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


Dear tubemuseumusa,


The Siemens tube is working perfectly in my UM 92, and my mic is sounding beautiful! 

Thank you so much for working with me on this.

- maddstylin



Positive feedback ratingSeller went above and beyond to help me restore my $3000.00 mic! A+++Buyer
 
Nov-02-13 00:59
Positive feedback ratingshipped quickly, item as described. thanks

(SIEMENS EC92 6AB4 for NEUMANN GEFFEL UM57 UM92 1963)
Jul-18-08 11:03


CERTIFIED ULTRA-LOW-NOISE SPECIMEN

TUBE MUSEUM QUALITY 

TUNGSRAM EC92 6AB4



PICTURES OF ACTUAL TUNGSRAM  EC92 TUBES - COMES IN BLUE & RED BOXES! 


1960's NOS EC92 = 6AB4


 1960's TUNGSRAM 

EC92 TUBE

Old Production from HUNGARY


  

THE FINEST YOU CAN GET IN NOS NIB NOISE-TESTED TUBES!

 

CERTIFIED LOW-NOISE SPECIMENS

TESTS BETTER THAN 100% NOS



TUBES were tested on the State-of-the-Art AMPLITREX AT-1000 Electron Tube Test System - AMPLITREX PLATE-CURVE CHARACTERISTICS
 

 All Tubes Tested on Amplitrex AT1000 DIGITAL ELECTRON TUBE TEST SYSTEM

These are rare tubes in this Quality Tested electrical condition

CERTIFIED ULTRA-LOW-NOISE 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

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

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)


TUBEMUSEUM NEW YORK

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