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I am not a number, I'm a free tweeter

Power Acoustik NB-2 200-Watt 3-Way Tweeters

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  • Cone tweeters were popular in older stereo hi-fi speakers designed and manufactured in the 1960s and 1970s as an alternative to the dome tweeter (which was developed in the late 1950s). Cone tweeters today are often relatively cheap, but many of those in the past were of high quality, such as those made by Audax/Polydax, Bozak, CTS, JBL, Tonegen and SEAS. These vintage cone tweeters exhibited very flat frequency response, low distortion, fast transient response, a low resonance frequency and a gentle low-end roll-off, easing crossover design.

    Cone tweeters have the same basic design and form as a woofer with optimizations to operate at higher frequencies. The optimizations usually are:

  • Typical of the 1960s/1970s-era was the CTS "phenolic ring" cone tweeters, exhibiting flat response from 2,000 to 15,000 Hz, low distortion and fast transient response. The CTS "phenolic ring" tweeter gets its name from the orange-colored edge suspension ring that it made from phenolic. It was used in many makes and models of well-regarded vintage speakers, and was a mid-priced unit.

    Various materials are used in the construction of compression driver diaphragms including titanium, aluminium, phenolic impregnated fabric, and , each having its own characteristics. The diaphragm is glued to a voice coil former, typically made from a different material from the dome, since it must cope with heat without tearing or significant dimensional change. Polyimide film, , and glassfibre are popular for this application. The suspension may be a continuation of the diaphragm and is glued to a mounting ring, which may fit into a groove, over locating pins, or be fastened with machine screws. The diaphragm is generally shaped like an inverted dome and loads into a series of tapered channels in a central structure called a , which equalizes the path length between various areas of the diaphragm and the horn throat, preventing acoustic cancellations between different points on the diaphragm surface. The phase plug exits into a tapered tube, which forms the start of the horn itself. This slowly expanding throat within the driver is continued in the horn flare. The horn flare controls the coverage pattern, or directivity, and as an acoustic transformer, adds gain. A professional horn and compression driver combination has an output sensitivity of between 105 and 112 dB/watt/meter. This is substantially more efficient (and less thermally dangerous to a small voice coil and former) than other tweeter construction.

    USB 7504 - 3x7 inch Piezo Horn Tweeter for USB 7400

  • Thanks to its very high impedance our Piezo tone loudspeakers load your amplifier only slightly. Crossover filter needles in this set, resistance in set with tweeter is all you need.

    Tweeters designed for sound reinforcement and musical instrument applications are broadly similar to high fidelity tweeters, though they're usually not referred to as tweeters, but as "high frequency drivers". Key design requirement differences are: mountings built for repeated shipping and handling, drivers often mounted to horn structures to provide for higher sound levels and greater control of sound dispersion, and more robust voice coils to withstand the higher power levels typically encountered. High frequency drivers in PA horns are often referred to as "" from the mode of acoustic coupling between the driver diaphragm and the horn throat.

Welcome to our SEAS Prestige tweeter product line.

This all changed when I had them hooked up to my Lepai mini-amp on my workshop desk. Closer to the wall and at lower volume, the lost frequencies returned. The sound was full and fun. And the tweeter kept shining. I realized that these speakers really excel as true bookshelves in more-nearfield applications. They weren’t going to fill a big room. But boy did their character change in a small one!