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Interconnects, speaker wire, power cords. Ask the Cable Guys.

RE: terminals

A shotgun run tends to refer to a method that uses all of the conductors of one cable for the positive, and another cable for the negative, which is an incorrect way to connect any type of cable in my opinion. It is not a double run which uses two cables carrying both positive and negative within each cable, nor a bi-wire cable in any way. An external bi-wire configuration involves a separate cable the high-posts, and another cable for the low-posts, both connected to a single pair of posts on the amplifier end.

The two cables can be joined to a single connector, or two connectors can be stacked together. An internal bi-wire cable shares the conductors split into high and low, which decreases the cross section of both. Also, the magnetic fields of the lows affects the highs which is avoided by keeping the highs and lows separated within two dedicated cables via an external bi-wire configuration. A win-win proposition but more expensive than an internal bi-wire cable method.

In the photo you uploaded, a very small barrier spade is shown rather than a narrow spade that would be closer to fitting the space available with more surface area for contact with the large screw and surface. That is fine, but the spade I pointed to would be a better option. The ideal spade is the AudioQuest 1010 spade, and you can choose gold-plated or silver-plated copper.

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