Re: Clumsy Quad 2 error
Don't worry about the choke wiring Andy. There are four terminals on the choke plate. The two on the left (mostly hidden under the resistor) connect internally to the choke and externally to the right place in the HT smoothing circuit. The two that you can see aren't connected to anything at all inside the choke can*. They are put there for exactly the job they are doing i.e. mounting the KT66 cathode circuit R and C.
Cheers,
GJ
*Except that the choke itself is potted in bitumen and is held in place by nothing else. Over decades of warm running the very slightly fluid bitumen can allow the choke gradually to sink under gravity, and one of its connecting wires can come into contact with the back of one of those cathode component terminals. Bang !
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