1961 Tower Spike Kit Footprint

Here are some dimensional drawings of the 1961 Tower speaker with the spike kit mounted. 

 

The length of the Spike bar is 25cm. 

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The distance between the centre of the spike bars is 22,56cm.

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The distance from front and back of cabinet to the spike bar is 1,7514cm.

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The distance between the grille and the spike bar is 4,083cm.

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The spike bar width is 2,5cm.

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