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Foreigner must put on a great show...

Welcome!!

You learned the value of a pair Don... (here comes Navo)

Amplifiers have a bad habit of amplifying anything that is input to them...

Parts matter Kyle... :-)

Tony Soprano...

You have a full comp setup so I am assuming that your quick check procedure is that of having no devices installed on the backplane boards and testing for bias.Q6 and Q9 typically do not get very warm under any circumstance.

It is rare but sometimes coincidences do happen...glad you are vectored onto finding where the problem is...

You should think of the 2 things as potentially unrelated Kyle. You are assuming the backwards cap had something to do with the bias problem when it could just be a coincidence

U1 has near nothing to do with bias Kyle...

R38 is directly involved...

What are you trying to debug? What is the problem you are chasing? If you are chasing a problem, the lack of R38 could be instrumental.

I agree Bob, that is Seeger's best work on The Distance. Love it every time I hear tunes from that release. I saw Seeger 2 nights back to back (the Garden and the Worcester Centrum) when he blew through New England within the last decade. The Centrum is the best for audio concerts.

Richard, It appears that your board is built as full comp by the picture with the exception that you are missing the 1 ohm resistors in the R38R slot (and possibly the R38L slot as well). The debug instructions you appear to be following are for a quasi comp test, not full comp (I am drawing...

Not enough, keep going...

Just have not brought it to market yet. It is based on the meters used on the White Oak Model ONE amplifier.

I wonder what this extra part is :-) Good stuff George...

George, if you do not plan any rework of the wires attached to the posts, it does no harm to tack the last 1 or 2 wraps to the post with solder. It makes it a bear to rework if you ever intend to rewire (doubt that is your intent).

It does not have a PFC (power factor correction circuit) Kyle

As did IBM and every major computer company at one time or another...properly done, it forms a gas tight seal on each connection.