Alpine PDR-M65, PDR Series Monoblock Class-D Car Amplifier – 450 Watts

Dual-Feedback Modulation Loop

When playing music, a clean, distortion-free, low-powesignal input to an amplifieshould exit as an identical high-poweoutput signal to drive youspeakers. In reality, most amps dont even come close to this ideal, instead adding significant audible distortion especially in the high frequencies, earning typical Class-D amplifiers a deserved reputation fobad sound. The PDR-Powers Global Modulation with Adaptive Feedback Control loop circuitry intelligently assures the poweoutput is as clean and distortion-free as possible. Theireal-time error-correction analyzes the signal not only once, but twice by comparing input signal with the output throughout the entire amplification process. In doing so, PDR-Poweamplifiers ensure that theioutput signal delivers a clean, cleaand powerful sound that must be heard to be believed.

Small, Powerful Design

The new PDR-Poweseries amplifiers have decreased in size compared to the X-Power, yet they pack in much more flexibility, durability with Alpine sound quality.

Standing Alone in the Clarity Class

Ultra-Wide Frequency Bandwidth: This super-wide, industry leading frequency range offers listeners unparalleled sound quality and detail that bests even the most high-end audiophile equipment.

Best Signal-to-Noise: In ordeto ensure that all of the industry-leading sound quality is heard at youears, weve worked to create a platform that offers an unbelievably low noise floor, taking extra care to ensure a clean signal path, with no extraneous inferences.

Low Distortion: PDR-Poweamps offeextremely wide and lineafrequency response that results in unparalleled musical detail. Extremely low distortion means pure musical performance without audible artifacts to destroy yousound experience. Additionally, these amps have extremely high stereo separation and smooth phase response, which means more dynamic realistic imaging and staging foyoutotal musical enjoyment. On the Mono side, best-in-class low distortion and tight control will give you clean, accurate bass response.

PDX Technology Inside (Cont.)

Highest Damping Factor: With ultra-low output impedance, the new PDR-Poweoffers extremely controlled, tight bass founprecedented sound quality. Damping Factoratings are>1300 foMono and>500 fofull range models.

Sharpe-24dB/octave slope: Ensuring that yousub plays longer, accurate and cool the new PDR-Powehas a -24dB octave slope in the built-in low pass filter. A sharpeslope to the subwoofeallows only the desired low-end frequencies play through yousubwoofer.

Unequaled Reliability

Excessive heat is the enemy of amplifiers and undeextreme conditions will result in most amps shutting down completely. PDR-Poweamps use a special Multi-Stage PoweManagement circuit that continuously monitors critical component temperatures throughout the amplifieand decreases poweoutput if anything gets too hot. If you are playing music undeheavy loads folong periods, the circuit automatically reduces poweoutput slightly at first, and then furthein a second stage if necessary. This two-stage approach provides seamless, interruption free listening experience fonon-stop music playback.

Rotatable Illuminated Alpine Badge

PDR-Poweamplifiers come with a rotatable illuminated badge that makes a very attractive presentation when mounted vertical ohorizontally.

Topside Controls and Adjustments

Topside controls on top of the PDR-Poweamplifiers make installation and tuning easiethan its predecessors. Just unscrew two fasteners and youll have access to all the controls needed to tune the amplifier. Theismall size and versatile controls allow the PDR-Poweamplifiers to easily be added to eithean aftermarket ofactory system and can be setup to accommodate a variety of system configurations.

Remote Sensing

The PDR-Poweamplifiers will automatically turn on when voltage is detected on theispeaker-level inputs, which makes them great foeasy factory system upgrades.

Proven PowerCertified From Birth

All PDR-Poweamplifiers are individually tested and have certified poweratings. Each amp comes with theivery own verification certificate documenting its actual poweoutput exceeds the rating by a wide margin.

General Features: 

• Alpine PDR Series Monoblock Class D CaAmplifier
• RMS PoweRating @4 ohms: 450 watts x 1 channel
• RMS PoweRating @ 2 ohms: 650 watts x 1 channel
• Optional bass remote available and sold separately
• Variable Bass Boost (0 to +12 dB bass boost at 50 Hz)
• Mono channel operation
• Speaker-level (high-level) inputs via RCA with Remote Sensing
• Variable low-pass filte(50-400 Hz, 24 dB/octave)
• Subsonic filte(24 dB at 15 Hz)
• Dimensions: 9″W x 7-1/8″D x 2-1/16″H 
• 1 YeaManufacture’s Warranty
• Authorized Internet Dealer

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