Rotel RA-1570 Integrated Amplifier

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  • Rotel RA1570 Integrated Amplifier

  • 2 x 120 Watts of robust
    Class AB power

    Front panel USB for
    Apple iOS devices

    Moving magnet phono
    input for turntable
    connection

    Bluetooth dongle included

    Wolfson premium
    24-bit/192kHz Digital to
    Analog Converter

    Engineered with care.

     

     
    DIMENSIONS (W × H × D)
    431 × 144 × 358mm
    17" × 5.7" × 14"
     
    FRONT PANEL HEIGHT
    3U / 132.6mm (5.2")
     
    POWER REQUIREMENTS
    120V, 60Hz
     
    POWER CONSUMPTION
    400W
     
    STANDBY POWER CONSUMPTION
    <0.5W
     
    NET WEIGHT
    13kg (29lbs.)
     
    BTU RATING (4Ω, 1/8th power)
    728 BTU/h

     

     
    CONTINUOUS POWER OUTPUT
    120W/Ch (All channels driven, 8Ω)
     
    TOTAL HARMONIC DISTORTION (THD)
    (20Hz–20kHz) <0.03%
     
    FREQUENCY RESPONSE
    Line Level Inputs: 10Hz - 100kHz +1, -3dB
    Digital Inputs: 10Hz - 95kHz ±3dB
    Phono Input: 20Hz - 20kHz ±0.5dB
     
    S/N RATIO (IHF "A" Weighted)
    Line Level Inputs: 100dB
    Digital Inputs: 100dB
    Phono Input: 80dB
    Product Description 

    Long recognized as a central component in superb yet cost-effective music systems, the integrated amplifier’s job has evolved substantially as many music-lovers have migrated to digital sources. The RA-1570 is one of the best examples of melding classic analog design with contemporary digital circuits to bring all of your sources  to life with surpassing fidelity.

    As typical of Rotel amplifiers, the RA-1570’s circuitry draws on a high capacity power supply based on a Rotel custom designed and in-house manufactured oversized toroidal transformer. In addition to providing  an abundance of voltage and current for all operating stages, the transformer’s toroidal shape helps prevent stray radiation patterns from corrupting audio signals as they pass through adjacent circuit stages.

    Subsequent power supply segments built with tight-tolerance parts including T-Network capacitors provide the exact voltage and current requirements to ensure stress-free signal reproduction. The RA-1570’s input section is substantially more flexible than that found in most integrated amplifiers. In recognition of the growing popularity of digital sources, this amplifier provides a front panel USB input for easy connection of a wide variety of music storage devices including Apple iPods, iPhones, and iPads. A rear panel asynchronous PC-USB input supporting up to 24-bit/192kHz is also provided. In addition, two each coaxial (RCA) and optical (TOSLINK) inputs provide easy connections for LPCM music sources including popular streaming devices with up to 24-bit word lengths sampled at 192kHz. Importantly, it is possible to fix the level on these sources for use with devices that provide their own volume control. Analog inputs include a pair of balanced XLR connectors in addition to conventional RCA jacks.

    A Wolfson WM8740 stereo D/A converter handles critical conversion from digital data to continuous analog waveforms. The Class AB output stage uses discrete devices to ensure precise reproduction of all signals regardless of origin with virtually any loudspeaker. The power output, a robust 120 Watts per channel into 8 ohms, is substantial as it is a continuous “both channels driven simultaneously” rating fully in keeping with real-world requirements and Rotel’s tradition of providing extraordinary value. User conveniences include separate pre-out/main-in connectors, a highly visible VFD display for set-up, and a precisely calibrated electronic volume control.

  • INTERMODULATION DISTORTION (60Hz:7kHz, 4:1)
    <0.03%
     
    DAMPING FACTOR
    180
     
    SPEAKER IMPEDANCE
    4Ω minimum
     
    INPUT SENSITIVITY
    Line Level Inputs (RCA): 285mV
    Line Level Inputs (XLR): 570mV
    Phono Input (MM): 2.25mV
     
    INPUT IMPEDANCE
    Line Level Inputs (RCA): 100kΩ
    Line Level Inputs (XLR): 50kΩ
    Digital Inputs: 75Ω
    Phono Input (MM): 68kΩ
    INPUT OVERLOAD
    Line Level Inputs: 4V
    Phono Input: 30mV
     
    PREOUT LEVEL
    1.2V
     
    OUTPUT IMPEDANCE
    470Ω
     
    TONE CONTROLS
    ±12dB at 100Hz / 10kHz
    DECODABLE FRONT USB FORMATS
    MP3, WAV, WMA, Ogg Vorbis (up to 48kHz 16-bit)
     
    COAX/OPTICAL DIGITAL INPUT SIGNALS
    LPCM (Up to 24-bit/192kHz)
     
    PC-USB
    USB Audio Class 1 (up to 24/96)
    USB Audio Class 2 (up to 24/192)


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