4 CHANNEL AMP ALPINE SERIES
The new PDX series amplifiers are 20% thinner than previous models at only 2” thick. PDX amplifiers are tested and documented to show their true actual output. Certified Power From Birth, Guaranteed.Įach PDX amplifier comes with its very own birth-sheet. This allows excellent flexibility with multiple speaker and subwoofer loads and is adjusted automatically. These amps are stable at low impedances and are capable of their rated power from 2 to 4 ohms for all models. This interruption-free design allows for non-stop enjoyment with no hiccups or drop-outs, just clean, clear output. Once the battery voltage increases, power will be restored. If the circuit detects a Low Battery condition, it will gradually decrease power output if battery voltage becomes too low. Once cool, the power output automatically increases back to the previous level. If the amp gets too hot, the Thermal Protection circuit kicks in and gradually decreases output power until it cools down. The Power Management Processor controls all aspects of amplifier performance, monitoring voltage, temperature and output to ensure uninterrupted power output for non-stop listening. PDX amps incorporate Alpine’s new Power Management circuit. PDX amplifiers have an extremely high total system efficiency of ~80% (power supply is rated at >90%, output stage is rated >90%).
The PDX power supply delivers tremendous headroom with low distortion and noise. The THD is actually falling at high frequencies, resulting in a clean and clear signal where your ear is most sensitive to distortions. The PDX-M12, PDX-M6, PDX-F6, and PDX-F4 are synonymous with extremely high frequency reproduction.
These new PDX amplifiers are the first ever class-D amplifiers to break tradition and trump the amps of yesterday. Traditionally, class-D amplifiers have not been known for high frequency reproduction. The all-new PDX series amplifiers are not your typical class-D amplifiers. 5Hz-100kHz for 4ch, 5Hz-400Hz for Mono (+0,-3dB) Total Harmonic Distortion Rate (THD) vs. This super-wide, industry leading frequency range offers listeners unparallel sound quality and detail that bests even the most high-end audiophile equipment.
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