Two Tested 6CU8 RCA NOS NIB Audio Receiver Pre-amplifier Vacuum Tubes. Gray plates, two spacers, separator plates, halo wire getter frames and top getter flashes.
Please review the photos for more detail. Excellent strong test results for Gm.6.2 / 3.4 and 6.0 / 3.5. For Gm, 4.0 / 2.1.
Are the 60% reject points. For reference we used a Triplett 3444A tester. Our standard service is US Postal 1. The item "6CU8 RCA NOS NIB Audio Receiver Pre-amplifier Vacuum Tubes Tested Pair" is in sale since Thursday, September 16, 2021. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Parts & Accessories\Vintage Tubes & Tube Sockets".
The seller is "chukv" and is located in Westwood, Massachusetts. This item can be shipped worldwide.