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new ALCS external crystal controller for Arri SR (and Aaton LTR/XTR too)


Aapo Lettinen

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First very rough test print of the Aaton + Arri SR external crystal controller I am designing. I am aiming for mechanically simple device with minimal buttons and great software features. Small oled display and couple of buttons to select settings, a knob on the side for making manual speed ramps.
 
Dozens of selectable crystal speeds and variable manual speed ramps possible too.
Temperature compensated crystal oscillator (TCXO) for really accurate crystal speeds.
 
This is a preorder-only item finishing in Spring2025, price about 1200usd with one camera specific cable for either Aaton or Arri. Change the cable and menu setting and it works with the other camera type.

20240813_211329 copy.jpg

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Developing the OLED display based user interface for my ArriSR / Aaton external crystal controller. This is the first very rough 3d testprint of the controller body, it will change a lot and might be a tiny bit smaller. but the user interface with 3 buttons and oled display will be approximately this style. 9V battery for scale.

20240816_212210 copy.jpg

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