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Is this some kind of Master Clock? Ground Control to Major Tom

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After months of waiting for its turn I have finally found some time and fixed Esoteric P-500 transport.

Works (and looks) like new.

But it has this thing installed (by "Tom" in 1992) which I have no idea what it actually is or does.

It has an optical cable sticking out of it as if it was to accept some data (sync?) from another device.

It is visible in second picture (on the right) leaving the black box via the red tube.

Looks like it is done reasonably professionally, maybe apart from securing the fiber optics cable at its entry to the player.

Any ideas?











Edited by rockeater

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I suspect that may be some form of synchronization link for hooking up the external DAC to prevent jitter problems.

I read that Trevor Lees used to do mods on these units so it may have been done by his shop.


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Thanks for that Weka.

I will contact Trevor Lees next week.

I was howver hoping for many more people - particularly the clock enthusiasts from Qld - to voice their opinions 

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