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Emotosound High Resolution Air Motion Ribbon Super TweetersAn ideal enhancement for performance loudspeakersOne Pair – As new condition
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With switch selectable 12,15 or 20 kHz crossover
provides greater audio spectrumcontribution compared to the Townshend Maximum90dB V 70dB @ 16kHz and 90dB V72dB @ 20kHz The compact super tweeters are designed to both compensate for high frequency roll off and extend the effective frequency band width of a loudspeaker system up to 40kHz (ultrasonic frequency) and to provide a +3dB gain that is a doubling of sound pressure level contribution to the high frequency spectrum of music, at and above the crossover frequency at thespecified sensitivity (90dB)These super tweeters have an integral first order, solen split -6dB/octave crossover that allows the super tweeters to be connected directly in parallel with the host loudspeakers.
The addition of the super tweeters to a loudspeaker system provides aperceived increase in music clarity, detail and air to music, especially vocals and percussion, however the audible results of super tweeters does depend onthe spectral content of music, as super tweeters can only reproduce high frequency content of the music being reproduced. In order for the increase high frequency the contribution to be noticeable the sensitivity of the loudspeaker system and the super tweeter should be the same plus or minus two decibels.These super tweetrs provide a greater audible spectral contribution to music at a higher level and extend a loudspekers response up to 40kHz, double the audio bandwidth.AMT type (Air Motion Transducer) tweeters use ground breaking transducer technology from the original Heil Air MotionTransformer concept to provide ultra-clean, detailed, and dynamic high frequency reproduction. The pleated aluminium laminated kapton ribbon diaphragm of an AMT provides a large acoustic radiating area condensed into a compact chassis, for extremely high output for its size and improved power handling and additionally they have a very flat frequency response.The discernible motion of each diaphragm flexure is very small, but because of the folded structure, more airis moved more than would be by a conventional cone or electrostatic driver ofthe same plotted surface area. As a matter of surface comparison, although the folded driver design is only 20 mm x 20 mm it has an effective radiating surface of 80 mm x 20 mm, this combined with the small motion range, means the AMT acts like apoint source version of a larger driver, inherently resulting high output and lower distortion compared to a conventional ribbon tweeter and dome tweeter (see picture 5)The high-pass crossover can be set to either 12kHz, 15kHz or 20kHz for optimum audio spectral contribution and integration with the host loudspeaker. Sensitivity of the super tweeters can be accurately adjusted byswitch provides an attenuation of either; 0dB, -5dB or -10dB to suit both your speaker sensitivity and personal preference.Housed in compact anodised black aluminium enclosures, these supertweeters will adorn any loudspeaker from both a performance and visual perspective.Includes one pair of connection leads terminated with 4 mm banana plugsfor quick out of the box connection, just connect to loudspeaker terminal in parallel The super tweeters should be position aligned with the host loudspeakers tweeter both vertically and the same depth offset for optimal time and phasealignment. Technical Specification: Transducer: ATM type folded aluminium laminated kapton substrate isodynamic folded ribbon, magno-static neo magnet motor system with protective grille. MaximumSensitivity: 90dB – 1W/m. Impedance 8 Ohms CrossoverOrder: First order -6dB/octave. CrossoverFrequency: 12kHz / 15kHz / 20kHz
Usablefrequency response: up to 40 kHz. Power Rating: 150 Watts program Connection:colour coded 4mm terminals Finish:silver anodised aluminium Size: W 67mm x H- 50mm D – 130mm approx. Please note that it is the buyers responsibility to ensure that their system is compatible with these super tweeters whenpurchasing.These super tweeters are preowned but have beenfully tested prior to despatch and are “not” a sale or return item.
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Category: Sound and Vision:Home Audio and HiFi Separates:Speakers and Subwoofers
Location: Ashford