12AU7: Difference between revisions
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[[File:Tube 12AU7A.jpg |thumb|350px|right|12AU7A Tube ]] | [[File:Tube 12AU7A.jpg |thumb|350px|right|12AU7A Tube ]] | ||
{{Vacuum Tube | |||
|Type=Double Triode | |||
|Number=12AU7 | |||
|EuroNumber=ECC82 | |||
|Part_nos= | |||
|Description=twin medium-μ triode | |||
|Used_in=555;122;547;C;D; | |||
|Designers= | |||
}} with a center-tapped filament for use in either 6.3 V / 300 mA or 12.6 V / 150 mA heater circuits. | |||
It is likely the first tube manufactured with a {{B9A base}} (from 1946). | |||
The [[5814]] is a high-rel version with increased heater current. | The [[5814]] is a high-rel version with increased heater current. | ||
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|} | |} | ||
{{Tube aging reference}} | {{Tube aging reference}} | ||
==Links== | ==Links== |
Revision as of 10:47, 17 August 2021
The 12AU7 (European: ECC82) is a twin medium-μ triode vacuum tube with a center-tapped filament for use in either 6.3 V / 300 mA or 12.6 V / 150 mA heater circuits.
It is likely the first tube manufactured with a B9A (Noval) miniature 9-pin base (from 1946).
The 5814 is a high-rel version with increased heater current.
Tek part number: 154-0041-00, 154-0287-00
Aged/Checked/Matched Pair Details | ||
---|---|---|
Used in | Tek Part# | S/N Range |
Type C Plug-in (V3203,V4203) | 157-0025-00 | All |
Type D Plug-in | 157-0049-00 | All |
Reference: