6CU8 RCA NOS NIB Audio Receiver Pre-amplifier Vacuum Tubes Tested Pair

  

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, April 8, 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.

1. Model: 6CU8
2. Country/Region of Manufacture: United States
3. Type: Preamp Tubes
4. MPN: Does Not Apply
5. Brand: RCA