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 Hiby R6 Pro II Hi

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 Hiby R6 Pro II (as headphone amplifier)

Frequency response, Impedance and Frequency response with standard headphones

The main parameters of the universal block diagram of the amplifier
Average value of impedance band in 40 Hz - 15 kHz	0.0	ohm

Brief information

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

Frequency response Hiby R6 Pro II Hi (as headphone amplifier)

Graphics setting view

Channel

Range

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

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

Crosstalk Hiby R6 Pro II Hi (as headphone amplifier)

Graphics setting view

Channel

Range

Load

Channel:	Left	Right
Crosstalk @ 1 kHz @ Not loaded	-99.0	-99.6	dB

Brief information

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

Crosstalk Phase Hiby R6 Pro II Hi (as headphone amplifier)

Graphics setting view

Channel

Load

Brief information

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

THD vs load vs output voltage Hiby R6 Pro II Hi

Graphics setting view

Channel

Load

Harmonic, number

Range

Graphics setting view

Channel

Load

Harmonic, number

Range

Graphics setting view

Channel

Load

Range

Brief information

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

Maximum voltage output level vs load Hiby R6 Pro II Hi

Graphics setting view

Type of chart

RAW coordinates

Power characteristics of the	Voltage		Current
	dBV	V_RMS	dB(mA)	mA
Linear Mode	0.0	1.0	0.0	1.0
Optimal Mode	0.0	1.0	0.0	1.0
Hard Mode	0.0	1.0	0.0	1.0
Maximum mode	0.0	1.0	0.0	1.0

Volume Control Type	Analog
Optimal range of volume control	36.0	dB

Comparison Hiby R6 Pro II Hi and another amplifiers by loudness (Volume Level)

Main characteristics of the Hiby R6 Pro II Hi

Brief information

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

Maximum voltage output level vs load Hiby R6 Pro II Hi

Graphics setting view

Type of chart

RAW coordinates

Maximum Amplifier Voltage Level

Load	Linear Mode		Optimal Mode		Hard Mode		Max, before clipping
	dBV	V_RMS	dBV	V_RMS	dBV	V_RMS	dBV	V_RMS

Maximum level of amplifier current

Load	Linear Mode		Optimal Mode		Hard Mode		Max, before clipping
	dB(mA)	mA	dB(mA)	mA	dB(mA)	mA	dB(mA)	mA

Power

Load	Linear Mode		Optimal Mode		Hard Mode		Max, before clipping
	dBm	mW	dBm	mW	dBm	mW	dBm	mW

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 vs Level Hiby R6 Pro II Hi (as headphone amplifier)

Graphics setting view

Channel

Level Range

Graphics setting view

Channel

Level Range

Graphics setting view

Channel

Shift

dBm

Range

Graphics setting view

Channel

Shift

dBV

Range

Brief information

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

Spectrum of Multitone Distortion vs Level vs Load Hiby R6 Pro II Hi (as headphone amplifier)

Graphics setting view

Channel

Level Range

Graphics setting view

Channel

Level Range

Graphics setting view

Channel

Shift

dBm

Range

Graphics setting view

Channel

Shift

dBV

Range

Brief information

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

Spectrum of IMD SMPTE vs Level Hiby R6 Pro II Hi (as headphone amplifier)

Graphics setting view

Channel

Level Range

Range

Graphics setting view

Channel

Level Range

Range

Graphics setting view

Channel

Shift

Range

dBm

Range

Graphics setting view

Channel

Shift

Range

dBV

Range

Brief information

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

Spectrum of IMD CCIF vs Level Hiby R6 Pro II Hi (as headphone amplifier)

Graphics setting view

Channel

Level Range

Graphics setting view

Channel

Level Range

Graphics setting view

Channel

Shift

dBm

Range

Graphics setting view

Channel

Shift

dBV

Range

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 Hiby R6 Pro II Hi were carried out by Roman Kuznetsov on the hardware-software complex RAA.

The Hiby R6 Pro II Hi 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.

Hiby R6 Pro II 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: Hi

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