#21
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Interesting re: the KT88. i can't remember how the batch I had a year or so ago tested.
I can verify that these Genalex re-issued 12AX7's test HOT like Sylvania's. They are all pegged around 2000gm. Seem well constructed and well-balanced. |
#22
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From 6moons.com
July 2010 - New Sensor reissues - Ian Large of UK valve importation house Alium Audio announces that "New Sensor have just sent us some promo pics of the new Genalex Gold Lion noval range of valves which are made to extremely tight tolerances, with balanced sections and gold pins as the current cream of the crop from the New Sensor factory in Russia. "I attach photos of the 12AU7,12AX7 and E88CC. If these are as good as the KT88/KT66 and EL84 reissues, then it is good news indeed for us to be able to buy new stock that approaches the quality of the famed Golden Age of 1950/1960's production. "With vintage Mullard CV4004s selling for astronomical amounts, these are well worth a try and are reckoned to be a close substitute. USA website RRP is $136/pair, our Euro price is £65/pair+VAT." |
#23
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Anxiously awaiting for the 12AT7 variety (that is, if they've decided to do that tube).
Anyone else try the 12AX7GENGP Gold Pins?????? Bob
__________________
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. |
#24
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I have a pair, but that rig is down for another week or two.
FYI, I heard a rumor there will be a 300B reissue also.
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2CH: W4S DAC-2, W4S STP-SE, W4S SX-500, Custom ScanSpeak/SEAS Towers, Hot Rodded Rega TT and Jolida JD9 Phono Pre, Asynch PC Transport, WireWorld Gold Eclipse 6 XLR HT: Marantz AV7005, W4S Mini MC-5, Custom Waveguide Towers, SVSPB12-Plus/2 |
#25
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How do you do A/B test
Hi,
How do you do? do you replace all tubes or only half (the ones of a channel)? I'm interesting in make a test suite with selected clips of 10-15 seconds of music. First i'll remix in mono, then burning into 3 tracks: one with only left channel, other with only right and third with two channels. Different tracks for various intruments, vocals, chorus, orchestra... With differents tubes in each channel section will be easy detect accuracy, coloring, detail grades of both. Has anyone done this experiment before? Could be a risk for the amp if the tubes perfectly equivalents? |
#26
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Quote:
Bob, but the production is started? I just ordered one pair (and backup) for my MC275. I have currently: 3 - Raytheon JRP-12AX7 Black Plate NOS 4 - Mullard CV4024-12AT7WA NOS 4 - Genalex Gold Lion KT88 |
#27
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Quote:
The 12AX7GENGP's that I have are a beautiful looking tube and currently have them in the MC phono slots in the C500T (too lazy or have been too lazy to slot others in the front porch). Bob
__________________
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. Last edited by vintage_tube; 08-20-2010 at 11:00 AM. |
#28
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meloman.......Welcome to Audio Aficionado.
Interesting experiment idea with different tubes on each side of a two channel amplifier. Keep us posted about your findings.
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Dan STUDIO - McIntosh C1000C/P, MC2301 (2), MR88, Aurender N10, Esoteric K-01X, Shunyata Sigma spdif digital cable, Sonos Connect, PurePower 2000, Stillpoints, Furutech Flux 50, Michell Gyro SE, Michell HR Power Supply, SME 309, Ortofon Cadenza Black, Wireworld, Sonus faber Amati Anniversario LIVING ROOM - McIntosh C2300, MC75 (2), MR85, Magnum Dynalab 205, Simaudio MOON Neo 260D-T, Schiit Audio Yggdrasil, Aurender N100H, Shunyata Sigma USB cable, Micro Seiki DD40, Ortofon Cadenza Blue, Nakamichi BX-300, Sony 60ES DAT, PS Audio P10, Furutech Flux 50, Sonos Connect, Stillpoints, Wireworld, Kimber, PMC EB1i, JL Audio f113 VINTAGE - McIntosh MA230, Tandberg 3011A tuner, Olive 04HD, Sony DTC-59ES DAT, McIntosh 4300V, JBL 4312A Last edited by jdandy; 08-20-2010 at 12:25 PM. |
#29
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Bob.......I will be curious to hear your impression of the New Sensor Gold Lion 12AT7 tubes. I wonder if they will be as high output as your new Gold Lion 12AX7 tubes.
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Dan STUDIO - McIntosh C1000C/P, MC2301 (2), MR88, Aurender N10, Esoteric K-01X, Shunyata Sigma spdif digital cable, Sonos Connect, PurePower 2000, Stillpoints, Furutech Flux 50, Michell Gyro SE, Michell HR Power Supply, SME 309, Ortofon Cadenza Black, Wireworld, Sonus faber Amati Anniversario LIVING ROOM - McIntosh C2300, MC75 (2), MR85, Magnum Dynalab 205, Simaudio MOON Neo 260D-T, Schiit Audio Yggdrasil, Aurender N100H, Shunyata Sigma USB cable, Micro Seiki DD40, Ortofon Cadenza Blue, Nakamichi BX-300, Sony 60ES DAT, PS Audio P10, Furutech Flux 50, Sonos Connect, Stillpoints, Wireworld, Kimber, PMC EB1i, JL Audio f113 VINTAGE - McIntosh MA230, Tandberg 3011A tuner, Olive 04HD, Sony DTC-59ES DAT, McIntosh 4300V, JBL 4312A |
#30
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I picked up a set of the New Sensor Gold Lion 12AxT7 tubes, though I haven't installed them in the C500 yet. Currently have a set of Electro Harminoux in the Phono section, couldn't believe how much better they sounded compared to the crappy stock tubes!
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McIntosh MA12000, Hifi Rose RS150B Streamer, Roon Nucleus + Server, JBL Classic L100 Classic 75s, REL S812s (x2), Pioneer PL-630 Vintage TT with Hana SL cart. |
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