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Thread: installing 7 Furutech GTX-D NFC (R) outlets this morning

  1. #451
    Member Sponsor Addicted to Best! Uk Paul's Avatar
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    Another round of testing the NCF booster.

    LP Tracy Chapman, track 'Baby can I Hold You'.

    Fitted to Pre (CF 080LSX2 all NOS Mullard) - more air around performers, higher frequencies seem cleaner and possibly more extended. Mid range certainly better clarity. Low mid and bass, small definition improvement; better precision which is probably cleaner more incisive lower mids. As I only have one so far this seems to be the most influential position, but I also moved it to other parts:

    Allnic H3000 PSU: effect as above but more subtle, so losing the boost on the pre, and gaining a bit back on H3000, Furutech FI-50 again on H3000 PSU, same as Pre.
    Using top section only on DC input to H3000, (base won't fit as Bocchino RCA clashes) not much to gain here like this; inconclusive!

    On Neutrik Powercon 32amp input to the Symetrica Bal power supply for whole system, again, some improvement here, not as obvious as the pre though. I designed this supply and my dislike for IEC connectors led me to use the big Neutrik as they lock together tightly, no sag or wobble and I think this improves the connection and sonics, but still I can detect the effect of the booster here, just more subtle than the pre. These will fit the rear panel no problem on production models without any clashing of power plugs.

    Not tried yet on the CF mono amplifiers as I need two boosters, also not tried on any digital gear yet. Plan now is to get 2 more sent over, then I can try on DAC/Transport, and power amps.

    Yes Ron, this 'crack' ain't too bad..
    Last edited by Uk Paul; 11-28-2017 at 03:38 AM. Reason: Punctuation Sir..
    Z:Axis Audio

    Balanced Power ~ 'Symetrica' by Z:Axis Audio TT Sony TTS 8000 / SAEC WE-506/30 / Nasotec Swing / Aidas PanzerHolz-Diamond, Allnic H3000 Phono /KR Audio 'Lampi Anniv 5U4G CD Ayon CD transport / Concert Fidelity DAC 040B/D /Concert Fidelity 080LSX2 Pre / ZL200 Amplifiers / Martin Logan Spire - Extensively modified. Cabling is by Z-Axis Audio, Reference mains leads, 'Reference B52' interconnects, 'Livewire' speaker cables. Mirage equipment support.

  2. #452
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    It annoys me that we spend so much on power cables but connections are sometimes poor due to heavy cables and flimsy IEC connectors. It doesn't help that wall outlets are usually 14-16" off the floor, and cables tend to pull the connectors loose.

    So I was pleased to see that the Shunyata D6000 power conditioners come with cable cradles. However, it doesn't deal with loose IEC connectors on components. I was keen to try the Furutech NCF Booster because I've already had good results with their FI-50 NCF connectors, GTX plates, and GTX-D NCF outlets.

    After a short wait for my back-order (my dealer sells a lot of these), my Booster arrived with the extension kit. The kit makes it easy to adjust the cradle height to fit any outlet or IEC. Like other Furutech items, the Booster is very well made.

    I used my 1st Booster to clamp 2 power cables to one outlet, and to support a 3rd cable in a higher outlet. As you can see from the photo, I used a small piece of cardboard to separate the 3 cables. Crude but effective. If the FI-50 or GTX-D can improve your system, the Booster will provide similar benefits. It will reduce background noise and improve dynamic contrast. Percussive instruments (piano, drums, etc) are more lifelike.

    Before I splurged on more Booster, I wondered if IEC connectors will also sound better with more stable support. I glued multiple sheets of cardboard to make cradles to fit every IEC. Cardboard is cheap.rigid, non-conductive, and easy to cut to the right height. The result exceeded my expectations as my system has never sounded so quiet and dynamic. I would like to buy more Boosters but my immediate priority is to upgrade my digital streamer.

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  3. #453
    Member Sponsor Addicted to Best! Uk Paul's Avatar
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    IEC sockets are the worst piece of industry standard in my view, I really don't get why these became the norm, especially with these heavy female plugs such as the FI-50 etc. The worst offenders are the fused inlet's with a fuse drawer, give them a good wiggle and you can break the connection. Neutrik should be the standard, they are so much better.

    MtSeymour, did you go FI-50 to NCF? Thanks for the input, it seems that general consesus is that these boosters are very effective indeed..
    Z:Axis Audio

    Balanced Power ~ 'Symetrica' by Z:Axis Audio TT Sony TTS 8000 / SAEC WE-506/30 / Nasotec Swing / Aidas PanzerHolz-Diamond, Allnic H3000 Phono /KR Audio 'Lampi Anniv 5U4G CD Ayon CD transport / Concert Fidelity DAC 040B/D /Concert Fidelity 080LSX2 Pre / ZL200 Amplifiers / Martin Logan Spire - Extensively modified. Cabling is by Z-Axis Audio, Reference mains leads, 'Reference B52' interconnects, 'Livewire' speaker cables. Mirage equipment support.

  4. #454
    Member Sponsor Addicted to Best! Uk Paul's Avatar
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    3 in the system now, incremental improvements with each one added.
    Z:Axis Audio

    Balanced Power ~ 'Symetrica' by Z:Axis Audio TT Sony TTS 8000 / SAEC WE-506/30 / Nasotec Swing / Aidas PanzerHolz-Diamond, Allnic H3000 Phono /KR Audio 'Lampi Anniv 5U4G CD Ayon CD transport / Concert Fidelity DAC 040B/D /Concert Fidelity 080LSX2 Pre / ZL200 Amplifiers / Martin Logan Spire - Extensively modified. Cabling is by Z-Axis Audio, Reference mains leads, 'Reference B52' interconnects, 'Livewire' speaker cables. Mirage equipment support.

  5. #455
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    Quote Originally Posted by Uk Paul View Post
    IEC sockets are the worst piece of industry standard in my view, I really don't get why these became the norm, especially with these heavy female plugs such as the FI-50 etc. The worst offenders are the fused inlet's with a fuse drawer, give them a good wiggle and you can break the connection. Neutrik should be the standard, they are so much better.

    MtSeymour, did you go FI-50 to NCF? Thanks for the input, it seems that general consesus is that these boosters are very effective indeed..
    I've been tempted to replace the AC inlet on several amps but the modifications were too extensive.

    I went straight to the FI-50 NCF because I heard a demo of the Siltech Triple Crown. It's a good sign when other cables like the Triple Crown and Audience Au24 SX use the NCF. My dealers has to regularly re-order the FI-50 and Booster due to high demand.

  6. #456
    Senior Member miniguy's Avatar
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    Another enthusiastic vote for the NCF Booster. More air and clarity with less upper mid/lower treble emphasis, making for a more natural and engaging presentation.

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  7. #457
    Can someone that's installed or examined the latest Furutech 105-D NCF wall plate explain the following detail from the Furutech description?

    "Important notice for customers using the 105-D NCF outlet cover with GTX Wall Plate: for improved sonic performance, the 105-D NCF has been designed not to sit on the base of the GTX Wall Plate and the Teflon sheet is not required when fixing the 105-D NCF to the GTX Wall Plate."

    What exactly is this saying? Is it NOT designed to be used with the GTX Wall Plate? The quote seems to say that improved sonic performance is obtained by not placing the 105-D on the wall plate. What is the included Teflon Sheet supposed to be used for?

    I'm thinking of ordering the wall plates but unclear with how they are best designed to be installed - with or without wall plates and with or without a teflon sheet.

  8. #458
    [Industry Expert] Addicted to Best! DaveC's Avatar
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    The 105 D is different from it's predecessor in that it covers the outside edge of the wall plate rather than sit inside of it with it's edges making contact with the teflon sheet. However, both covers are still being sold, the NCF version is about double the price of the non-NCF cover. So with the previous cover you use the teflon sheet, with the NCF cover you do not. I switched from non-NCF to NCF receptacle and cover and left the teflon sheet in place, it doesn't matter so much but with the new NCF cover it's just not being used for anything so it can be discarded.

    Now, with the 105 D NCF sitting on the outside edge of the wall plate there is a small gap in between the cover and receptacle, the screw that attaches it to the receptacle can actually bend the cover as it is tightened and this has a small effect on the sound. I prefer to adjust the cover so there is a small amount of tension, maybe a half turn of the screw past where it makes contact.

    I hope this is clear, it will probably make more sense once the parts are in-hand. Currently, all GTX NCF, wall plates and covers are not in-stock. More should be here in 2 weeks but I'd consider ordering now to make sure you get what you want as the shipment may sell out before it even gets here. This is common after the holidays and took a couple months to catch up last year. I do offer free burn-in, shipping, etc. so please let me know if I can help!
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  9. #459
    Quote Originally Posted by DaveC View Post
    The 105 D is different from it's predecessor in that it covers the outside edge of the wall plate rather than sit inside of it with it's edges making contact with the teflon sheet. However, both covers are still being sold, the NCF version is about double the price of the non-NCF cover. So with the previous cover you use the teflon sheet, with the NCF cover you do not. I switched from non-NCF to NCF receptacle and cover and left the teflon sheet in place, it doesn't matter so much but with the new NCF cover it's just not being used for anything so it can be discarded.

    Now, with the 105 D NCF sitting on the outside edge of the wall plate there is a small gap in between the cover and receptacle, the screw that attaches it to the receptacle can actually bend the cover as it is tightened and this has a small effect on the sound. I prefer to adjust the cover so there is a small amount of tension, maybe a half turn of the screw past where it makes contact.

    I hope this is clear, it will probably make more sense once the parts are in-hand. Currently, all GTX NCF, wall plates and covers are not in-stock. More should be here in 2 weeks but I'd consider ordering now to make sure you get what you want as the shipment may sell out before it even gets here. This is common after the holidays and took a couple months to catch up last year. I do offer free burn-in, shipping, etc. so please let me know if I can help!
    I was wondering about this as well. Great explanation !

  10. #460
    Quote Originally Posted by DaveC View Post
    The 105 D is different from it's predecessor in that it covers the outside edge of the wall plate rather than sit inside of it with it's edges making contact with the teflon sheet. However, both covers are still being sold, the NCF version is about double the price of the non-NCF cover. So with the previous cover you use the teflon sheet, with the NCF cover you do not. I switched from non-NCF to NCF receptacle and cover and left the teflon sheet in place, it doesn't matter so much but with the new NCF cover it's just not being used for anything so it can be discarded.

    Now, with the 105 D NCF sitting on the outside edge of the wall plate there is a small gap in between the cover and receptacle, the screw that attaches it to the receptacle can actually bend the cover as it is tightened and this has a small effect on the sound. I prefer to adjust the cover so there is a small amount of tension, maybe a half turn of the screw past where it makes contact.

    I hope this is clear, it will probably make more sense once the parts are in-hand. Currently, all GTX NCF, wall plates and covers are not in-stock. More should be here in 2 weeks but I'd consider ordering now to make sure you get what you want as the shipment may sell out before it even gets here. This is common after the holidays and took a couple months to catch up last year. I do offer free burn-in, shipping, etc. so please let me know if I can help!
    Thanks for the info. It sounds like the power cable wouldn’t make as “flush” of a connection with the receptacle with the small gap you describe. Is that so? It’s been awhile since I installed my non-NCF outlets/GTX/outlet cover - is the Teflon sheet an accessory that came with the GTX? That’s what I’m inferring from your reply and perhaps better fits the context of the Furutech description of the 105-D.

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