SV S1616D Build Questions

First, thanks go to Victor for getting the kit to me so quickly. Your customer service is always top notch.

When I first got the kit, I thought I bit off more than I could chew. But I have gone slowly. Despite that, I caught at least two wiring mistakes during final review and sorted them out prior to applying power.

I have powered it up and nothing has exploded or caught on fire. So far so good.

I am posting my voltages below. As you can see, most everything looks within range. One of my concerns is that I have roughly about a 15% imbalance between the two 12au7s.

Is this a concern? If so, where do I start to try and track it down.

I haven’t tried any music yet to see if it actually works yet. I’d like to sort out the above prior to buttoning it up.
 

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Well, I couldn’t wait until tomorrow. Plugged it in for a test run. Still haven’t put the good tubes but just had to know if it works.

It is producing music. Man, what a great and fun kit. Can’t wait to get it burned in. Will go back in tomorrow to clean up wiring with zip ties, put the good tubes in and enjoy.

Thanks again my friend. You are a pleasure.
 

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Such an amazing amp.

Curious, while I was doing my cleanup and looking things over - the circled item below - what is its function? Both leads run to the terminal strip going nowhere. Nothing else is connected. Is it only used somehow in 230v?
 

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