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Tripower 900 - Description
ISP Technologies introduces the latest addition to the Tripower series the Tripower 900. Providing greater than 900 watts of RMS power this Active three way cabinet offers the best sonic fidelity available. The Tripower 900 offers extremely high definition by providing ISP’s HIGH RESOLUTION SOUND with greater clarity and detail than any other cabinets costing more than twice the price. Here’s a quick look at what ISP “HIGH RESOLUTION SOUND” does for you! The graph below shows the response of a typical cabinet vs. an ISP Active System at high Sound Pressure Levels.
Most of the sound systems in use today have 20 to 30 decibel peaks and or dips in their output frequency response at High Sound Pressure levels. Many of these systems, even some of the “high end expensive systems”, introduce new and clearly audible sound components as a result of a phenomenon known as intermodulation distortion. These new audible sounds are not part of the input signal and are typically non-harmonically related sounds that are generated as a result of one speaker trying to simultaneously reproduce a large bandwidth of the audio spectrum. If these new components are high enough in amplitude they will also tend to mask part of the original signal. With a two-way system, when the speakers are driven hard, the woofer’s cone is trying to reproduce both the large excursion bass frequencies and the critical midrange frequencies. It’s amazing that many people fail to understand how critical the midrange clarity and detail is to a high quality sound system. This is where most of the detail, warmth, and definition of the sound is contained. One reason this happens is that the cone of the woofer starts to modulate and breakup. Many times this occurs at frequencies not even present in the input signal and the cones ability to reproduce the frequencies at the upper end of its frequency limits start to vanish. The larger the size of the woofer the lower in frequency this problem starts to occur. This means that a two way speaker cabinet with a 15 inch woofer and a high frequency driver will suffer more from this problem than a system with a 12 inch or 10 inch speaker. Most people, when purchasing a two-way speaker, will mistakenly think that a cabinet with a 15 inch woofer is better simply because it will go deeper in frequency response. The larger cone speaker may reproduce more bass but the midrange response ends up being compromised! Some of the currently available three-way systems claim sonic perfection by offering an Active three-way system, splitting the audio spectrum up into three bands. Most of these new Active systems provide two or three way crossovers and typically only provide a 100-watt power amplifier driving a 75-watt, 6-inch midrange speaker. 100 watts is not even close to the power needed to drive the critical midrange to a level required to reproduce the leading edge transient information or provide a high SPL midrange output. To top it all off, they then add a large amount of high frequency boost to add that sizzle, which may be acceptable at low levels but which will have significant negative impact due to the lack of power in the midrange. The end result is a system that, when driven hard, is only slightly better than a two-way system. When you drive this system hard, the midrange section runs out of power and the high frequencies, that are already too hot, become shrill and piercing. Another problem occurs when the 6-inch midrange speaker is crossed over too high and the woofer still has to reproduce the midrange. The ISP TRIPOWER 3-way speakers were designed by an audiophile to give the balanced detailed sound of hi-fi speakers at concert levels (129db peak at 1 meter for the Tripower 900 cabinet). The inclusion of a powerful 10” (or 8”) midrange driver allows the woofer to stay lower and the tweeter to stay higher, resulting in a much more accurate and intelligible sound at higher levels (some other 3-way cabinets use a smaller 6” midrange, which still requires the 15” woofer to go too high up). We use woofers optimized for deep, powerful bass with large excursion capabilities, twice that of other inferior cabinets. We also incorporate high-frequency horns with smooth, extended response.
Also incorporated into the ISP TRIPOWER cabinets are 3 channels of our patented D-CAT (TM) Dynamic Current Amplifier Technology. The D-CAT amplifier technology is an extremely high current power amplifier design that can actually drive load impedances of less than 1ohm. This translates into incredible impact for transients providing the Tripower speakers with better transient response than you’ve ever heard. This also avoids the typical loss associated with passive crossovers where a portion of the power amplifiers output is dissipated in the crossover network. In the Tripower cabinets each individual speaker is fed with its own optimized power amplifier with thermal and overload protection for reliable, pure, high-output sound. We’ve matched each individual speaker with a power amplifier optimized for each specific driver. Feeding the amplifiers is a sophisticated, exhaustively tweaked 3-way, 4th-order, 24db per octave electronic crossover that provides ruler flat frequency response. The result is, a more accurate crossover design with phase alignment, damping factor optimization and time alignment that could never be realized with external crossovers and amplifiers. All you need to provide are the AC power and a high-quality line-level input signal. The Tripower 900 features an extended response Beyma high frequency compression driver for the real demanding professional. The Tripower 900 has an extended high frequency response out to 20KHz. The Tripower 900 plays louder with even more clarity and accuracy in the high frequency response. The Tripower 900 has a 4db increase in high frequency headroom over our Tripower 15. The Tripower 900 is also available with optional ATM flyware. The Tripower 900 also includes full thermal protection with 3 thermal monitoring points built in the system. First we include thermal management in each individual D-CAT circuit. Then we incorporate a global heatsink thermal temperature monitor point that will provide a short term thermal shut down if required to maintain a safe thermal condition for the entire power amplifier module. Then we also include a master thermal breaker in the power transformer to ensure long-term reliability. The Tripower 900 also incorporates turn on and turn off transient suppression and AC line suppression. |
Tripower 900 - Technical Specifications
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