Audio Quest Star-Quad Series ‚¬œ Type 4
The 4-Series of AudioQuest speakers cables may be the most successful in AudioQuest‚¬„s 30+ year history. Type 4‚¬„s roots go all the way back to the late 80‚¬„s. The fundamental geometry and conductor complement of Type 4 hasn‚¬„t changed since 1995 ‚¬¦ because any change to the size or position of the 4-Series‚¬„ 2-sized Spread-Spectrum conductor arrangement would reduce performance.
SOLID LONG-GRAIN COPPER (LGC) CONDUCTORS: Type 4‚¬„s solid Long-Grain Copper allows a smoother and clearer sound than cables using typical OFHC (Oxygen-Free High-Conductivity) copper. OFHC is a general metal industry specification regarding ‚¬œloss‚¬? without any concern for distortion. LGC has fewer oxides within the conducting material, less impurities, less grain boundaries, and definitively better performance. All four of Type 4‚¬„s conductors are solid. Electrical and magnetic interaction between strands in a conventional cable is the single greatest source of distortion, often causing a somewhat harsh, dirty and confused sound. Solid conductors are the most important ingredients enabling Type 4‚¬„s very clear sound. Whether a conductor is solid or stranded, skin-effect is a prime distortion mechanism in speaker cables. Type 4 very simply keeps this effect out of the audio range by using conductor sizes that are below the threshold for audible distortion.
CARBON-BASED NOISE-DISSIPATION and CROSS-TALK-DISSIPATION SYSTEMS (INSULATION):The two negative conductors in Type 4 are insulated with partially conductive Carbon-Loaded Polyethylene. This remarkable material damps radio-frequency garbage from being fed back into the amplifier. The sonic benefit is exactly the same reduction in ‚¬œhash‚¬? and better dimensionality that comes whenever RF garbage is reduced in an audio circuit. Type 4 uses Nitrogen-Injected Foamed-Polyethylene Insulation on its positive conductors because air absorbs next to no energy, and Polyethylene is low-loss and has a benign distortion profile. Thanks to all the air in Foamed-PE, it causes much less of the out-of-focus effect common to other materials.
STAR-QUAD GEOMETRY: The relationship between conductors defines a cable‚¬„s most basic electrical values (capacitance and inductance). However, even when those variables are kept in a reasonable balance, the relationship between conductors can be varied in ways that greatly affect the sound. The Star-Quad construction of Type 4 allows for significantly better dynamic contrast and information intelligibility than if the same conductors were run in parallel.
SPREAD-SPECTRUM TECHNOLOGY (SST): Any single size or shape of conductor has a specific distortion profile. Even though radially symmetrical conductors (solid or tubular) have the fewest discontinuities, any conductor of a particular size does have a sonic signature. SST is a method for significantly reducing the awareness of these character flaws by using a precise combination of different size conductors. The different SST-determined conductor sizes used in Type 4 allow an exceptionally clear, clean and dynamic sound.
TERMINATIONS: AudioQuest offers a wide range of high-quality connectors that allow Type-4 to be securely attached to any type of equipment. Quality is in the low-distortion sound, not necessarily in the eye-candy effect. AQ ends are either a dull looking gold or silver because these metals are plated directly over the connector. There is no shiny and harsh sounding nickel layer underneath. AQ PK-spade plugs are soft because better metal is soft, and facilitates a higher quality connection. For pieces requiring a banana plug or BFA connector the AQ PK-BFA/Banana provides unprecedented performance over conventional brass versions.
All eligible company warranty and service support is being provided on Audio Quest Star-Quad Series ‚¬œ Type 4