RARE HOLY GRAIL NOS Brimar Angle D Getter Long Black Box Plate 1950 ECC8 G2U
2 tubes RCA 5814A black plates matched pair rectangular getter
2 x 5814A tubes RCA = ECC802s 12AU7. The desired result in the application is therefore purely random. Gm: 2,230 + 2,100 and 2,200 + 2,130 (100% = 2,200 ± 0,400).
Tungsram ECC82 (12AU7) Matched Pair / Quartet /More NOS ACCURATE TESTED Quality
TUNGSRAM ECC82 NOS Original ( Absolute Analog 12AU7 ). MATCHED Pairs / Quartet / Sextet. You Will Be Satisfied! Fair Price For Perfectly Matched Tubes! Buy Only Honest Tested Tubes! The Tube Has Been Tested With The Caibrated L1 – 3 Tube Tester.
Radiotechnique RTC ECC82 12AU7 Tubes, Platinum Matched Pair, NOS, Tested
I have over 62 years of experience in many facets of electronics design and repair. I have been working with tubes since I was 12 years old. I am an active ham radio operator and have been for 62 years.
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).
Quad 4 Conn by RCA 12AU7A ECC82 Tubes, Closely Matched, Clr Top, Lg Pl, #2
From a larger lot of RCA / Conn tubes mostly from the 50s/60s. Tube are matched by Gm. Power tubes like the 6L6 are tested only with the 686 which includes plate current (Ip), shorts and gas tests.
Matched Quad Telefunken ECC82/12AU7 Long Ribbed Plate Diamond Bottom 1956 Strong
Matched Quad (4). Long Ribbed Plate. Made very early in 1956 with small logo. Diamond on Bottom. Tested in my preamplifier to make sure working as intended with no issues at all. I will almost always reply at least within 24 hours.
Siemens (Telefunken Label) 12AU7/ECC82 Long Plate Angled D-Getter Germany 1956
Angled D-Getter. Made in Germany in 1956. Made in March 1956 in Germany. Long Plate. Date Code: k61 ≠6D. I will almost always reply at least within 24 hours.
National 12AU7 / ECC82 RFT East Germany Tube – Strong Tested, Low Microphonic/
National-labeled 12AU7 / ECC82, made in East Germany by RFT. This tube tests strong and well balanced on both sections. Test results: Gain: 16.4 / 16.1 mA/V: 1.45 / 1.44 Noise: -84.8 dB / -85.7 dB Microphonics are very low — only a barely audible tap when touched, with no ringing, lingering, or feedback.
12AU7 SIEMENS ECC82 CHROME PLATE VINTAGE TUBE NOS (1962) *eTracer #SIE2L1
All test within the dataset expected for a new tube on our eTracer curve tracer. Triode #1 – Plate Current = 9.31mA Rp = 8247 Gm = 2072 Mu = 17.1 Corners = PASS. Triode #2 – Plate Current = 9.21mA Rp = 8659 Gm = 1993 Mu = 17.2 Corners = PASS.
