NOS USAF 6189 12AU7-WA ECC802S AIR-FORCE TUBE PAIRS PERFECT TRIPLE-MICA NEW 1960 (#292040130430). Awesome tube rare and beautiful. NOS JAN CBRZ 6189 12AU7-WA LANSDALE. AIR-FORCE TUBE PERFECT BLACK-PLATES NEW 1955 (#291251908357). Made in USA in 1960. NOS General Electric USA. AF (AIR FORCE) 6189/12AU7 WA. BEAUTIFUL MATCHED TRIODE TUBES. Some pictures of actual tubes with original box. (60-XX) = year 1960 and XXth week production. Print will vary as this is a multiple listing. 6189 = 12AU7-WA = E82CC = ECC802S = CV4003. Wavac prt1 preamp. Audio Note M1 preamp. Audio Note M3,5,8 phono preamp. VTL TL 7.5 MKII preamp. VTL 6.5. Audio Note M8. Super Quiet Long-Life 12AU7-WA exhibiting a total sonic tapestry of music. This tube is exhibits a exceptional broad frequency spectrum, a real reference quality 12AU7 recommended for the best audio double triode. GE USA factory made engineered TRIPLE-MICA inner construction 12AU7-WA = ECC802S Premium Product. In 1960 for the U. “6189” permanent un-erasable GLASS-ETCH. ALL PICTURES ARE OF THE ACTUAL TUBE YOU W. ALL TUBE MUSEUM TUBES ARE TESTED IN THE “FIXED-BIAS” MODE. Most vintage tube testers test tubes by using fixed bias. So, if you are trying to compare test results between the AT1000 and other testers, this is the best way. The Tube Museum ALWAYS choose the “fixed bias mode” while testing our tubes. We only test in the. “Fixed-bias” circuit, this way drift or aging of the tube will not be compensated for. ZERO (0) HEATER-CATHODE LEAKS! 2,900/2,900 & 2,900/2,860. 2,200/2,200 = 100% FACTORY DATA SHEET SPECIFICATION. THESE TUBES ARE “TOP-FLIGHT” REAL “TOP-GUN” TUBES! LAST 2 PAIRS AVAILABLE! 2,850/2,850 & 2,800/2,700. 2,600/2,600 & 2,500/2,500. TubeMuseum tested tubes always give you the test results in clear understandable FACTORY-DATA. So you can compare with the real factory data sheets in mA and mA/V, just like the original factory data sheet specifications! Takes the guesswork out of the process of selection. Delivering you the best Audio tubes that there possibly can be. PASSED THE AMPLITREX DIGITAL TESTS = and NO HEATER-TO-CATHODE LEAKS! We do not low declare and we insure for full value. RETURN AUTHORIZATION (RA) number and instructions is required before sending any items. We do not guarantee that your tester, or your tester’s measurements will be the same as the Amplitrex AT-1000. Required for certain countries. The item “NOS USAF 6189 12AU7-WA ECC802S AIR-FORCE TUBE PAIRS PERFECT TRIPLE-MICA NEW 1960″ is in sale since Thursday, March 15, 2018. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Parts & Accessories\Vintage Tubes & Tube Sockets”. The seller is “tubemuseumusa” and is located in Tuxedo Park, New York. This item can be shipped worldwide.
- Model: AIR FORCE 12AU7WA
- Country/Region of Manufacture: United States
- Product Type: Vacuum Tube
- Grading: AMPLITREX TESTED
- TUBE Type II: 6189
- TUBE TYPE: 12AU7-WA
- EUROPEAN TUBE NUMBER: ECC802S
- Brand: GE
- Type: NOS Tubes
- MPN: 6189/12AU7WA
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