Measurement's report RME ADI-2-4 Pro SE Balanced Out - Reference Audio Analyzer

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RME ADI-2-4 Pro SE is available in reports and services. You are in a professional report.

Information for entry level users

    reports for a newbie (Headphone amplifier)
    The automatic selection of the optimal AMP models

    Information for all

    Versus of characteristics

    Information for professionals
      reports for a pro (Headphone amplifier)
      reports for a pro (DAC Line Out)
      Comparison of on-line graphs


      Quick jump to the schedules in this pro report: ADI-2-4 Pro SE Balanced Out
        Spectra vs Amplitude

        RME ADI-2-4 Pro SE

        Balanced Out
        About this report
        This is a report for professionals with a suite of test of headphone amplifier.
        You can see a simple report for "dummies" with explanations of the main characteristics for RME ADI-2-4 Pro SE Balanced Out

        A suite of tests for a headphone amplifier can be applied to just a universal output without a formal presence of an amplifier, if in this mode you can connect headphones to this output. Based on the results of the tests, you can understand the real picture, is the output powerful enough or not, with the initial data on the circuitry as a "black box".

        Line-out, differences from the output for headphones and speakers

        Advantages and disadvantages of balanced amplifiers

        Test report - general data RME ADI-2-4 Pro SE (as headphone amplifier)

        Frequency response, Impedance and Frequency response with standard headphones

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        Voltage levels from the load at the output of the amplifier

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        Average value of impedance band in 40 Hz - 15 kHz0.4ohm
        Voltage:
        Linear Mode / Maximum or before clipping level         		25.1/25.1dBV
        18.0/18.0VRMS
        Current:
        Linear Mode / Maximum or before clipping level        		48.1/48.1dB(mA)
        255.2/255.2mA





        Brief information

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        Frequency response RME ADI-2-4 Pro SE Balanced Out (as headphone amplifier)

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        Range

        Channel:LeftRight
        Variation in frequency response in band from 40 Hz - 15 kHz -0.1, +0.0-0.1, +0.0dB



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        On the frequency response comparison page, there is an export option and additional tools for adjusting the frequency response



        Impedance RME ADI-2-4 Pro SE Balanced Out (as headphone amplifier)

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        Impedance average in band from 40 Hz - 15 kHz0.4 0.5ohm
        The minimum value in band from 40 Hz - 15 kHz0.4 0.5ohm
        The maximum value in band from 40 Hz - 15 kHz0.4 0.5ohm


        Comparison of basic characteristics AMPs


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        Crosstalk RME ADI-2-4 Pro SE Balanced Out (as headphone amplifier)

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        Load

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        Crosstalk @ 1 kHz @ 15.8 ohm -101.9 -99.2dB
        Crosstalk @ 1 kHz @ 24.5 ohm -101.8 -100.1dB
        Crosstalk @ 1 kHz @ 30.5 ohm -100.6 -104.3dB
        Crosstalk @ 1 kHz @ 62.4 ohm -101.6 -102.0dB
        Crosstalk @ 1 kHz @ 100.0 ohm -98.6 -101.2dB
        Crosstalk @ 1 kHz @ 198.9 ohm -98.3 -101.4dB
        Crosstalk @ 1 kHz @ 300.0 ohm -106.3 -103.7dB
        Crosstalk @ 1 kHz @ 763.0 ohm -100.4 -101.0dB
        Crosstalk @ 1 kHz @ Not loaded-99.9 -96.8dB



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        Crosstalk Phase RME ADI-2-4 Pro SE Balanced Out (as headphone amplifier)

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        Load




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        Frequency response RME ADI-2-4 Pro SE Balanced Out with resistive load

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        Frequency response of amplifier with resistive load @ 40 Hz - 15 kHz
        Channel:LeftRight
        TEST 16 ? + RME ADI-2-4 Pro SE Balanced Out 0.00.0dB
        TEST 32 ? + RME ADI-2-4 Pro SE Balanced Out 0.00.0dB
        TEST 64 ? + RME ADI-2-4 Pro SE Balanced Out 0.00.0dB
        TEST 126 ? + RME ADI-2-4 Pro SE Balanced Out 0.00.0dB
        TEST 256 ? + RME ADI-2-4 Pro SE Balanced Out 0.00.0dB
        TEST 512 ? + RME ADI-2-4 Pro SE Balanced Out 0.00.0dB



        Brief information

        Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.

        On the frequency response comparison page, there is an export option and additional tools for adjusting the frequency response



        Frequency response RME ADI-2-4 Pro SE Balanced Out loaded dynamic headphone type

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        Frequency response of amplifier loaded dynamic headphone type @ 40 Hz - 15 kHz
        Channel:LeftRight
        TEST 10000 ? + RME ADI-2-4 Pro SE Balanced Out 0.00.0dB
        Grado GH4 Limited Edition + RME ADI-2-4 Pro SE Balanced Out 0.10.1dB



        Brief information

        Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.

        On the frequency response comparison page, there is an export option and additional tools for adjusting the frequency response



        Frequency response RME ADI-2-4 Pro SE Balanced Out loaded type balance armature headphone type

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        Frequency response of amplifier loaded type balance armature headphone type @ 40 Hz - 15 kHz
        Channel:LeftRight
        TEST 10000 ? + RME ADI-2-4 Pro SE Balanced Out 0.00.0dB
        Campfire Audio Andromeda + RME ADI-2-4 Pro SE Balanced Out 0.80.8dB
        Fearless Audio S8F Freedom + RME ADI-2-4 Pro SE Balanced Out 0.70.6dB



        Brief information

        Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.

        On the frequency response comparison page, there is an export option and additional tools for adjusting the frequency response



        THD vs load vs output voltage RME ADI-2-4 Pro SE Balanced Out

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        Load

        Harmonic, number

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        Harmonic, number

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        Maximum voltage output level vs load RME ADI-2-4 Pro SE Balanced Out

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        RAW coordinates

        Power characteristics of the Voltage Current
        dBVVRMSdB(mA)mA
        Equivalent class A 25.118.048.1255.2
        Equivalent class AB 25.118.048.1255.2
        Equivalent class B 25.118.048.1255.2
        Maximum mode 25.118.048.1255.2


        Volume Control TypeDigital
        Optimal range of volume control67.0dB
        Signal/Noise / Maximum137.0/25.1dB/dBV
        Signal/Noise @ -14.9 dBV 32 ohm (1 mW)97.07dB
        Signal/Noise @ -5.2 dBV 300 ohm (1 mW)106.67dB


        Comparison RME ADI-2-4 Pro SE Balanced Out and another amplifiers by loudness (Volume Level)

        Main characteristics of the RME ADI-2-4 Pro SE Balanced Out


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        Maximum voltage output level vs load RME ADI-2-4 Pro SE Balanced Out

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        Maximum Amplifier Voltage Level
        Load Pure or equal class AOptimal or equal class ABHard or equal class BMax, before clipping
        dBVVRMSdBVVRMSdBVVRMSdBVVRMS
        15.8 ohm 12.44.212.44.212.44.212.44.2
        24.5 ohm 16.56.616.56.616.56.616.56.6
        30.5 ohm 17.57.517.57.517.57.517.57.5
        62.4 ohm 23.515.023.515.023.515.023.515.0
        100 ohm 24.116.024.116.024.116.025.116.0
        198.9 ohm 25.118.025.118.025.118.025.118.0
        300 ohm 25.118.025.118.025.118.025.118.0
        763 ohm 25.118.025.118.025.118.025.118.0
        Not loaded25.118.025.118.025.118.025.118.0



        Maximum level of amplifier current
        Load Pure or equal class AOptimal or equal class ABHard or equal class BMax, before clipping
        dB(mA)mAdB(mA)mAdB(mA)mAdB(mA)mA
        15.8 ohm 48.4263.048.4263.048.4263.048.4263.0
        24.5 ohm 48.7271.248.7271.248.7271.248.7271.2
        30.5 ohm 47.8245.547.8245.547.8245.547.8245.5
        62.4 ohm 47.6241.247.6241.247.6241.247.6241.2
        100 ohm 44.1159.844.1159.844.1159.845.1179.3
        198.9 ohm 39.190.439.190.439.190.439.190.4
        300 ohm 35.660.035.660.035.660.035.660.0
        763 ohm 27.523.627.523.627.523.627.523.6


        Power
        Load Pure or equal class AOptimal or equal class ABHard or equal class BMax, before clipping
        dBmmWdBmmWdBmmWdBmmW
        15.8 ohm 30.41092.530.41092.530.41092.530.41092.5
        24.5 ohm 32.61802.532.61802.532.61802.532.61802.5
        30.5 ohm 32.61837.832.61837.832.61837.832.61837.8
        62.4 ohm 35.63629.035.63629.035.63629.035.63629.0
        100 ohm 34.12554.834.12554.834.12554.835.13216.3
        198.9 ohm 32.11624.232.11624.232.11624.232.11624.2
        300 ohm 30.31078.630.31078.630.31078.630.31078.6
        763 ohm 26.3424.926.3424.926.3424.926.3424.9



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        Spectrum of Total Harmonic Distortion vs Level RME ADI-2-4 Pro SE Balanced Out (as headphone amplifier)

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        Spectrum of Multitone Distortion vs Level vs Load RME ADI-2-4 Pro SE Balanced Out (as headphone amplifier)

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        Spectrum of IMD SMPTE vs Level RME ADI-2-4 Pro SE Balanced Out (as headphone amplifier)

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        Spectrum of IMD CCIF vs Level RME ADI-2-4 Pro SE Balanced Out (as headphone amplifier)

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        More detailed

        Measurements of RME ADI-2-4 Pro SE Balanced Out were carried out by Roman Kuznetsov on the hardware-software complex RAA.

        The RME ADI-2-4 Pro SE Balanced Out test was conducted as a black box test, without regard to cost and prestige. This is the basic principle for making measurements, measurement reports and developing tests in RAA.

        I believe that it is important to do not make an absolute assessment of the device, but an aggregate assessment when working together with a headphones and taking into account external factors. This allows you to effectively reveal the potential of the entire set of devices or to make a more optimal choice of components.




        Kuznetsov Roman
        Founder of RAA



        Known by the nickname romanrex
        Аuthor of articles iXBT.com



        Information for Authors. You can freely use the graphics in your articles with a link to us.




        RME ADI-2-4 Pro SE is available in reports and services. You are in a professional report.

        Information for entry level users

          reports for a newbie (Headphone amplifier)
          The automatic selection of the optimal AMP models

          Information for all

          Versus of characteristics

          Information for professionals
            reports for a pro (Headphone amplifier)
            reports for a pro (DAC Line Out)
            Comparison of on-line graphs




            Quick jump to the schedule in this report: Balanced Out






            Original text in Russian page. Translation page is not yet ready

            You can help with translation via the: facebook and feedback.




            Comments

            Commentary view:





            romanrex
            Изображения, медиа и смайлы доступны в исходном чате.
            2024-11-29 14:35:36

            Комментарий к профессиональному отчету RME ADI-2-4 Pro SE ADC
            Этот отчет располагается в категории ЦАП, но на деле это тест АЦП.

            Наконец дошли руки до обработки отчета АЦП от RME ADI-2-4 Pro SE.
            Если не изменяет память, то мы тогда в качестве источника использовали E-MU1616m, у которой нет сюрпризов в виде ESS hump и прочих странностей, но условно не самые низкие уровни гармоник низких порядков.

            Это как выглядит оцифровка одной 1616m на другую 1616m
            https://reference-audio-analyzer.pro/report/dac/e-mu-1616m.php

            А это с 1616m на RME ADI-2-4 Pro SE
            https://reference-audio-analyzer.pro/report/dac/rme-adi-24-adc.php

            Итого, RME ADI-2-4 Pro SE получше с точки зрения сигнал/шум и может быть будет лучше для получения такого параметра как SINAD на уровнях около 0 dBFS, но линейность в виде лишних искажений хромает. Предварительно искажения ниже, чем у E1DA Cosmos, но принципиально с точки зрения линейности - хуже, чем 1616m. Так что 1616m пока полноценно не на что менять...

            Интересно было бы протестировать Lynx Hilo ...
            Reply


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