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About the Triaxiom 15"
The Goodmans Triaxiom 15" is a vintage high-efficiency loudspeaker driver made in England during the 1960s and early 1970s. It features a 15-inch gold-colored woven paper cone with an accordion surround and a horn-mounted tweeter in the center, designed as a coaxial driver for wide frequency response and clarity. The speaker is known for its robust construction with a massive diecast chassis, extra-long 3" diameter voice coil, and large Feroba II magnet. It has a nominal impedance of 15-16 ohms and a power rating around 30 to 50 watts, making it suitable for low-powered tube amplifiers. The driver is highly sensitive, with quoted sensitivities around 95-100 dB, and is praised for its transparency and durability, with surrounds that rarely deteriorate. It is recommended to be used in a fairly large enclosure for best performance, and it excels in delivering clear, musical sound with good bass response. The speaker is considered collectible and can be found on the secondhand market, often
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