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Gain (NOS Value=17 mu)	16.2 mu	16.3 mu
Transconductance	1496 gm	1501 gm
Noise	-85.1 db	-85.2 db

Gain (NOS Value=17 mu)	16.4 mu	16.4 mu
Transconductance	1401 gm	1417 gm
Noise	-86.6 db	-85.8 db

This is an incredible tube, in a word, this tube is TIGHT. Controlled, yet full bass.. Nice sparkle, but not too bright.. really a linear sound tube with a hint of American tube warmth of course. Tested on a Hi End Maxi-Preamp II tester for Gain (Mu), Transconductance (Gm), and Noise (dB)., Where Gain (NOS Value=17 mu) please view all the photographs provided on the listing for values. the tubes shown in the photos are the exact same tubes that you will receive. All tests are continuously sampled, averaged and then updated every 250 milliseconds for the most accurate measurement. Warranties: Sold as is with no warranty, please view all the photographs provided on the listing.

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