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  1. #1
    Senior Member
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    Apr 2015
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    North Central Florida
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    McIntosh C2300 Tube Test Day

    I test my tubes in my gear once a year, usually in June. I have been a bit lax this year, but today I managed to motivate myself into pulling the McIntosh C2300 out of the living room rack and testing the 12AX7 tubes in the line stage and moving coil phono stage. I have Gold Lion ECC83/12AX7 tubes in the line stage and Telefunken ECC83/12AX7 tubes in the moving coil phono stage. My tube tester for small tubes is the Maxi-Preamp 2 from Maxi-Test. After 15 months daily use of the C2300, both pairs of 12AX7's still tested strong and closely matched. No reason to install new tubes at this time. That's good news. I reinstalled the tubes in the preamp, and reinstalled the preamp in the rack and got back to listening. I love my C2300 preamplifier. It's feature rich, quiet as a mouse, sounds remarkable, is built like a tank, and is all analog. What's not to like about that.







    Dan

    STUDIO - McIntosh C1000C/P, MC2301 (2), MR88, Aurender N10, Esoteric K-01X, Shunyata Sigma spdif digital coax,
    Sonos Connect, Stillpoints Ultra SS & Ultra Mini, PurePower 2000, Furutech Flux 50, Michell Gyro SE, Michell HR Power Supply, SME 309, Ortofon Cadenza Black, Sonus faber Amati Anniversario

    LIVING ROOM - McIntosh C2300, MC75 (2), MR85, Magnum Dynalab 205 Signal Sleuth, Sonos Connect, Simaudio MOON Neo 260D-T, Schiit Audio Yggdrasil, Aurender N100H, Shunyata Sigma USB cable,
    Sony DAT 60ES, Nakamichi BX-300, Micro Seiki DD40 w/m505A tonearm, Ortofon Cadenza Blue, PS Audio P10, Furutech Flux 50, Stillpoints Ultra Mini, PMC EB1i, JL Audio f113

    VINTAGE - McIntosh 4300V, McIntosh MA230, Tandberg 3011A tuner, Olive 04HD, JBL 4312A

  2. #2
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    Apr 2013
    Location
    NY
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    17,208

    Re: McIntosh C2300 Tube Test Day

    That’s pretty amazing and awesome for such a lot of use. Goes to show how McIntosh is easy on tubes.
    Wharfedale Linton w/ stands, Avantgarde Duo XD, Klipsch RB-75, Klipsch RP-160M.

    Luxman 590AXII (incoming), Job INTegrated

    Conrad Johnson GAT2, Wyred 4 Sound STP-SE Stage 2, Misho Myronov Wooden pre.

    Misho Myronov Wooden amp, First Watt SIT-3 (x 2 - one as backup), First Watt F7 (incoming), Job 250 Monos, Valvet E2se, NuForce STA200, AkitikA GT-102 amp, ASL Wave monos, Dennis Had 45 monos.

    RME Audio ADI-2 DAC FS, Lumin U1 mini, ModWright Ultimate Sony XA-5400ES, Audio Mirror Tubadour III NOS R2R Tube Dac w/ SE upgrades.

    Burmester 948, McIntosh MCLK12, Kimber Kable, Siltech, Cardas, Avanti Audio cables.

  3. #3
    Senior Member
    Join Date
    Sep 2017
    Location
    Seattle
    Posts
    1,785

    Re: McIntosh C2300 Tube Test Day

    Wow Dan, if your a tube owner that’s a cool device to possess.

    What’s something like that cost?


    Sent from my iPhone using Tapatalk Pro
    Source Analog: Kuzma Stabi R with 4point 9 arm & Kuzma 40 Cartridge
    Source Digital: Aurender N10 | Brinkmann Nyquist MK II
    Amplification: Dan D’Agostino Momentum Pre Amp and Monos | Boulder Phono 508
    Speakers: Wilson Alexias
    Cabling: Nordost Valhalla 2/Odin: power, interconnects & speaker | Ansuz: C2 power & interconnect | Audioquest Diamond RJ45’s
    Power: Nordost QRT series | Furutech FP55SN cable from 20 amp breakers to Furutech GTX D NSF packages | Keces P3 & P8 | ADD POWR series | Environmental Potential EP2050
    Other: HRS M3X | Stillpoints Ultra 6, SS & Mini | Nordost Sort Cones TC & BC | AQ Vox SE switch | etherREGEN | Gigafoil v4 | Vicoustics | Audio Desk Systeme - Gläss








  4. #4
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    Apr 2013
    Location
    NY
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    Re: McIntosh C2300 Tube Test Day

    https://www.maximatcher.com/maxipreamp.html

    Current pricing is $989.00

    It has certainly gone up lately.

    Attached Images Attached Images
    Wharfedale Linton w/ stands, Avantgarde Duo XD, Klipsch RB-75, Klipsch RP-160M.

    Luxman 590AXII (incoming), Job INTegrated

    Conrad Johnson GAT2, Wyred 4 Sound STP-SE Stage 2, Misho Myronov Wooden pre.

    Misho Myronov Wooden amp, First Watt SIT-3 (x 2 - one as backup), First Watt F7 (incoming), Job 250 Monos, Valvet E2se, NuForce STA200, AkitikA GT-102 amp, ASL Wave monos, Dennis Had 45 monos.

    RME Audio ADI-2 DAC FS, Lumin U1 mini, ModWright Ultimate Sony XA-5400ES, Audio Mirror Tubadour III NOS R2R Tube Dac w/ SE upgrades.

    Burmester 948, McIntosh MCLK12, Kimber Kable, Siltech, Cardas, Avanti Audio cables.

  5. #5
    Senior Member
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    Apr 2015
    Location
    North Central Florida
    Posts
    3,484

    Re: McIntosh C2300 Tube Test Day

    Quote Originally Posted by UltraFast69 View Post
    Wow Dan, if your a tube owner that’s a cool device to possess.

    What’s something like that cost?
    Ed.......I purchased my Maxi-Matcher 2 power tube tester and the Maxi-Preamp 2 small tube tester at the same time in November of 2013. Delivered the total price was $1706.12. At that time the Maxi-Matcher 2 was $675.00 and the Maxi-Preamp 2 was 989.00. The current price for the Maxi-Matcher 2 power tube tester is $749.00. The current price for the Maxi-Preamp 2 small tube tester is $989.00.

    https://www.maximatcher.com/






    Dan

    STUDIO - McIntosh C1000C/P, MC2301 (2), MR88, Aurender N10, Esoteric K-01X, Shunyata Sigma spdif digital coax,
    Sonos Connect, Stillpoints Ultra SS & Ultra Mini, PurePower 2000, Furutech Flux 50, Michell Gyro SE, Michell HR Power Supply, SME 309, Ortofon Cadenza Black, Sonus faber Amati Anniversario

    LIVING ROOM - McIntosh C2300, MC75 (2), MR85, Magnum Dynalab 205 Signal Sleuth, Sonos Connect, Simaudio MOON Neo 260D-T, Schiit Audio Yggdrasil, Aurender N100H, Shunyata Sigma USB cable,
    Sony DAT 60ES, Nakamichi BX-300, Micro Seiki DD40 w/m505A tonearm, Ortofon Cadenza Blue, PS Audio P10, Furutech Flux 50, Stillpoints Ultra Mini, PMC EB1i, JL Audio f113

    VINTAGE - McIntosh 4300V, McIntosh MA230, Tandberg 3011A tuner, Olive 04HD, JBL 4312A

  6. #6
    Senior Member
    Join Date
    May 2013
    Location
    Sydney
    Posts
    1,498

    Re: McIntosh C2300 Tube Test Day

    I used to run Telefunken tubes with my C2300. They were expensive and awesome sounding
    Source: TW Raven AC-3 - Thales Simplicity II, Graham Phantom, SME 3012-R, Exclusive P3,Technics SL-1000MK3D,Linn LP12 - Naim ARO
    Cartridges: Lyra Atlas SL Etna SL, Delos, Dynavector XV-1s,Technics EPC100mk4, Ortofon A90, GM Royal, GM Classic, Denon ESC'd 103R, DL-S1, Audio Technica AT25, OC9II, Linn ESC'd Troika
    Phono Stage: TW Acustik phono, Accuphase C-37
    EQ: ​DEQX HDP-4
    Preamp: conrad johnson GAT,
    Amps: conrad johnson teflon premier 8a's, D'Agostino Momentum S250
    Speakers: Wilson Maxx3

  7. #7
    Senior Member
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    Apr 2015
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    North Central Florida
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    Re: McIntosh C2300 Tube Test Day

    Quote Originally Posted by XV-1 View Post
    I used to run Telefunken tubes with my C2300. They were expensive and awesome sounding
    Shane.......One of the reasons I run Telefunken tubes in the moving coil phono stage of the C2300 is to take advantage of their low noise. The Maxi-Preamp 2 tester has a test for noise. The Tele's are 2.5dB to 3dB quieter than the Gold Lion 12AX7's I use in the C2300 line stage. I have also tested the Telefunken ECC83/12AX7 tubes against Tung-Sol, Siemens, Philips, and Mullard. The Teles are the champion of low noise. And I agree, they sound very good.
    Dan

    STUDIO - McIntosh C1000C/P, MC2301 (2), MR88, Aurender N10, Esoteric K-01X, Shunyata Sigma spdif digital coax,
    Sonos Connect, Stillpoints Ultra SS & Ultra Mini, PurePower 2000, Furutech Flux 50, Michell Gyro SE, Michell HR Power Supply, SME 309, Ortofon Cadenza Black, Sonus faber Amati Anniversario

    LIVING ROOM - McIntosh C2300, MC75 (2), MR85, Magnum Dynalab 205 Signal Sleuth, Sonos Connect, Simaudio MOON Neo 260D-T, Schiit Audio Yggdrasil, Aurender N100H, Shunyata Sigma USB cable,
    Sony DAT 60ES, Nakamichi BX-300, Micro Seiki DD40 w/m505A tonearm, Ortofon Cadenza Blue, PS Audio P10, Furutech Flux 50, Stillpoints Ultra Mini, PMC EB1i, JL Audio f113

    VINTAGE - McIntosh 4300V, McIntosh MA230, Tandberg 3011A tuner, Olive 04HD, JBL 4312A

  8. #8
    Senior Member
    Join Date
    May 2013
    Location
    Sydney
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    1,498

    Re: McIntosh C2300 Tube Test Day

    Quote Originally Posted by jdandy View Post
    Shane.......One of the reasons I run Telefunken tubes in the moving coil phono stage of the C2300 is to take advantage of their low noise. The Maxi-Preamp 2 tester has a test for noise. The Tele's are 2.5dB to 3dB quieter than the Gold Lion 12AX7's I use in the C2300 line stage. I have also tested the Telefunken ECC83/12AX7 tubes against Tung-Sol, Siemens, Philips, and Mullard. The Teles are the champion of low noise. And I agree, they sound very good.
    agreed Dan. Tele tubes are the best for low noise. I kinda wished I kept the C2300, but sold it as a set with my 2 x 2102's. But, you can't keep everything unfortunately.
    Source: TW Raven AC-3 - Thales Simplicity II, Graham Phantom, SME 3012-R, Exclusive P3,Technics SL-1000MK3D,Linn LP12 - Naim ARO
    Cartridges: Lyra Atlas SL Etna SL, Delos, Dynavector XV-1s,Technics EPC100mk4, Ortofon A90, GM Royal, GM Classic, Denon ESC'd 103R, DL-S1, Audio Technica AT25, OC9II, Linn ESC'd Troika
    Phono Stage: TW Acustik phono, Accuphase C-37
    EQ: ​DEQX HDP-4
    Preamp: conrad johnson GAT,
    Amps: conrad johnson teflon premier 8a's, D'Agostino Momentum S250
    Speakers: Wilson Maxx3

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McIntosh C2300 Tube Test Day

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