Measurement's report McIntosh MHA150 Normal Gain 150-600 Ohm - Reference Audio Analyzer

McIntosh MHA150

Normal Gain 150-600 Ohm
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 McIntosh MHA150 Normal Gain 150-600 Ohm

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 McIntosh MHA150 (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 kHz3.2ohm
Voltage:
Linear Mode / Maximum or before clipping level
23.3/23.3dBV
14.6/14.6VRMS
Current:
Linear Mode / Maximum or before clipping level
45.7/48.7dB(mA)
192.2/273.0mA





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Frequency response McIntosh MHA150 Normal Gain 150-600 Ohm (as headphone amplifier)

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Channel

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 McIntosh MHA150 Normal Gain 150-600 Ohm (as headphone amplifier)

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Channel:LeftRight
Impedance average in band from 40 Hz - 15 kHz3.3 3.2ohm
The minimum value in band from 40 Hz - 15 kHz3.2 3.2ohm
The maximum value in band from 40 Hz - 15 kHz3.3 3.3ohm


Comparison of basic characteristics AMPs


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Crosstalk McIntosh MHA150 Normal Gain 150-600 Ohm (as headphone amplifier)

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Channel

Range

Load

Channel:LeftRight
Crosstalk @ 1 kHz @ 15.8 ohm -65.3 -65.7dB
Crosstalk @ 1 kHz @ 24.5 ohm -68.7 -68.9dB
Crosstalk @ 1 kHz @ 30.5 ohm -70.6 -70.7dB
Crosstalk @ 1 kHz @ 62.4 ohm -77.4 -77.7dB
Crosstalk @ 1 kHz @ 100.0 ohm -82.3 -82.7dB
Crosstalk @ 1 kHz @ 198.9 ohm -92.2 -93.0dB
Crosstalk @ 1 kHz @ 300.0 ohm -99.0 -95.3dB
Crosstalk @ 1 kHz @ 763.0 ohm -93.6 -94.1dB
Crosstalk @ 1 kHz @ Not loaded-87.5 -90.3dB



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Crosstalk Phase McIntosh MHA150 Normal Gain 150-600 Ohm (as headphone amplifier)

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Load




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Frequency response McIntosh MHA150 Normal Gain 150-600 Ohm with resistive load

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Frequency response of amplifier with resistive load @ 40 Hz - 15 kHz
Channel:LeftRight
TEST 16 ? + McIntosh MHA150 Normal Gain 150-600 Ohm 0.00.0dB
TEST 32 ? + McIntosh MHA150 Normal Gain 150-600 Ohm 0.00.0dB
TEST 64 ? + McIntosh MHA150 Normal Gain 150-600 Ohm 0.00.0dB
TEST 126 ? + McIntosh MHA150 Normal Gain 150-600 Ohm 0.00.0dB
TEST 256 ? + McIntosh MHA150 Normal Gain 150-600 Ohm 0.00.0dB
TEST 512 ? + McIntosh MHA150 Normal Gain 150-600 Ohm 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 McIntosh MHA150 Normal Gain 150-600 Ohm loaded dynamic headphone type

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Range

Frequency response of amplifier loaded dynamic headphone type @ 40 Hz - 15 kHz
Channel:LeftRight
TEST 10000 ? + McIntosh MHA150 Normal Gain 150-600 Ohm 0.00.0dB
Grado GH4 Limited Edition + McIntosh MHA150 Normal Gain 150-600 Ohm 0.60.5dB



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 McIntosh MHA150 Normal Gain 150-600 Ohm loaded type balance armature headphone type

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Range

Frequency response of amplifier loaded type balance armature headphone type @ 40 Hz - 15 kHz
Channel:LeftRight
TEST 10000 ? + McIntosh MHA150 Normal Gain 150-600 Ohm 0.00.0dB
Campfire Audio Andromeda + McIntosh MHA150 Normal Gain 150-600 Ohm 4.44.4dB
Fearless Audio S8F Freedom + McIntosh MHA150 Normal Gain 150-600 Ohm 3.63.3dB



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 McIntosh MHA150 Normal Gain 150-600 Ohm

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Channel

Load

Harmonic, number

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Load

Harmonic, number

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Load


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Maximum voltage output level vs load McIntosh MHA150 Normal Gain 150-600 Ohm

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RAW coordinates

Power characteristics of the Voltage Current
dBVVRMSdB(mA)mA
Equivalent class A 23.314.645.7192.2
Equivalent class AB 23.314.648.7273.0
Equivalent class B 23.314.648.7273.0
Maximum mode 23.314.648.7273.0


Volume Control TypeDiscrete Analog
Optimal range of volume control56.0dB


Comparison McIntosh MHA150 Normal Gain 150-600 Ohm and another amplifiers by loudness (Volume Level)

Main characteristics of the McIntosh MHA150 Normal Gain 150-600 Ohm


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Maximum voltage output level vs load McIntosh MHA150 Normal Gain 150-600 Ohm

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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 10.23.213.13.213.13.213.13.2
24.5 ohm 13.24.616.14.616.14.616.14.6
30.5 ohm 15.45.918.45.918.45.918.45.9
62.4 ohm 21.311.722.311.722.311.722.311.7
100 ohm 22.012.622.012.622.012.622.012.6
198.9 ohm 23.114.423.114.423.114.423.114.4
300 ohm 23.214.423.214.423.214.423.214.4
763 ohm 23.214.523.214.523.214.523.214.5
Not loaded23.314.623.314.623.314.623.314.6



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 46.2203.749.1285.549.1285.549.1285.5
24.5 ohm 45.4186.048.4261.948.4261.948.4261.9
30.5 ohm 45.7192.948.7271.548.7271.548.7271.5
62.4 ohm 45.4186.946.4209.746.4209.746.4209.7
100 ohm 42.0125.842.0125.842.0125.842.0125.8
198.9 ohm 37.272.237.272.237.272.237.272.2
300 ohm 33.648.133.648.133.648.133.648.1
763 ohm 25.619.025.619.025.619.025.619.0


Power
Load Pure or equal class AOptimal or equal class ABHard or equal class BMax, before clipping
dBmmWdBmmWdBmmWdBmmW
15.8 ohm 28.2655.531.11288.031.11288.031.11288.0
24.5 ohm 29.3847.232.31680.832.31680.832.31680.8
30.5 ohm 30.61135.433.52248.633.52248.633.52248.6
62.4 ohm 33.42179.134.42743.234.42743.234.42743.2
100 ohm 32.01583.532.01583.532.01583.532.01583.5
198.9 ohm 30.21035.630.21035.630.21035.630.21035.6
300 ohm 28.4693.828.4693.828.4693.828.4693.8
763 ohm 24.4276.524.4276.524.4276.524.4276.5



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Spectrum of Total Harmonic Distortion vs Level McIntosh MHA150 Normal Gain 150-600 Ohm (as headphone amplifier)

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Level

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Level

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dBm

Range

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dBV

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Spectrum of Multitone Distortion vs Level vs Load McIntosh MHA150 Normal Gain 150-600 Ohm (as headphone amplifier)

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Level

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dBm

Range

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dBV

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Spectrum of IMD SMPTE vs Level McIntosh MHA150 Normal Gain 150-600 Ohm (as headphone amplifier)

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Level

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Range

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Level

Range

Range

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Shift

Range

dBm

Range

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dBV

Range


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Spectrum of IMD CCIF vs Level McIntosh MHA150 Normal Gain 150-600 Ohm (as headphone amplifier)

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Level

Range

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Level

Range

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Shift

dBm

Range

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dBV

Range


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More detailed

Measurements of McIntosh MHA150 Normal Gain 150-600 Ohm were carried out by Roman Kuznetsov on the hardware-software complex RAA.

The McIntosh MHA150 Normal Gain 150-600 Ohm 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.



McIntosh MHA150 was given for tests by Personal Audio






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.












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romanrex
Изображения, медиа и смайлы доступны в исходном чате.
2020-08-22 02:49:02

Комментарий к профессиональному отчету McIntosh MHA150
Тесты с использованием импульса отсутствуют из-за неотключаемого auto-fade. Такой сигнал воспроизвести просто невозможно, а подмешивание шума в 1 бит недостаточно. При шуме более высокой амплитуды уже результаты теста получаются шумными.

Для музыки эта система определения тишины проблемы не несет, а вот с измерениями, пришлось повозится с модификацией сигналов.
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