This is a report for professionals with a suite of tests for line output devices. Alternative version of the report for "dummies" in development.

A suite of tests for the line-out can be used for headphone or speaker output if in this mode it is possible to use the device as a source for connecting an external amplifier or if such a test suite can give more information about the implementation of the DAC in the device.

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

Test report - general data BRZHiFi Vol 2 (as Line Out mode)

Max voltage output at 0 dBFS	-1.2	dBV
	0.9	V_RMS

Brief information

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

Frequency response BRZHiFi Vol 2 Bluetooth (as Line Out mode)

Graphics setting view

Channel

Range

Frequency band

Type test:

Brief information

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

Impulse response BRZHiFi Vol 2 Bluetooth (as Line Out mode)

Graphics setting view

Channel

Duration for impulse, envelope and step responses

Graphics setting view

Channel

Duration for impulse, envelope and step responses

Brief information

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

Aliasing BRZHiFi Vol 2 Bluetooth (as Line Out mode)

Graphics setting view

Channel

Range

Type test:

Brief information

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

Harmonic Distortion vs Level BRZHiFi Vol 2 Bluetooth (as Line Out mode)

Graphics setting view

Channel

Comparison by

Harmonic, number

Brief information

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

Crosstalk BRZHiFi Vol 2 Bluetooth (as Line Out mode)

Graphics setting view

Channel

Range

Graphics setting view

Channel

Brief information

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

Spectrum of Total Harmonic Distortion (THD) BRZHiFi Vol 2 Bluetooth (as Line Out mode)

Graphics setting view

Channel

Level @ dBFS

Range

Graphics setting view

Channel

Level @ dBFS

Range

Brief information

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

Spectra BRZHiFi Vol 2 Bluetooth (as Line Out mode)

Spectrum of Dynamic Range (-60 dBFS)

Graphics setting view

Graphics setting view

Channel

Range

Range

Range

Brief information

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

Checking for correctness of reproduction signals depth more than 16-bit BRZHiFi Vol 2 Bluetooth (as Line Out mode)

Graphics setting view

Channel

Range

Brief information

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

Waveforms / Spectra BRZHiFi Vol 2 Bluetooth (as Line Out mode)

Graphics setting view

Channel

Range

Graphics setting view

Channel

Range

Type test:

Brief information

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

More detailed

Measurements of BRZHiFi Vol 2 Bluetooth were carried out by Roman Kuznetsov on the hardware-software complex RAA.

The BRZHiFi Vol 2 Bluetooth 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.

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.

BRZHiFi Vol 2 is available in reports and services. You are in a professional report.

Information for entry level users

Information for professionals

reports for a pro (DAC Line Out)

Comparison of on-line graphs

Quick jump to the schedule in this report: Bluetooth

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

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Comments

romanrex
Изображения, медиа и смайлы доступны в исходном чате.
2021-01-26 22:39:15

Комментарий к оглавлению отчетов BRZHiFi Vol 2

Устройство является коммутатором на 4-ре входа + Bluetooth вход, один выход, релейный регулятор громкости с шагом в 0.5 дБ на 128 уровней. Дополнительное управление через пульт ДУ.

romanrex
Изображения, медиа и смайлы доступны в исходном чате.
2021-01-26 22:42:12

Комментарий к профессиональному отчету BRZHiFi Vol 2 Bluetooth

Bluetooth режим откровенно низкого качества, сильный рост искажений. Из всех BT устройств, что слушал, нигде не было такого сильного перегруза. Хорошо слышно на басовитых треках.

romanrex
Изображения, медиа и смайлы доступны в исходном чате.
2021-01-26 22:45:16

Комментарий к профессиональному отчету BRZHiFi Vol 2 SXFI AMP vol 87 - BRZHiFi Step 0 - EMU1616m

Отчет Reference - это исходных сигнал для тестов, где тестируется непосредственно регулятор громкости. В качестве источника Creative SXFI AMP со сниженной громкостью 87%. Далее в других отчетах использовались те же самые провода, только между SXFI AMP и E-MU1616m был подключен Vol 02.

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BRZHiFi Vol 2 Bluetooth
BRZHiFi Vol 2 Bluetooth