Editorial Reviews:
Product Description
Make a Powerful Sound Statement Panasonic's line of power amps expands even further to include digital technology. High efficiency is a key requirement for amplifiers, particularly when it comes to driving a powerful subwoofer over long periods using the car's battery power. Compared to the 45% to 55% efficiency of a conventional analog amp, a "digital" amp can attain over 70% to 80% efficiency by converting the input signal to a pulse signal and operating its output stage in "class D" or switching mode. Maximum output power is an impressive 1100W to provide effortless subwoofer drive, thanks to high efficiency with low heat generation and reduced load on the car battery. Low-Pass Filter for Subwoofer Amps with a built-in low-pass filter simplify upgrading to a subwoofer system. You can adjust the cutoff frequency continuously from 50Hz to 250Hz for optimum matching between the subwoofer's range and that covered by your other speakers. Line-Out Jacks for Expansion When configuring a sophisticated car audio system, line-out jacks make all of the difference. They let you easily connect multiple amps, while keeping the wiring neat for an attractive appearance. "Intelligent" Bass Servo Circuit In comparison with the midrange and tweeter units, the woofer has a relatively higher moving mass, heavier voice coil and larger inductance, so it needs more current to start moving. This causes the bass to lag behind the mid and high frequencies, resulting in unnatural tonal coloration. Furthermore, because of its longer throw, the woofer's voice coil has a greater tendency to deviate from pistonic motion, resulting in non-linear dynamic distortion. To overcome these woofer shortcomings, our "intelligent" bass servo drive circuit can feed very high current at the moment of start-up and instantaneously detect and correct the state of voice coil movement to maintain pistonic motion and avoid non-linearity. The result is bass that is more coherent with the rest of the frequency s
|
