2 x 12au7 Sylvania Tubes. Tested on enhanced Triplet E3444 Laboratory Tester by Paul Hart of Roswell Ga. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable.
4 x 12au7 Tung-Sol Tubes *Very Strong Matched Quad*#18
4 x 12au7 Tung-Sol Tubes. Tested on enhanced Triplet E3444 Laboratory Tester by Paul Hart of Roswell Ga. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable.
2 NOS Philco JAN 12AU7 Vacuum Tubes – 1955 Vintage Audio Twin Triodes
1955-56 Audio Twin Triodes. 2 NOS Philco JAN CBRZ 12AU7 Vacuum Tubes. The tubes are labeled as JAN CBRZ 12AU7. Philco’s manufacture code number 260 is also printed on the tubes. Hickok TV-7D/U tests.
1964 Toshiba 12AU7 PLATINUM PLUS Grade Preamp Amp Tubes Matched Pair 95% NOS
You are purchasing a” Platinum Plus” Grade pair of tubes. Silver Gradetubes are matched within20%, Gold Gradetubes are matched within15% and Platinum 10%. Test scores average 90% to 95% of NOS values.
NOS NIB JJ ECC82 12AU7 PLATINUM GRADE Preamp Amp Tube = (6189 5814 7316 CV-491)
All tubes come with a full 30 day, unconditional, no questions asked, money back satisfaction guarantee! You are purchasing a “Platinum Grade” tube. This means that the plates are very tightly matched on a calibrated Hickok TV-7 or Hickok 799 within 5%. Please see our other listings for “Silver, Gold and Platinum Plus” tubes. Silver Grade tubes are matched within 15%, Gold Grade tubes within 10% and Platinum Plus Grade 1%. The Gold and Platinum Grade tubes are recommended for more critical applications such as your preamp and phono stage.The price listed is for one tube. To purchase more than one , when available, simply change the number in the quantity box which is located just above the advertised price. Please email with any questions and/or concerns.Thank you for viewing my listings.
Gold / 12AU7 ECC82 / Matched Pair / LINLAI / Vacuum Tube / HIFI Amplifier / New
12AU7 ECC82 / Matched Pair / LINLAI / HIFI / Vacuum Tube / Valve Amplifier /New. Type : ECC82 12AU7. Two ECC82 12AU7 ( Matched Pair ).
Sweet TRIO LOT (3) Lot 1955 RCA Long Black Plates Angled “D” Getter 12AU7 ECC82
You are buying a trio (3) lot of the well regarded 1955 RCA long black plates. top angled “D” getters. 12AU7 preamp tubes. These tubes were born in 1955 in the USA. No shorts and are ready to use for your next audio project(s).
1950s RCA USA 12AU7A ECC82 7030 LONG-PLATE SINGLE-TUBE HOLY-GRAIL “D-GETTER” NOS
12AU7A = ECC82 = 7030. RCA USA 12AU7A. 12AU7A FACTORY SPECIFICATION is 10,5mA/10,5mA for 100% mA. REAL 1950s RCA LONG -PLATE 12AU7A. Since The Einstein Preamplifier uses only one 1 x 12AU7, it’s important to have a mirror-matched triode tube, low-noise balanced & matched like this 12AU7A.
TWO Amperex ECC82 12AU7 Vacuum Tubes /Amplitrex Tested / 1955 ’56 Foil D Getter
TWO Amperex ECC82 12AU7 tube. One tube is labeled Amperex one tube is labeled RCA, but both tubes made by Amperex. Tested on Amplitrex AT-1000 computerized tube tester (fixed bias mode). Foil D getters / square foil / angle / slanted D getter.