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* [http://www.hakanh.com/dl/docs/hardtofind/2200_ps_noise.pdf Power Supply Audible Noise] | * [http://www.hakanh.com/dl/docs/hardtofind/2200_ps_noise.pdf Power Supply Audible Noise] | ||
* [https://youtu.be/nTL6x8KNkh0 Short Guide for installation of CRT filament modification] | * [https://youtu.be/nTL6x8KNkh0 Short Guide for installation of CRT filament modification] | ||
{{Documents|Link=2213}} | |||
==Pictures== | ==Pictures== | ||
==2213== | ===2213=== | ||
<gallery> | <gallery> | ||
USA Tektronix 2213 Front0.jpg | USA Tektronix 2213 Front0.jpg | ||
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</gallery> | </gallery> | ||
==2213A== | ===2213A=== | ||
<gallery> | <gallery> | ||
Tek 2213a controls.jpg|2213A controls | Tek 2213a controls.jpg|2213A controls | ||
Tek 2213a dual square.jpg | Tek 2213a dual square.jpg | ||
</gallery> | </gallery> | ||
==2213 With Opt | |||
===2213 With Opt.48=== | |||
<gallery> | <gallery> | ||
2213 Rear.jpg|Note how it can operate at 440Hz | 2213 Rear.jpg|Note how it can operate at 440Hz |