6DJ8 / ECC88 has a center value of gain 27 on this tube tester. Gain in Mu, Conductance (Gm) in umho. ( Tube tester not included ).
1 pcs Amperex 6DJ8/ECC88/6922 Dimple Top vintage tube (Holland made)
It is genuinely made in the Netherlands and has excellent sound quality, surpassing all modern tubes.
Very nice pair of Amperex Bugle Boy ECC88/6DJ8
8-Amperex 6DJ8 ECC88 Vintage Electronic Preamp Tubes
Amperex 6dj8 tubes. Tested good on my Dyna-Jet 666.