2A61: Difference between revisions

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plate-to-cathode voltage of about 100V.
plate-to-cathode voltage of about 100V.


[[File:2a61 frontend.png|thumb|left|upright|Nuvistor-based front-end amplifier]]
[[File:2a61 frontend.png|thumb|left|upright|[[Nuvistor]]-based front-end amplifier]]
Starting with serial number 987, the front-end differential amplifier
Starting with serial number 987, the front-end differential amplifier
was made with four [[7586]] nuvistor triodes: V424, V425, V524, and V525.
was made with four [[7586]] [[nuvistor]] triodes: V424, V425, V524, and V525.
The parallel combination of V424 and V425 forms one side of the differential amplifier
The parallel combination of V424 and V425 forms one side of the differential amplifier
and the parallel combination of V524 and V525 forms the other side.
and the parallel combination of V524 and V525 forms the other side.
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Audio Generator.
Audio Generator.


 
 
* [http://bama.edebris.com/download/tek/2a61/2a61.djvu Tektronix 2A61 Manual (DjVu)]
* [http://bama.edebris.com/download/tek/2a61/2a61.djvu Tektronix 2A61 Manual (DjVu)]
* [http://w140.com/2a61.pdf Tektronix 2A61 Manual (PDF)]
* [http://w140.com/2a61.pdf Tektronix 2A61 Manual (PDF)]

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