Historic TubeMuseum, Tuxedo Park, New York Established in 1928 as a premier research facility in Tuxedo Park, New York, that attracted such brilliant and most visionary minds of the twentieth century - Albert Einstein, Werner Heisenberg, James Franck, Niels Bohr and Enrico Fermi to name a few.  The Tuxedo Park lab attracted these top-flight scientists who experimented with audio, sound, time measurement, and radar (first klystron tube). Welcome to the ...

TUBEMUSEUM NEW YORK

TUBEMUSEUM NEW YORK

New York & NEW Florida Office location to better serve you


IMPOSSIBLE TO FIND ANYWHERE NOS

EUROPE HAS STOPPED SHIPPING TO U.S.A.

BECAUSE OF TOO HIGH TARIFFS & POST OFFICES HAVE STOPPED 

SHIPPING ANYTHING BUT LETTERS TO U.S.A.!

If you purchase any item that ships from outside the U.S.A., you will need to pay DUTY RATE Receiver or Amplifier Tubes of 35%, Import Fees (TBD) and Processing Fees (TBD). 

TARIFFS INCURRED BOTH-WAYS FOR THE SENDER AND RECEIVER

WITH DIFFERENT RATES DEPENDING ON COUNTRY OF ORIGIN WHERE THE ITEM WAS MADE!

ALL TUBE MUSEUM ITEMS SHIP FROM U.S.A. to the U.S.A. at the price you see with NO TARIFFS, & FREE SHIPPING to U.S.A.!

πŸ‡ΊπŸ‡Έ AMERICANS: AVOID $UPRISES BY BUYING FROM AMERICA! πŸ‡ΊπŸ‡Έ


ACTUAL FEEDBACK ABOUT THESE PHENOMENAL 6AU6's:



  • starrsound777 (31)- Feedback left by buyer.
    Past year
    Verified purchase
    I've used lots of tubes that cost $30 or $40 so i invested more and purchased this tube (from Tube Museum) and let me tell you what a difference the depth, clarity, and sonic width and transient separation is amazing
  • quenteriouparnel0 (30)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Great condition as listed and labeled, great price! 
  • wj_tre_ch4nnb6e (33)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Worked better than expected!!!!!!
  • FEEDBACK
    FEEDBACKFROMWHEN
    Buyer: shawndau84 (146)
    US $339.84
    Verified purchase
    Past month



    Positive feedback ratingA 5star vender. Good as gold. πŸ‘πŸ‘πŸ‘. Delivered 3 days earlier than estimate 
     


     


    Positive feedback ratingA+++ Seller! The tubes are every bit as great as I have read about! Thank you!
     

     


    Positive feedback ratingSuperb company, amazing customer service and great quality products. A*+ 101%!!!
     





    Im a very critical tube buyer. These are actual NOS vintage tubes. Thanks!!
     



    Positive feedback ratingOutstanding quality
     





    Positive feedback ratingThank you.







    PRICE is EACH! Bid 2 for 2 tubes, 4 for 4...

    6AU6 SAME AS SONY MARKETED OEM LOW-NOISE AMPLITREX DIGITALLY TESTED microphone quality 6AU6 Tube for Sony C37A and Altec 21.  

    Not any "run-of-the-mill" tube will be quiet enough for MICROPHONE use! 

    About 5 tubes out of 50 tubes only QUALIFY for MICROPHONE USE!

    Professionals microphone builders KNOW you just can't use ANY tube, only SPECIAL-SELECTED tubes will work in your microphone! Most bargain-basement versions are plagued with Heater-to-Cathode Leaks, Gas, and Noise!

    NOS TUBE MUSEUM QUALITY

    MICROPHONE-TESTED *O.E.M.6AU6 = EF94

    "GOLD-GRID" VERSION

    for SUPERIOR PERFORMANCE

    SONY's ORIGINAL EQUIPTMENT

    MAUFACTURER

    * O.E.M: WHAT DOES THE TERM O.E.M. MEAN? *OEM (Original Equipment Manufacturer) typically refers to the manufacturer of the original equipment.


    NOS SONY OEM LOW-NOISE 6AU6 Tube for SONY C800G C37A Altec 21 WARM Audio WA-8000 - Picture 1 of 7


     SONY USED "SPECIALLY SELECTED" 6AU6 TUBES, AS DID TELEFUNKEN, SIEMENS, AND OTHERS!

    THESE ARE O.E.M. HAND SELECTED FOR MICROPHONE USE!

    OEM typically refers to the manufacturer of the original equipment

    PICTURES are OF THE ACTUAL REAL-NOS GOLD-GRID Soviet-Union ERA TUBE(S) YOU WILL RECEIVE

    TUBE 1: AMPLITREX TESTED @ 4,500 (105%)  SOLD!

    TUBE 2: AMPLITREX TESTED @ 4,450 (103%) AVAILABLE!

    TUBE 3: AMPLITREX TESTED @ 4,450 (100%) AVAILABLE!

    TUBE 4: AMPLITREX TESTED @ 4,400 (100%) AVAILABLE!

    TUBE 5: AMPLITREX TESTED @ 4,400 (100%) AVAILABLE!

    TUBE 6: AMPLITREX TESTED @ 4,900 (111%) AVAILABLE!


    6AU6 = EF94


    "GOLD-GRID" VERSION

    NOS "GOLD-GRID" SONY OEM LN 6AU6 Tube for SONY C800G C37A WARM Audio WA-8000 NEW - Picture 7 of 7

    PICTURES OF THE ACTUAL NOS GOLD-GRID TUBE(S) YOU WILL RECEIVE

    for SUPERIOR ELECTRICAL PERFORMANCE


    LOW-NOISE AMPLITREX DIGITALLY TESTED

    O.E.M. AVAILABLE NOW! LIMITED QUANTITIES!

    NOS 6AU6 Tube for Sony C800G, C37A, and Altec 21

    PRICE is EACH! Bid 1 for 1 tube

    A tad longer than a the Diamond < > Telefunken 6AU6. The length of the tube is insignificant, it's the tube's performance that matters.


    6AU6 SAME AS SONY OEM LOW-NOISE AMPLITREX DIGITALLY TESTED microphone quality 6AU6 Tube for Sony C37A and Altec 21.  

    Not any "run-of-the-mill" tube will be quiet enough for MICROPHONE use! 

    About 5 tubes out of 50 tubes only QUALIFY for MICROPHONE USE!

    Professionals microphone builders KNOW you just can't use ANY tube, only SPECIAL-SELECTED tubes will work in your microphone! Most bargain-basement versions are plagued with Heater-to-Cathode Leaks, Gas, and Noise!

    "GOLD-GRID" VERSION

    for SUPERIOR PERFORMANCE

    BRILLIANT CLEAN NOS WITH RHODIUM PINS AND OUTSTANDING MATCHED RESULTS. 

    NOS SONY OEM LOW-NOISE 6AU6 Tube for SONY C800G C37A Altec 21 WARM Audio WA-8000 - Picture 2 of 7

    PICTURES OF THE ACTUAL NOS TUBE(S) YOU WILL RECEIVE

    BEAUTIFUL NOS IN WHITE BOX.


    NOS SONY OEM LOW-NOISE 6AU6 Tube for SONY C800G C37A Altec 21 WARM Audio WA-8000 - Picture 6 of 7

    * THESE TUBES LABELLED TELEFUNKEN & SIEMENS NOT FOR SALE AND NOT AVAILABLE!

    SONY, TELEFUNKEN, SIEMENS, AND OTHER COMPANIES DIDN'T MAKE THESE TUBES - SONY JUST RE-LABELLED SPECIAL SELECTED TUBES SUITABLY TESTING FOR MICROPHONES

    These are the highest quality 6AU6 tubes, such high quality that in the 1970's ...

    * SONY, TELEFUNKEN and SIEMENS of WEST GERMANY sourced & labeled these EXACT SAME tubes as their own! The picture above shows you this fact!

    "GOLD-GRID" VERSION

    for SUPERIOR PERFORMANCE

    Recommended for: McIntosh Tuners & Microphones 

    - Schoeps CM61 mic 

    -Sony C37A and Altec 21 

    - C800G Sony mic 

    - C37A Sony mic 

    - McIntosh Model MR FM Tuners: 

    MA 6 Multiplex adapter for MR66 x 1 tube 

    MR 55 Tube. AM-FM Mono. x 3 tubes 

    MR 55A Tube. AM-FM Mono. x 4 tubes. 

    MR 65 Tube. Mono. x 4 tubes 

    MR 65B Tube. FM tuner Stereo. x 4 tubes 

    MR 66 Tube. Mono/stereo. x 4 tubes 

    MR 67 Tube FM tuner. Stereo. x 3 tubes 

    MR 71 Tube. FM Stereo. x 4 tubes 


    Note: COMPARISION OF THE SAME IDENTICLE TUBE BEING OFFERED - TELEFUNKEN-SIEMENS 6AU6 vs. SIEMENS 6AU6 - ARE THE SAME IDENTICAL TUBE! 

    The Telefunken labeled tube pair is displayed for historical purposes only and NOT included in this sale, but were available at one time way back when. 

    These are the highest quality 6AU6 tubes, such high quality that in the 1970's SONY, Telefunken and SIEMENS of Western Germany, sourced & labeled these tubes as their own! Telefunken , SONY, and SIEMENS would not have put their name on these tubes, if they were not the best possible highest quality tubes!

    The Telefunken and Siemens labeled tubes are displayed for historical purposes only and NOT included in sale!


    6AU6=EF94 / 6AU6A Sharp-Cutoff RF Pentode


    Recommended for:

    McIntosh Tuners & Microphones

    - Schoeps CM61 mic

    -Sony C37A and Altec 21
    - C800G Sony mic
    - C37A Sony mic
    - McIntosh Model MR FM Tuners:
    MA 6 Multiplex adapter for MR66 x 1 tube
    MR 55 Tube. AM-FM Mono. x 3 tubes
    MR 55A Tube. AM-FM Mono. x 4 tubes.
    MR 65 Tube. Mono. x 4 tubes
    MR 65B Tube. FM tuner Stereo. x 4 tubes
    MR 66 Tube. Mono/stereo. x 4 tubes
    MR 67 Tube FM tuner. Stereo. x 3 tubes
    MR 71 Tube. FM Stereo. x 4 tubes

     

    Change your TUNER or MICROPHONE into something better with

    TUBE MUSEUM CERTIFIED

    LOW-NOISE AMPLITREX TESTED

    6AU6 = EF94

    "GOLD-GRID" VERSION

    for SUPERIOR PERFORMANCE

    Tested on Amplitrex AT1000 Digital Tube Test System

      

    Tested on the Amplitrex AT-1000 with phenomenal results


    All tubes test 3,800 to 4,400 mA/V = 100%


    Select 2 for a matched pair (2 tubes)

    Select 4 for a matched quad (4 tubes)


    THIS TUBE HAS ZERO (0) uA leaks and zero (0) mA gas

    microphonic free Amplitrex Tested Tube


    Actual tube was tested on the State-of-the-Art AMPLITREX AT-1000 Electron Tube Test System


    CERTIFIED ULTRA-LOW-NOISE MUSEUM SPECIMENS

    TubeMuseum tested tubes takes the guesswork out of the process of selection delivering you the best Audio tubes that there possibly can be.   


    Terms of Auction

    6AU6 "GOLD-GRID" VERSION

    for SUPERIOR PERFORMANCE

    Attention: Warranty Void and No Returns if STICKER on tube is removed.

    Bid ONE (1) for A SINGLE TUBE! Bid TWO (2) for the matched balanced pair!

    Bid FOUR (4) for the matched balanced QUAD!

    International Buyers - Please note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying. We do not low declare and we insure for full value.

    NO ZERO (0) FEEDBACK BUYERS - YOU NEED PRIOR PERMISSION TO BID OR BUY 

    Item must be in original condition including cosmetic lettering on tubes so handle with white-glove care, un-used with all original tube museum boxes, packing material, environmentally safe cornstarch pellets, and shipping box

    All exchanges must be pre-paid and returned in original packing, complete with no sign of wear or abuse, exactly the same condition as it was when you received it. In the event that the product is not in the same condition, and does not test the same as you received it, you will be subject to a refusal and return, a determined restocking fee, repair charge, or disqualification. RETURN AUTHORIZATION (RA) number and instructions is required before sending any items. Shipping and handling charges are non-refundable.

    We do not guarantee that your tester, or your tester's measurements will be the same as the Amplitrex AT-1000. Older testers, different testers, or the same tester may report different test measurements, and may not measure the same tube meaningfully (due to current dependency), accurately (due to calibration difficulties) or consistently (due to internal circuit drift) There is no warranty or returns based on what any other tube tester reports. All sales are final with NO RETURNS on self installed mic tubes.

    Attention: Warranty Void and No Returns if STICKER on tube is removed.
    THE COST OF ALL USA SHIPPING INCLUDES INSURANCE, TRACKING NUMBER AND DELIVERY CONFIRMATION

     Please SEE my other ebay Auctions :

     Visit this seller's eBay Store! 

    TUBEMUSEUM NEW YORK

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