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12AU7: Difference between revisions
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|Part_nos= | |Part_nos= | ||
|Description=twin medium-μ triode | |Description=twin medium-μ triode | ||
|Used_in=555; | |Used_in=122;547;555;575;581;581A;585;585A;C;D;181 | ||
|Designers= | |Designers= | ||
}} with a center-tapped filament for use in either 6.3 V / 300 mA or 12.6 V / 150 mA heater circuits. | }} with a center-tapped filament for use in either 6.3 V / 300 mA or 12.6 V / 150 mA heater circuits. | ||