I suggest separating the 5w 470Ω cathode resistor away from the bypass and power filter capacitors; it gets hot.

My board is built with one caveat. All I had on hand was the large turret board, so it only took up half of it. Looks weird. I'm thinking to order a smaller board and save that one for a future build.
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AES has a 5F1 pre-staked board for $6.00. The last time I tried to cut a board it didn't end well.hacksaw

AES has a 5F1 pre-staked board for $6.00. The last time I tried to cut a board it didn't end well.![]()