(Manufacturer Mullard. Mullard Code I63 B5A4 / B5B4. Number 12AX7 ECC83. Pulled from a Hammond tube organ. T he Tube tested at 85% (2.03125 x 42.0 = 85.3 %). 3 2 = 65% of the value of a new tube. Tested Plate 1) 42.0 / 44.0 Plate 2) 42.0 / 44.0.
1960s Zenith Circle of Sound record player with Gusdorf stand record rack combo. It needs adjust to play the 45s automatic. You can play them manually though. Great MCM look and function. Only player stand speakers included. no Records are included.
Short gray ribbed plates with top halo getter. Known for their excellent tonal qualities. Baldwin got the best of the best low-noise tubes. Although used, these tubes are testing excellent and the pair you will receive will test at least 90% of minimum new spec (49/49) on each triode on my TV-7 tester (e.g., 45/48).