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==Links== | ==Links== | ||
* [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_other/1A1.html] (pictures of a German-produced 1A1) | * [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_other/1A1.html 1A1 @ amplifier.cd] (pictures of a German-produced 1A1) | ||
==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
File:old_1A1.jpg| early 1A1 (J-like) | |||
File:dual_1A1_2.JPG|left: Nuvistor right: FET | |||
File:dual_1A1_1.JPG|left: Nuvistor right: FET | |||
File:dual_1A1.JPG|left: Nuvistor right: FET | |||
File:1a1_frontend.png|Early 1A1 front end | |||
</gallery> | </gallery> | ||