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 waves. He turned this Tuxedo Park laboratory into a meeting place for the most visionary minds of the twentieth century; Albert Einstein, and the aforementioned scientists. Today this location is the home of The Tube Museum New York. ( featured on Wikipedia® )
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TUBEMUSEUM NEW YORK
Actual Feedback about these tubes:
Great seller. Packaged with great care and arrived quickly. As described. Beautiful. My microphone's noise floor dropped 20% and their gain increased! |
great tube! very low noise in my c37a NOS 6AU6 EF94 LOW-NOISE CIFTE FRANCE Tube for McINTOSH MR Sony C37A Altec 21 (#232210245099) | Past 6 months |
| Feedback | From | When | |
|---|---|---|---|
 | A 5star vender. Good as gold. 👍👍👍. Delivered 3 days earlier than estimate | Buyer: | During past month |
| NOS 6AU6 EF94 LOW-NOISE CIFTE FRANCE MATCHED PAIR McINTOSH MR Sony C37A Altec 21 (#292003808725) |
) | Feedback | From | When | |
|---|---|---|---|
| A+++ Seller! The tubes are every bit as great as I have read about! Thank you! | Buyer: | During past month |
| NOS 6AU6 EF94 LOW-NOISE CIFTE FRANCE MATCHED PAIR McINTOSH MR Sony C37A Altec 21 (#292003808725) |
) | Feedback | From | When | |
|---|---|---|---|
| Superb company, amazing customer service and great quality products. A*+ 101%!!! | Buyer: | During past month |
| NOS 6AU6 EF94 LOW-NOISE CIFTE FRANCE MATCHED PAIR McINTOSH MR Sony C37A Altec 21 (#292003808725) |
) | Feedback | From | When | |
|---|---|---|---|
| Im a very critical tube buyer. These are actual NOS vintage tubes. Thanks!! | Buyer: | During past month |
| NOS 6AU6 EF94 LOW-NOISE CIFTE FRANCE MATCHED PAIR McINTOSH MR Sony C37A Altec 21 (#292003808725) |
) | Feedback | From | When | |
 | Outstanding quality | Buyer: rstbird69 | During past month |
| NOS 6AU6 EF94 LOW-NOISE CIFTE FRANCE MATCHED PAIR McINTOSH MR Sony C37A Altec 21 (#292003808725) |
| Thank you. | Buyer: frequency302 | |||||||
| NOS 6AU6 EF94 LOW-NOISE CIFTE FRANCE Tube for McINTOSH MR Sony C37A Altec 21 (#232210245099) |
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PRICE is for a MATCHED PAIR!
NOS TUBE MUSEUM QUALITY
World's Most Sought After 6AU6
CIFTE 6AU6 = EF94
DOUBLE-FLAG MILITARY
MADE IN FRANCE IN 1963
6AU6 = EF94
BALANCED MATCHED PAIR
LOW-NOISE AMPLITREX DIGITALLY TESTED
NOS 6AU6 Tube for Sony C37A and Altec 21
..."Listening to these 1963 Cifte 6AU6 may be an unforgettable experience, just like a 1963 vintage Petrus. We have been fortunate to audition many different brands and vintages. That's why tube enthusiasts come to The Tube Museum New York for advice. First we advise you to choose wisely, and excellently. If you've heard a bad tube, which is probably why you are here in the first place - you're searching to find the BEST possible tube for your mic or tuner or preamp. A word of advice - purchase a NOS tube that is several decades old. Young Cifte's are impressive, it ages fantastically and requires more time to break-in than other tubes in it's culmination. Finally, we advise you to condition the tube with care, and give it time to develop in the mic or stereo gear or your precious tuner. Then you will have an opportunity to enjoy an unforgettable experience"... The Museum
PRICE is for a MATCHED PAIR!
| Feedback | From | When | |
|---|---|---|---|
| A+++ Seller! The tubes are every bit as great as I have read about! Thank you! | Buyer: | During past month |
| NOS 6AU6 EF94 LOW-NOISE CIFTE FRANCE MATCHED PAIR McINTOSH MR Sony C37A Altec 21 (#292003808725) | US $44.95 |
PICTURES OF THE ACTUAL NOS CIRCA 1963 TUBES YOU WILL RECEIVE
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 Original Authentic CIFTE FRANCE
LOW-NOISE AMPLITREX TESTED
6AU6 = EF94
Tested on Amplitrex AT1000 Digital Tube Test System
Tested on the Amplitrex AT-1000 with phenomenal results
All tubes test 4,000 to 4,400 mA/V = 100%
Select 1 for a matched pair (2 tubes) @ 4,000 & 4,000 EACH TUBE
Select 2 for a matched quad (4 tubes)
THIS TUBE HAS ZERO (0) uA leaks and zero (0) mA gas
microphonic free Amplitrex Tested Tube
*(4.40 mA/V = 4,400 GM or 100% factory specification)
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
Bid ONE (1) for for the matched balanced pair!
Bid TWO (2) 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.
Per eBay's terms of service which every eBay account holder must agree to as part of being an eBay member, a bid is a legally binding contract. Please read the Terms & Conditions carefully before bidding. By bidding on this auction, you understand and agree to eBay's terms of service as well as all terms and conditions mentioned here.
Buyer pays all shipping, Item must be in original condition including cosmetic lettering on tubes so handle with white-glove care, un-used with all original boxes, packing material, environmentally safe cornstarch pellets, and shipping box. ALL RETURNS subject to a 10% handling charge. Absolutely NO RETURNS on special orders or best-offer deals. All sales are final with NO RETURNS on self installed mic tubes.
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.
THE COST OF ALL USA SHIPPING INCLUDES INSURANCE, TRACKING NUMBER AND DELIVERY CONFIRMATION
THE COST OF ALL USA SHIPPING INCLUDES INSURANCE, TRACKING NUMBER AND DELIVERY CONFIRMATION
ADD JUST $3.99 FOR USPS PRIORITY MAIL 2-DAY IN USA!
"EXPRESS SHIPPING" required for certain countries, (check first before you bid or we reserve the right to cancel your bid)
"EXPRESS SHIPPING" required for certain countries, (check first before you bid or we reserve the right to cancel your bid)