Reference tube is tested first then the tube listed for sale. Test procedure.
eBay
Primium Audio Cable Dual RCA to Dual RCA for AMP Subwoofer Speaker Car DVD 2 RCA Male to Male Shielding Cable 1M 2M 3M 5M 8M 10M
Aliexpress UK
Type: Code Matched Pair 1955 JRC 6189/12AU7WA/ECC82. But this the way of the world now. We are always looking to buy more tubes. Large collections, small collections, it doesn't matter. Looking forward to hearing from you, Dan.
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6.35 To 2RCA Cable, RCA Cable Gold Plated 6.35mm Male To 2 RCA Male Stereo Audio Adapter Y Splitter RCA Cable
Aliexpress UK
6189 JRCRCA Military 12AU7 ECC82 ECC802S Black Plates Halo Getter Long Life E82CC. Made in USA. (see photos for full details). Tube #1: JRC6189 RCA. Date Code: 63-09 (1963?).
eBay
HiFi AUX 3.5mm to 2 RCA Audio RCA Splitter Cable Male to Male 2RCA Speaker Cable 1m 2m 3m Braided jacket MP3 2 RCA Audio Cable
Aliexpress UK
Up for sale is a vintage RCA 12AU7A ECC82 tube, made in the United States in the 1950s. This tube features a long black plate and square getter, and has been tested and confirmed to be in strong working condition. It is perfect for use in vintage audio and video equipment, and is a must-have for collectors of vintage electronics. The tube is branded as RCA and has the model number 12AU7A. Purchase with confidence knowing you are getting a high-quality vintage tube.
eBay
TODN 1 pair RCA audio cable 2 RCA to 2 RCA Interconnect Cable HIFI Stereo 4N OFC Male to Male For Amplifier DAC TV
Aliexpress UK
You are looking at a 5814A ECC802S 12AU7 RCA made in USA NZ A Square Getter 3 Mica Black Plate NOS Vacuum Tube Valve AUG19A. 5814A ECC802S 12AU7 RCA. Square Getter. In very good working condition, only tested in my Audio Note DAC for 1 hour maximum.
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RCA 1m 3m 5m 1 Rca male to 1 Rca female Audio Video Extension Coaxial Cable for HDTV
Aliexpress UK
12AU7 ECC82 Valve Tube. Long Grey Plates, Square Getter. RCA, Made in USA. Fully Tested on AVO VCM 163.
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2RCA Male to 2RCA Female ,2 RCA Extension Cable Nylon Braid 2 RCA Male to 2 RCA Female Stereo Audio Extension Cable 5m/20m
Aliexpress UK
RCA 5814WA Double Triode Tube. NOS and Balanced test results. Tested on AVO 160 With All our tubes are tested for shorts and gas leak. Noval B9A. S = 2.6 / 2.6 mA/V (2.2 = 100 %). Result: Ia = 13 / 14 mA (10.5 = 100 %).
eBay
90-degree HiFi RCA Coaxial Audio Cable Hi-End Rca to Rca Male SPDlF Digital Coaxial cable for DvD Projector TV Speaker Amplifie
Aliexpress UK
12AU7 = ECC82. AUTHENTIC 1955 Amplitrex AT1000 TESTED RCA 12AU7 MATCHED PAIR TUBES. REAL 1955 N.O.S. RCA USA 12AU7. REAL NOS 1955 RCA BLACK-PLATE 12AU7 PAIR. serving as a desirable ECC82 = 12AU7 tube; representing the best of its kind.
eBay
3RCA TO Audio TV DVD Video AV Cable RCA Split Cable Male To Female 3 RCA Male To 6 RCA 9RCA Female Plug Splitter Adapter Cable
Aliexpress UK