The Amperex Bugle Boy ECC86 is a vintage vacuum tube made in West Germany, featuring a precision rating of 82/76. This tube is a sought-after collector's item for enthusiasts of vintage audio and video equipment. With the Amperex brand known for its quality and reliability, this ECC86 model is sure to bring a touch of nostalgia and authenticity to any audio setup. Testing on Precision 10-12 76/100 82/100 Last photo shows what appears to be a small piece of mica loose in envelope.
Great matched pair. Test strong @ 80%. Rated Strong. No shorts. Tested with Knight 400A Tube Tester.