and given that I mainly listen to low level chillout music and jazz these days this arrangement suits me very well. The attenuators were bought via the Goldenjacks website for which I have completely forgotten the link.

  2. #2
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,012
    I'm AudioAl'sArbiterForPISHANTO.

    Default

    Interesting stuff!

    The attenuators were bought via the Goldenjacks website for which I have completely forgotten the link.
    Try this, Shaun: http://www.goldenjacks.com/

    Marco.
    Main System

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

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp/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. LDR Stereo Coffee. 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.


    Protect your HUMAN RIGHTS and REFUSE ANY *MANDATORY* VACCINE FOR COVID-19!

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  3. #3
    Join Date: Dec 2008

    Location: East Riding of Yorkshire these days

    Posts: 4,779
    I'm Shaun.

    Default

    It is now a full week since I fitted the Goldenjacks to my system and I am still completely amazed by how they have improved things. The whole sound is now far more distant with considerable depth and much more space and ambience. The tonal character is now much softer and easier to listen to with the previous 'loud' and 'shouty' character totally gone. I spent a while last night listening to Peter Gabriel's 'Up' album and the sound that is now present here is stunning. For what these attenuators cost I am completely in favour of using them with the Croft preamp.

    I hope I am allowed to do this but here is a link for anyone wanting to look at these:

    http://cgi.ebay.co.uk/GOLDENJACKS-AU...item45f6e20375
    Last edited by Haselsh1; 19-11-2010 at 09:00. Reason: Addition:

  4. #4
    Join Date: Mar 2010

    Location: London

    Posts: 2,094
    I'm colin.

    Default

    Wondered about these. i remember the advert " does your source sound to loud past 9 oclock on the volume control?" . Well yes, my cd player does.

  5. #5
    Join Date: Sep 2010

    Location: West London, UK

    Posts: 50

    Default

    Interesting. I also have a problem with excessive gain and have tried the Rothwells, but they have never done anything except to suck life out of the music. I wonder if there is an impedance thing going on here ?
    John.

  6. #6
    Join Date: May 2008

    Location: Lancaster(-ish), UK

    Posts: 16,937
    I'm ChrisB.

    Default

    If you're going to pad down the signal like this you have to be sure to put them at the downstream end of the interconnect or use a very short cable. Otherwise, you'll lose a lot of treble sparkle.

  7. #7
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,012
    I'm AudioAl'sArbiterForPISHANTO.

    Default

    Another option would be to fit a shunt mod on your volume pot, which reduces gain by approx 6db - problem solved less intrusively (nearer the source)...

    I have this arrangement on my Croft and it does improve things, provided that your power amp is sensitive enough to cope with the reduction in gain.

    Marco.
    Main System

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

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp/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. LDR Stereo Coffee. 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.


    Protect your HUMAN RIGHTS and REFUSE ANY *MANDATORY* VACCINE FOR COVID-19!

    Also **SAY NO** to unjust 'vaccine passports' or certificates, which are totally incompatible with a FREE society!!!


  8. #8
    Join Date: Dec 2008

    Location: East Riding of Yorkshire these days

    Posts: 4,779
    I'm Shaun.

    Default

    Quote Originally Posted by TopBalcony View Post
    Interesting. I also have a problem with excessive gain and have tried the Rothwells, but they have never done anything except to suck life out of the music. I wonder if there is an impedance thing going on here ?
    I had a set of Rothwells but I was using them with a passive volume pot in a Chinese valve amp and all they succeeded in doing was completely killing the music. I thought it was just the Rothwells but it clearly wasn't, these attenuators are now working brilliantly.

    Just as an example; the off position on my Croft pre is at the twelve o'clock position. At normal listening levels the volume pot is at the five past position. This doesn't give a lot of room for adjustment so the attenuators actually help quite a lot.
    Last edited by Haselsh1; 21-11-2010 at 09:23. Reason: Addition:

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