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What is the difference between a bi-wire speaker connection and double shotgun?
Awaiting the DUH! moment...
Thanks in advance
Follow Ups:
To me, double shotgun would literally imply 4 runs (or could be shot-gunned biwire; doubled biwire). Clearly not a term meant to convey descriptive clarity.
The most commonly used description is as used by Acoustic Zen with their cable they call the "Double Barrel Shotgun speaker cable," for which each side is simply two separate cables, each running positive and negative wires, that are connected together at the amp end, so only one positive lead and one negative lead exist at the amp end, but separated at the speaker end so each of the two cables has both positive and negative leads for a total of four leads at each speaker, for bi-wiring.
I believe the "shotgun" designation comes from the dual cables, which must have reminded someone at some time of a double barrel shotgun.
However, I have also seen the term "shotgun" used to describe the type of cable where the positive and negative leads are totally separated into two distinct and separate cable jackets. Harmonic Technology used to manufacture a cable called Magic Tweeter that used this configuration. Star Sound's Sonoran cables, and others, also use this type of configuration. In this case, a regular single "pair" of speaker cables actually consists of four distinct cables, with each cable hooking up a single polarity. If you bi-wire, you would have eight separate speaker cables, four to each speaker.
Don't be alarmed, confusion is the norm.
I would also add - a double shotgun could be, if your amps has 2 sets of terminals (as my Blue Circle does 2 pair for each channel), and you biwire (as I do), then 2 separate sets of cables, one for the highs, one for the lows - 2 separate terminals both at amp AND speaker - that I would call that setup double shotgun? as it is more than BiWire...
Shotgun is a rather loose term that essentially means a double run of speaker cables for either a bi-wire or non-bi-wire connection -- since a shotgun run can be connected a few different ways, the term is not an exact description of a specific configuration, so I don't use the term.1. Internal bi-wire cable: A single speaker cable per channel that features multiple conductors, some conductors are implemented for the highs, while the others are implemented for the lows. A single internal bi-wire cable is terminated with a single pair of connectors at the amplifier end, while two separate pairs of connectors are terminated at the loudspeaker end for use with bi-wire binding posts.
2. External bi-wire cable: Two separate speaker cables are implemented for each channel, one cable is implemented for the highs, while the other cable is implemented for the lows. For an external bi-wire cable configuration, both cables are either terminated with a single shared pair of connectors at the amplifier end *or* separate connectors for each cable are stacked/tied together on a single pair of amplifier binding posts, while two separate pairs of connectors are used for each speaker cable at the loudspeaker end for use with bi-wire binding posts.
3. Double run: Two separate speaker cables are connected to a single pair of binding posts at both the amplifier end and the loudspeaker end, therefore its function is not that of a bi-wire cable. An external bi-wire cable can function as a double run for non-bi-wire loudspeakers, especially if both cables are symmetrical (same design, with identical materials and geometry).
Edits: 03/30/14 03/30/14 03/30/14
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