For Gm, 1.7 is the 60% reject point. For reference we used a Triplett 3444A Tester.The item "6SN7GT RCA Red Letter Audio Receiver Guitar Pre-Amplifier Vacuum Tubes Tested 2" 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.