The 4DT6 is the same as the 6DT6 except for the following items: Heater, for Unipotential Cathode: Voltage (AC or DC). Current. Warm-up time (Average).
4 Us-made 4DT6 4DT6A Vacuum Tubes Valves NOS NIB Lot of ...
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These four new old stock, new in box US-made 4DT6 / 4DT6A tubes tested to spec on our Paul Hart-calibrated TV7/U. BECAUSE OF THE BIZARRE, INTRUSIVE AND ...
4DT6A. Sharp-Cutoff Pentode. 0.450 ± 0.030 amp. 4.2. 11 volts sec. With Two ... The 4DT6A is the same as the 6DT6A except for the following items: Heater ...