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Alpine PDR-F50

500W PDR Series 4/3/2 Channel Class D Digital Amplifier

Alpine
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• RMS Power: 85W x 4 @ 4 ohm, 125W x 2 @ 2 ohm, 250W x 2 @ 4 ohm, Bridged
• CEA-2006 Compliant Amplifier
• Rotatable Illuminated Alpine Badge
• Top-Side Control Panel w/ Removable Cover
• Voltage ON/OFF Sensing for OEM Upgrade
• Dimensions: 9"W x 6.5"L x 2.0"H

Learn more about the pdrf50

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Product Highlights


• RMS Power: 85W x 4 @ 4 ohm, 125W x 2 @ 2 ohm, 250W x 2 @ 4 ohm, Bridged
• CEA-2006 Compliant Amplifier
• Rotatable Illuminated Alpine Badge
• Top-Side Control Panel w/ Removable Cover
• Voltage ON/OFF Sensing for OEM Upgrade
• Dimensions: 9"W x 6.5"L x 2.0"H

Description


Alpine brand icon

Authorized dealer

The PDR-Power amplifiers offer the best performance in their class, redefining expectations in the high-power amplifier category. Thanks to trickle-down technology, Alpine's in-house engineering team has taken many of the patent-pending technologies introduced in the industry-leading PDX series and infused them in the new PDR-Power amplifiers. The PDR-Power amps provide you with the absolute widest bandwidth, best signal-to-noise, lowest distortion and highest damping factor of any amplifier in their class without sacrificing power.

General Features:

  • PDR Series 4-Channel Class D Car Amplifier
  • RMS Power Rating:
    • 4 ohm: 85 watts x 4 chan.
    • 2 ohm: 125 watts x 4 chan.
    • Bridged, 4 ohm: 250 watts x 2 chan.
  • CEA-2006 Compliant Amplifier
  • Dual-Feedback Modulation Loop
  • Ultra Compact Chassis
  • Soft start turn-on
  • Rotatable Illuminated Alpine Badge
  • LED Power (blue) and Protect (red) illumination
  • Top-Side Control Panel w/ Removable Cover
  • Voltage ON/OFF Sensing for OEM Upgrade
  • 4/3 or 2 channel operation
  • Input channel selecting
  • Speaker-level (high-level) inputs via RCA with Remote Sensing*
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty aluminum alloy heat-sink
  • Input sensitivity: 200 mV - 4 V
  • Frequency Response: 8 - 45,000 Hz +0/-3 dB
  • Total Harmonic Distortion (THD): ≤0.02% (Ref: 10W into 4Ohm)
  • Signal to Noise Ration: >106dB (Ref: 1W into 4Ohm)
  • Damping Factor: >500
  • Selectable crossover: OFF / HP / LP
  • Variable crossover point: 50 - 400 Hz, 24 dB/octave
  • Selectable Bass Boost (Rear Ch Only): 0, +6, +12 dB boost at 50 Hz
  • Fuse Rating: 30 A x 2
  • 12 Gauge speaker output terminals
  • 4 gauge power and ground wiring is recommended for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier. Click Here for our contact information.
  • Weight: 5 lb 9 oz
  • Dimensions: 9.0"W x 6.5"L x 2.0"H
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty

*When connecting the speaker output leads of the head unit to this unit with an RCA extension cable (sold separately), etc., you do not need to connect the remote turn-on lead, resorting to the “REMOTE SENSING” function of this unit. However, the “REMOTE SENSING” function may not work depending on the signal source connected. In such a case, connect the remote turn-on lead to an incoming power supply cord (accessory power) in the ACC position.



PROP 65 WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov


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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
85 watts x 4 channel
RMS Power @ 2 ohms
125 watts x 4 channel
Bridged RMS Power
250 watts x 2 channel
Amplifier Specifications
Series
PDR Series
Amplifier Class
D
Number of Channels
4-Channel
Total RMS Power Output
500 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
≤0.02%
Speaker Level Inputs
Optional (Requires Accessory Adapter)
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
50 - 400 Hz
Low-Pass Crossover Frequency
50 - 400 Hz
Signal-to-Noise Ratio
106 dB
Bass Boost
Selectable 0 / 6 dB / 12 dB
Remote bass/level controller
No
Fuse Rating
30A x 2 
Strappable
No
Sonic Certified Amplifier
Not Tested
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

PDR-F50

Weight:

6.20lbs

Internal SKU:

pdrf50

Internal Product ID:

77817

Product and How-to Videos


Customer Ratings & Reviews


Alpine PDR-F50 thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
4
Features
4.5
Design
5
Usability
4.5

Customer Reviews

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go alpine

I currently have this amp hooked to 2 component and 2 coaxials, jbl power series. Let me say this... Completely underrated the amp. It makes my speakers go retarded once I hit 34! Ughhhh well. This amp is awesome have it installed behind my seat ND it is Beautiful ND as small as a new age DVD player

By Bills on January 29, 2015

14 found this helpful


great 4 chan amp

I have this amp running my door speakers. 6.5 comp fronts and 6.5 coax rears (both alpine type r). Its clean and easy to set up. I expected a little more power, but it rocks for the price.

By Eric on January 27, 2015

12 found this helpful




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