Posted April 16, 201015 yr Hey Guys! Alpine has came out with a new PDX series! They look pucking sexy as ever Few Copy and Pastes from their website.Power Management ProcessorPDX amps incorporate Alpine’s new Power Management circuit. The Power Management Processor controls all aspects of amplifier performance, monitoring voltage, temperature and output to ensure uninterrupted power output for non-stop listening.If the amp gets too hot, the Thermal Protection circuit kicks in and gradually decreases output power until it cools down. Once cool, the power output automatically increases back to the previous level. If the circuit detects a Low Battery condition, it will gradually decrease power output if battery voltage becomes too low. Once the battery voltage increases, power will be restored. This interruption-free design allows for non-stop enjoyment with no hiccups or drop-outs, just clean, clear output.Application FlexibilityUnique Stacking SystemThe new PDX series amplifiers are 20% thinner than previous models at only 2” thick. New stacking system packs the amps closer together so there are no gaps and to save space in the trunk while directly coupling the amps heatsinks to help share cooling duties.Total Harmonic Distortion(THD+N) vs. FrequencyUniquely PDX, distortion actually decreases at higher frequencies, resulting in a clean and clear signal where your ear is most sensitive to distortion. -<0.005% THD+N @ 1W, <0.05% THD+N @ rated power.Power ConnectorThe new removable connector features a low-loss, high-current design. It accepts up to 4GA wire, to ensure your amp gets the power it needs while allowing for easy installation.Speaker terminalsThe super high power speaker connectors allow for up to 8GA wiring and have a unique quick disconnect design for simple error-free installation.
April 17, 201015 yr Look good, but I don't really buy the "coupling of heatsinks to share cooling duties." If you ask me, they're just eliminating 33% of the surface area of the bottom amplifier, thus hurting its cooling. The top amp would also run warmer because of this. Even the 1/8" or whatever of space that the old amps had was better. Just drawing arrows on a picture doesn't make it better. I could edit my electronic bank statement and put some 0s at the end of my balance, doesn't mean it's actually there.
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