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Includes 2 tubes a Matched Pair!

TUBEMUSEUM NEW YORK

NOS SYLVANIA 12AX7 MATCHED PAIR

LONG-PLATES with RARE "D-GETTERS"

LOW-NOISE NEW OLD STOCK! 

 TUBE MUSEUM QUALITY
labelled for Baldwin

 NOS SYLVANIA USA ECC83 - 12AX7

)NOS SYLVANIA ECC83 12AX7 PLATINUM MATCHED-PAIR with AMPLITREX TOP TEST RESULTS! - Picture 3 of 12


Made in USA 

CERTIFIED ULTRA-LOW-NOISE SPECIMENS WITH WARMER TONE

)NOS SYLVANIA ECC83 12AX7 PLATINUM MATCHED-PAIR with AMPLITREX TOP TEST RESULTS! - Picture 11 of 12

Actual Matched Pair Visual Test Results

tube 1: 1,800 / 1,700 uMhos = 108%/106% (mA/V) - WOW! 

tube 2: 1,700 / 1,600 uMhos = 106%/100% (mA/V) - WOW! 

TESTED AT REAL-WORLD POWER LEVELS ON AMPLITREX AT-1000 


)NOS SYLVANIA ECC83 12AX7 PLATINUM MATCHED-PAIR with AMPLITREX TOP TEST RESULTS! - Picture 4 of 12

                                           NOS SYLVANIA made in USA 
                                      ECC83 - 12AX7

All our tubes are Tested on Amplitrex AT1000 Digital Tube Test System

PASSED THE AMPLITREX DIGITAL TESTS

Low-Noise Tested Microphonic Free

No H-to-K Leakage (Heater-to-Cathode) No leaks (0) zero!

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

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 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


BID 1 FOR 1 TUBE

TUBEMUSEUM NEW YORK