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AU-X1

You are absolutely the only one with that modification.

If the regional repair facility was the same for both units, then that became a shop practice.

You said that one of your X1's was obtained near where you live, and the second was bought from eBay.
Was that eBay seller in your region too?

Trust me....That modification is unseen anywhere else.
I'll double check when I get home from work tomorrow morning I could be wrong
 
Wow...
All I can say is I've seen the pictures of X1 innards posted by
Kale (four X1 restorations)
Amp8 (six X1 restorations )
Beatle Fred, Harolda, Vintagear, the X1 restoration on Tapeheads.net, and a few others on other websites
and my two X1s...absolutely none (all of various dates of manufacture) have that modification.

For some reason you got the odd ones.

Now...we all have that one molex plug (the the red, black and blue wired plug in your pic) on the 2775, but that connection between the filter cap rails and the output transistor rails...you have the sole honor of having that.

It could come in handy, it could be an issue. Time will tell.

I think you'll be glad it was installed. You'll likely need that ease of access.

Only the best most experienced techs can sort out an X1 at first try.
 
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Wow...
All I can say is I've seen the pictures of X1 innards posted by
Kale (four X1 restorations)
Amp8 (six X1 restorations )
Beatle Fred, Harolda, Vintagear, the X1 restoration on Tapeheads.net, and a few others on other websites
and my two X1s...absolutely none (all of various dates of manufacture) have that modification.

For some reason you got the odd ones.

Now...we all have that one molex plug (the the red, black and blue wired plug in your pic) on the 2775, but that connection between the filter cap rails and the output transistor rails...you have the sole honor of having that.

It could come in handy, it could be an issue. Time will tell.

I think you'll be glad it was installed. You'll likely need that ease of access.

Only the best most experienced techs can sort out an X1 at first try.
You were right I was wrong the one from California was hardwired I was checking 20160609_151216.jpg pictures on my phone and found this one
 
I worked all night got home at 7:30 am and decided to pull F-2772 and F-2773 boards out.Here are some before pics20160623_080840.jpg 20160623_080854.jpg 20160623_081238.jpg 20160623_081244.jpg
 
:yikes:Good lord...When will you sleep?

Are those tuners yours as well? That is some impressive gear.
Yes I collect sansui gear those are my g9000 and g22000 those speaker boxes are old Sony ss-860's the drivers are p.Audio and piezo horns with spyder woofers. Jamac speakers in Portland Oregon built the crossovers the new speaker boxes are currently under construction
 
Yes I collect sansui gear those are my g9000 and g22000 those speaker boxes are old Sony ss-860's the drivers are p.Audio and piezo horns with spyder woofers. Jamac speakers in Portland Oregon built the crossovers the new speaker boxes are currently under construction
Those speakers are 300 watts each
 
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