Published at Monday, March 25th, 2019 - 20:40:30 PM. wiring. By Lacene Andre.
He loves a rich, woody tone with nice overtones, so a certain cap from Roederstein is his standard. But he also wanted a warm, woolly tone as well as a slightly mid-scooped one, so we installed a rotary switch with his beloved Roederstein cap for the standard sound, a NOS paper-in-oil cap for the warm tone, and a standard “orange drop” cap for a slightly scooped sound. All three caps were 0.033 µF. The original Varitone design. The original Gibson Varitone design used an inductor to create a series of notch filters together with the capacitors. Personally, I think adding the inductor is not the best choice. The design may have worked in the ’50s, but today most of us are looking for different tones. (Joe described the tone of the original design in his article.)
In the example shown, line 5 has the numbers 5 and 11 printed to the right of the line. This means that the load (HR) controls a set of contacts in lines 5 and 11. The contact in line 5 is normally open and the contact in line 11 is normally closed. Many times there are also small numbers printed next to each of the electrical components on the diagram. In our example, we have colored these numbers blue. These smaller numbers represent the manufacturer’s numbers stamped on the actual electrical component. For example, the compressor overload OL2 has the numbers 3 and 4 printed next to it. This means that the wiring shown on the diagram will be physically connected to terminals 3 and 4 on the actual overload. This allows a technician to more easily locate an exact point in the wiring of the system. Lastly, some diagrams will also have a circled number shown next to a line on the diagram. These circled numbers are used to identify the actual wires used on the system.
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