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The psu is 9V 1A supply. I will double check the voltage at the IC power pin. Good call on trying different 555's. I think I have a few in storage.

Nope!

Both are true ;) Pardon the flux. I Hope it's not the tubes.... I don't have others to test atm and they are both brand new. I also paid the upcharge to have them both tested before shipping to specifically avoid situations like this.

I just finished building my nobelium but it has a weird popcorn type noise on the output. I've done a few things to try and troubleshoot and have ruled out cables and the bass, itself. I've read that this could be caused by cold solder joints so I've also reflowed a bunch of solder joints...