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#1
04-21-2019, 10:01 AM
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Irrational But Efficacious
I just bought a used copy of the Ayre CD Irrational But Efficacious and ran it on my Oppo BD205 at about 40% on the McIntosh MA8000. After, I played a jazz recording of my own making through my Teac X1000R. I have to say, it just sounded overall better.
What did this CD do to my amp? Well, whatever it is, it was a noticeable improvement. Not earth shattering, but just more clarity and coherence. Anyone use this CD? I think I'll run it on the little bedroom system and the Woo Audio headamp as well.
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McIntosh MA8000; McIntosh MC1502; Canton Vento Reference 1 DC; E.A.T. E-Flat; Soundsmith Paua Mk II; Technics SL 1210 MK5; Audio Technica AT-150 MLX; Tascam BR-20; Teac X1000R; Pioneer RT-707; Oppo UDP 205; Denon DCD A-100; HP All-In-One Touchscreen Server; JRiver MC 28; Woo Audio WA6; Shure SRH 1840; SVS SB 1000; Jolida 502BRC; Jolida JD9; VPI 16.5 RCM; Wireworld Oasis 8 Speaker Cables; Audoquest Columbia 72 DBS IC's; Panamax PM-5400 (source components only) Last edited by FreddieFerric; 04-21-2019 at 10:05 AM. 
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#2
04-21-2019, 10:20 AM
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Nobody can explain how it works but it does!
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Audio Room: CH Precision I1, Esoteric k01XD, Lab 12 Melto 2, Luxman PD-171A TT, Roon Nucleus, Stenheim Alumine Three, Silversmith Fidelium speaker cables, Siltech 680 interconnects, Shunyata Sigma USB Cable, Audioquest Hurricane PCs, Shunyata Everest,CORE Design racks, Stein Harmonizers, HRS damping plates, Stillpoints and all that other silly stuff. Office: Luxman L-595A SE, Diapason Neos speakers, HiFi Rose RS150B, Nordost Frey 2 Interconnects, Tellurium Q Silver speaker cables,
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#3
04-21-2019, 10:21 AM
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I have it and used it. To me it did make an improvement. I run it maybe every month or so and always as soon as I get new stuff.
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Paul Speakers: Von Schweikert VR-5 Anniversary MK II Front L/R, LCR-35 Center, VR-1 Rear L/R Sub: JL Audio F113 Amps: PS Audio BHK Signature 300 Mono, McIntosh MC207 Pre-Amp PS Audio BHK Signature and Gold Note PH-10 Phono Stage/PSU-10 Power Supply Turntable: VPI HR-X 12.7 TONEARM (2) and SDS, Stillpoints LPI Tape Deck Otari 5050B II2 Music Server: Aurender N100H Cartridges: Ortofon Cadenza Black, Lyra Helikon Mono Digital Source: Oppo UDP-205 DAC: Holo Audio Spring 3 KTE SSP: Marantz AV8801 Cables: Wireworld Electra 7 (P) Wireworld Silver Eclipse 7, Shunyata Delta NR (I) Wireworld Silver Eclipse 7 (S) Wireworld Platinum Starlight 7 (USB) AC Power Regeneration: PS Audio DirectStream P15 Power Plant and Shunyata Denali 6000s V2.
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#4
04-21-2019, 10:28 AM
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I have never done this but will keep my eyes out for a copy.
I’m sure this will raise many eye brows on the discussion board.
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#5
04-21-2019, 12:30 PM
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It’s a good disc but not nearly as good as the PAD disc
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#6
04-21-2019, 02:54 PM
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Quote:
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McIntosh MA8000; McIntosh MC1502; Canton Vento Reference 1 DC; E.A.T. E-Flat; Soundsmith Paua Mk II; Technics SL 1210 MK5; Audio Technica AT-150 MLX; Tascam BR-20; Teac X1000R; Pioneer RT-707; Oppo UDP 205; Denon DCD A-100; HP All-In-One Touchscreen Server; JRiver MC 28; Woo Audio WA6; Shure SRH 1840; SVS SB 1000; Jolida 502BRC; Jolida JD9; VPI 16.5 RCM; Wireworld Oasis 8 Speaker Cables; Audoquest Columbia 72 DBS IC's; Panamax PM-5400 (source components only)
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#7
04-22-2019, 02:16 AM
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Pic? Just google Purist Audio Design
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#9
04-22-2019, 11:35 AM
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At least once monthly. I run the demag sweep daily before critical listening. Some folks use the disc to warm up their tubes with. My system is all tube but I don’t run it that often.
I also highly recommend Jim Hagerman’s frycorder2 and Frybaby2 be used every six months or so. [emoji106][emoji106] I’m sorry I’m not doing pics. Just too hamfisted mentally to figure it all out these days. [emoji23]
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