Six-Channel Car Audio Amplifiers
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R-Series 6-Channel Class-D Full-Range Hi-Resolution Automotive-Grade Amplifier, 75-Watts x 4-Channel @ 4-Ohm + 250-Watts x 2-Channels @ 2-Ohm The R-A90S has a unique staggered power channel layout that has double the power on the last two channels. When looking to power a dual subwoofer configuration, the R-A90S’s 5th and 6th channels can be bridged to provide up to 500-watts at 4Ω. The R-A90S is matched in power and performance for the Dual 10-inch Alpine Halo S-Series Preloaded Subwoofer Enclosures with ProLink™. Thanks to the unique staggered power channel layout, the R-A90S can host different levels of power on each channel, compared to traditional, multi-channel amplifiers. This allows the R-A90S to grow with you as it can effectively function as both a 3-way active amplifier and a 5-channel amplifier by delivering the power you need to the channels where you need it the most. Hear the subtle details you’ve been missing in your music. The R-A90S maintains an extremely low phase shift throughout the music spectrum, which minimizes audible imperfections in your music and allows your music to stay faithful to the original recording. With a hi-resolution frequency response, the R- A90S can reproduce sound with incredible accuracy that stays true to the artist’s intention. Using custom Alpine internal components originally launched in Alpine’s premium X-Series amplifiers, the R-A90S has dual post-filter feedback loops that correct signal distortion by making the output as close as possible to the original input for accurate sound reproduction. For the best possible sound experience, use the built-in bandpass, high pass, or low pass filter to individually power each component in your sound system and assign frequency bands for accurate and reliable sound reproduction. The R-A90S has input capability to add an optional RUX-KNOB.2 Remote Bass Control Knob (sold separately). The remote bass knob controls the bass in your subwoofer by adjusting the gain on your amplifier for quick bass adjustments when needed. Alpine’s R-Series line of speakers, subwoofers, and amplifiers have a heritage of sound quality that can be heard from a block away. The R-A90S is tuned to emphasize the characteristics of the R- Series speakers and subwoofers for a legendary R-Series experience. Features 6-Channel Amp with 5-Channel Power– With double the power on the last two channels, the R-A90S’s 5th and 6th channels can be bridged to provide up to 500-watts at 4Ω to a subwoofer system such as a pair of S-SB12Vs. An Amp that Grows with You – When you’re ready to upgrade your Alpine system, use the R-A90S to amplify a 3-way active system with enough mid-bass power to create the up-front bass impact you crave. Accurate Sound Reproduction – With incredibly low phase shift and hi-resolution frequency response, the R-A90S can reproduce sound with incredible accuracy that stays true to the artist’s intention. Specifications Dimensions: 12.75" x 10.75" x 2" Hi-Resolution Audio Compliant (40k Hz) Alpine’s Class D Amplifier Circuit 75W x 4 + 150W x 2 (4Ω, 14.4V, < 1% THD +N) 100W x 4 + 250W x 2 (2Ω, 14.4V, < 1% THD +N) Bridged: 200W x 2 + 500W x 1 (4Ω, 14.4V, < 1% THD +N) S/N > 85dB (ref. 1W into 4Ω) THD + N < 0.03% (ref. 10W into 4Ω) Frequency response: 10-45kHz (0/-3dB) Damping factor > 500 CTA-2006 Alpine R-A90S Manual
6-Channel Class-D Full-Range Amplifier with Integrated DSP, 100-Watt x 6 @ 2-Ohm / 75-Watt x 6 @ 4-Ohm Designed to simplify great audio, every VXi amplifier combines JL's advanced NexD2™ switching amplifier technology with an integrated, full-featured digital signal processor. With JL's second-generation NexD2™ technology, the VX600/6i full-range amplifier outputs up to 75 watts per channel into 4 ohms, or 100 watts into 2 ohms. It can also be bridged into 4 ohms, producing up a rock-solid 200 W x 3. The NexD2™ full-range technology in this amplifier is DSP-controlled and features a reduced loop area design utilizing DirectFET™ outputs for outstanding fidelity, very low noise and exceptional efficiency. The amplifier chassis is ultra-compact, with all connections on one side, to greatly simplify installation into tight spaces. Instead of traditional control knobs and switches, all amplifier adjustments and DSP functionality are configured via a compatible external device (PC, Tablet or Smartphone), with the appropriate JL Audio TüN™ Software application installed. Amplifier includes: Power Connector (for 4 AWG wire), Analog Input/Pre-Out Harness, Speaker Output Harness, 6 ft A/B USB Cable TüN™ Software Applications Intuitive setup and tuning, all at your fingertips. Automatically recognizes connected amplifier and displays appropriate interface. TüN™ is available for download for free in a variety of applications, for computers and most handheld devices. Unprecedented, Onboard DSP Tuning Power Premium, triple-core AKM® DSP with an optimized configuration, developed in collaboration with AKM® Hi-Res audio processing at 24 bit/96 kHz High-performance AKM® A/D and D/A converters 10 Bands of fully parametric EQ, per output channel, including pre-outs Shelving EQ option for Band 1 and Band 10 High-Pass & Low-Pass Filters for each output channel, with selectable alignments and slopes: Linkwitz-Riley: 12, 24, 48 dB/octaveButterworth: 6, 12, 18, 24, 36, 48 dB/octave Signal Delay in 0.01 millisecond steps (equivalent to 1/8-inch, 3 mm) All-Pass Filter (Phase EQ), with variable "Q" and corner frequency Polarity Reversal (0 or 180 deg.) Output Level Trim in 0.1 dB steps NexD2™ Switching Amplifier Technology JL's latest generation of high-speed switching technology delivers superb low frequency power and efficiency. Specially optimized for subwoofer applications Ultra-Versatile Analog and Digital Inputs High-performance, differential-balanced analog inputs for outstanding noise rejection Accepts speaker level signals from 200 mV, up to 16V RMS, including those from many factory systems Optical Digital (Toslink) input permits direct connection of S/PDIF digital sources, bypassing A/D converter. Accepts up to 24 bit/192 kHz input. Independently configurable RCA analog and digital pre-outs (24 bit/96 kHz) Automatic turn-on options via Signal-Sensing or DC-Offset sensing Functional Compact Chassis Design Solid cast alloy main unibody and bottom plate deliver superb EMI performance and shielding All connections utilize compact mating connectors for maximum integrity and fitment into tight spaces. Configurable LED logo ring displays status and can display audio preset color code or user-defined color Logo badge can be oriented in 90 degree increments Corner caps engineered to conceal mounting holes and hardware JLid™ System Command and Control with Networking Capabilities JL Audio's digital protocol provides control interface and communication between VXi amplifiers and optional JLid™ accessories, including: DRC-100/DRC-200/DRC-205 Digital Remote Controllers: Offers convenient level and DSP preset control from the driver's seat. VXi-BTC Bluetooth® Communicator: Permits wireless configuration of VXi amplifiers using your compatible Apple® or Android® device. VXi-HUB Optical Network Hub: Provides network connectivity for up to five slave VXi amplifiers, allowing synchronization of DRC controllers and DSP presets. Up to two VXi-HUBs can be daisy-chained to network up to ten VXi amplifiers. Specifications Frequency Response 12 Hz - 24 kHz (+0, -1dB) S/N Ratio, referred to highest rated power (Analog Inputs) 99 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth) S/N Ratio, referred to 1 W (Analog Inputs) 80 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth) S/N Ratio, referred to highest rated power (Digital Inputs) 99 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth) S/N Ratio, referred to 1 W (Digital Inputs) 80 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth) Damping Factor @ 4 Ω >100 / 50 Hz Damping Factor @ 2 Ω >50 / 50 Hz THD+N @ Rated Power <1% @ 2 Ω per Ch. Input Voltage Range @ RCA Inputs 200 mV - 16 V RMS Min.Copper Power / Ground Wire Gauge 4 AWG wire Fuse Rating 50 A (AFS, AGU or MaxiFuse™) @ 4 Ω 75 W RMS x 6 @ 2 Ω 100 W RMS x 6 Bridged @ 4Ω 200 W RMS x 3 JL Audio VX600/6i Manual