#31
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#32
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Welcome aboard, Marc.
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Jim Bedroom: Aurender N150-->Bryston BDA-3-->EMIA Elmaformer Cu passive line stage-->conrad-johnson MF2500-->Paradigm Studio 20 v.5 Wireworld Eclipse IC and SC Shunyata Delta D6, Alpha XC, Delta NR v.2, Alpha USB; Altaira CG Hub Stillpoints Aperture II; Ultra SS; Ultra Mini GIK Monster; 242 Butcher Block Acoustics Maple Platforms |
#33
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Gotta bring this chestnut up again.
Really noticed the additional tube noise/hiss when I inserted the prem350 into the system. Back to the prem8a tube amps and still hiss was there ( not as loud) regardless of volume. Then put in a pair of Telefunken PCC88's and no noise. Pulled out another pair of cj eh 6922's ( lucky I have a few left over from my spare set for the art) and put them into the GAT. No noise - WTF? This is 4 pairs of eh 6922's that have started silent and turned noisy. never had these issues with the prem16 nor art and they had a lot more tubes. |
#34
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Shane,
IIRC, I've read a number of reports of GAT owners who found their tubes became noisy after a relatively short period of use. Could be that GATs are hard on their tubes, after all.
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Lumin P1 streamer/DAC/preamp, Constellation Inspiration integrated TT: Michell Gyro SE MkII, SME V, Koetsu Urushi Vermilion, EAR324. Harbeth 30.2s, REL R-305, Shunyata Alpha V2 ICs, Alpha V2 SPs, Sigma XC, Sigma NRv2, Omega QR-s & Alpha NRv2 PCs, segmented Altaira SG stack w/ Alpha & Omega CGCs, Everest 8000 PD. Remote Server Room: Uptone EtherREGEN, AfterDark Master Clock & LPS, Alita, Battle Angel, (Akasa NUC Roon Core), iFi DC Purifiers (for SMPS used for Alita & router), Shunyata Gemini combo power distributor & Altaira-type CG GP-NR hub, Venom & Alpha CGCs, Shunyata NRv14 power cords for digital components. |
#35
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Quote:
That's not a happy feeling. He has been in contact with CJ & I don't know what they have suggested/mentioned/etc. Best Bob
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Amps:VAC 450iQ Monos in Silver Flake on HRS M3X2-1921's, HRS G7 Footers/G-Links & Sound Anchor Conecoasters. Preamp:VAC Statement (on order) (Silver Flake) Digital Source: dCS Rossini CD/SACD Transport, Vivaldi APEX DAC, Upsampler Plus & matching Clock (Silver) Analogue Preamp:VAC Renaissance SE Phono stage in Silver Flake with XLR Output Option & with Nordost Valhalla XLR's. Analogue Sources:SME 20/2 w/SME V arm & Nordost Odin 2 Tone Arm Cable, Palo Santos Presentation Cartridge & Akai GX-400D Reel-to-Reel w/relapped heads by JRF Magnetic Sciences. Akai RC-17 cabled remote (original owner since 1974). Vibration Control:TT on HRS M3X2-1921 shelf. Speakers:Wilson Audio Alexia V (on order in Ferrari Argento Silver/Parchment grills sitting on Acoustic Diode Kit). Power Cables:4 Nordost Odin Supreme Reference on amps, preamp & DAC. Ansuz Acoustics C2 on Transport & Clock. Power Distribution:Ansuz Mainz D3 Distributor & Ansuz Mainz C2 1M Power Cable Power Outlets:Furutech GTX-D NCF (R) duplex outlet, GTX Wall Plate & Duplex Cover (x2) on dedicated, same panel phase, 20A breakers. Speaker Cables:2M Nordost Odin 2 Supreme Reference on Nordost Sort Lifts. Signal Cables:Nordost Odin XLR's on dCS DAC & Amps. Digital Cables: Nordost Odin 2's, 110-ohm AES/EBU on dCS Transport to DAC. Clock Cables:5 each 75 ohm 1.25M Nordost Valhalla BNC/BNC Digital Ethernet Cable: WireWorld Platinum 1M Starlight® 8 Twinax Headphones:Vintage Koss Pro IV AA. RCM: Audio Desk PRO Tube Test Gear:Mint late '60's/calibrated Heathkit TT-1A, MaxiMatcher Power Amp & Preamp & Space Tech Labs ATT-3.02 tube test sets. |
#36
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I still am using my original set.
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Myles Astor, Senior Editor., Positive-Feedback.com, Goldmund Telos 300 amplifier, Goldmund Mimesis 37S Nextgen preamplifier, Doshi EVO phono and tape stages; Zellaton Plural EVO speakers; VPI Vanquish Turntable, VPI 12-inch Fat Boy gimbal arm and SAT LM-12 arm; Lyra Atlas SL Lambda, Fuuga mk.2, vdh Colibri Master Signature cartridges; Technics 1506/FM heads; Various cables including TA, MIT, Kubala-Sosna, Skogrand, Viero L3 Equilibrio speaker cables, Audience, SRA Craz 3 rack, Isobase and OHIO Class XL+2.1 platforms. |
#37
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My original set is still quiet. I've tried a few sets of NOS tubes and they've all been or turned noisy. I finally got sick of it and tried all my tubes... the only ones that were dead quiet are the original EH 6922s. Maybe that's the benefit of getting them from c-j, they reject the noisy tubes before sending them to customers.
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Wilson Yvette speakers, Conrad-Johnson ART88 pre, TEA1bc phono, and ART27A Amplifier, Marantz digital player, Rega Planar 10 turntable / Apheta 3 cartridge,Wireworld Gold and Platinum Eclipse IC and speaker, I AQ Hurricane, Tornado power cables, Shunyata Denali 2 conditioner, dCS Bartok DAC/Streamer |
#38
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Quote:
I wonder if the voltage makes a difference. Ie. 230-240 vlt. Vs 120 vlt. Are the transformers for 240 vlt spec'd correctly for 240 vlts? I will contact cj as I am pissed. Last edited by turntable; 09-16-2012 at 06:57 PM. |
#39
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#40
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I never had an issue with my GAT or ET5 for that matter. I am actually thinking about replacing my GAT with another one, because I liked it so much. |
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