***FREE SHIPPING***
TESTED ON A MAXI PREAMP II TUBE TESTER FOR GAIN(Mu), TRANSCONDUCTANCE(Gm) AND NOISE(dB). THE MAXI PREAMP II TESTS TUBES AT 200 VDC PLATE CURRENT 4 TIMES PER SECOND.
Gain(Mu) Section A = 29.7
Gain(Mu) Section B = 29.7
Tester Gain (Mu) Range = 0 - 120
Tester 6DJ8 / ECC88 Expected Gain (Mu) value = 27
Transconductance (Gm) Section A = 5270
Transconductance (Gm) Section B = 5228
Tester Gm Range 0 - 9900
Noise (dB) Section A = -83.7dB
Noise (dB) Section B = -83.5dB
Tester Noise (dB) Range -92dB - 0dB
TEST RESULTS ARE SHOWN IN PHOTOGRAPHS.
I OFFER A 100% REFUND UPON RETURN OF THE ITEM SHOULD IT NOT MEET YOUR EXPECTATIONS OR NEEDS.
LOT 1126