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McIntosh Audio A Tradition of Excellence

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  #21 (permalink)  
Old 02-15-2012, 07:44 PM
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Very nice!!!!
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Old 02-15-2012, 09:32 PM
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Quote:
Originally Posted by Dj_AmTraX View Post
I am running stock 12at7 tubes in the C2200.

I have a question about the C2200. I noticed the meters are not resting at zero when no audio. I replaced the two 12AX7 with new Tung Sol, but the 12at7 are stock. Could those tubes cause the meters to move when no audio in the line?
Mike.......Do the meters change position when the C2200 is in Standby?
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Old 02-15-2012, 09:40 PM
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Quote:
Originally Posted by jdandy View Post
Mike.......Do the meters change position when the C2200 is in Standby?
No. It rests at zero only when the power is off.
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Preamps/tuners:McIntosh C50, C46, MR88, MR73, C2200, C22ce, Cary SPL-98L
Integrate amps:McIntosh MA6100, Denon PMA2000ivr
Amps: McIntosh Mc602, Mc2000, Mc275 MK-V, Cary 805ae mono blocks.
Speakers: JMLab Mezzo Utopia, Focal Twin6 BE, Tannoy Mini Autograph
Headphones: Sennheiser HD800, Beyer T1, Denon D7000, Grado RS1i, Sony MDR-SA5000, MDR-Z1000, AKG K701, and many many more
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Old 02-15-2012, 09:50 PM
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Quote:
Originally Posted by Dj_AmTraX View Post
No. It rests at zero only when the power is off.
Mike.......That could be an issue with tubes. I would try replacing the Tung-Sol tubes with the stock just to see what happens, or it might be the stock 12AT7 tubes. It has been my experience with McIntosh stock tubes, 12AX7's and 12AT7's, that they are noisy. A little tube rolling might solve the problem.

It could also be an issue of induced noise coming in on interconnects. Do the meters return to zero when you select different inputs? Do the meters return to zero with no interconnects plugged into the C2200, only the power cord?
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Old 02-15-2012, 10:14 PM
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Mike Very nice, the C2200 and the MC2000 belong together. Try Telefunken ECC83 on both pre C22 and C2200 and you will be in heaven.
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Old 02-16-2012, 12:02 AM
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Great video Mike.....you're getting really good at these. Keep it up....we want to see more.
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  #27 (permalink)  
Old 02-19-2012, 11:15 AM
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Dan nailed it! It turned out to be a unbalanced RCA input causing the noise. The meters are so sensitive that it showed the noise. I'm running balanced cables now and bought a pair of Gold Lion 12AX7 to be installed. Thanks for the help guys.
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~Your pet is your best investment~

Preamps/tuners:McIntosh C50, C46, MR88, MR73, C2200, C22ce, Cary SPL-98L
Integrate amps:McIntosh MA6100, Denon PMA2000ivr
Amps: McIntosh Mc602, Mc2000, Mc275 MK-V, Cary 805ae mono blocks.
Speakers: JMLab Mezzo Utopia, Focal Twin6 BE, Tannoy Mini Autograph
Headphones: Sennheiser HD800, Beyer T1, Denon D7000, Grado RS1i, Sony MDR-SA5000, MDR-Z1000, AKG K701, and many many more
Digital Sources:Sony SCD-1 & SCD777es, CDP-XA7es, 2010 Mac Mini Music Server, Amarra Mini player, Musical Fidelity V-Link & M1 DAC, Apogee Mini-DAC & Duet 2
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Old 02-20-2012, 11:58 AM
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Mike thanks for sharing an awesome Video of your McIntosh gear
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Old 02-20-2012, 12:09 PM
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Beautiful equipment Mike! Thanks for putting together the video and sharing it with us. I'd love to own that 50th anniversary set someday - so far I only have the poster!
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Old 02-20-2012, 12:15 PM
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very nice
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