Measurement's report Fostex TR-70 - Reference Audio Analyzer

Reports / Fostex / TR-70 - report for a pro

Fostex TR-70 (report for a pro)

Test report - general data Fostex TR-70 headphone

Frequency response, Impedance, Frequency response with standard AMPs

Your browser does not support Canvas

Perception of headphone frequency response curves of equal loudness ISO 226-2009

Your browser does not support Canvas

Sensitivity average in band from 100 Hz - 10 kHz108.7dB/V SPL
103.3dB/mW SPL
Impedance average in band from 40 Hz - 15 kHz284.6ohm
For 90 dB SPL, a voltage is required-18.7dBV
0.116VRMS
Taking into account the peak factor of 9 dB for the music signal-9.7 dBV
0.326VRMS
Measurements were performed on the stand:HDM-X






Frequency response and sensitivity headphones Fostex TR-70 headphone

Your browser does not support Canvas
Graphics setting view
Channel

Frequency band

Channel:LeftRight
Sensitivity average in band from 100 Hz - 10 kHz108.5 109.0dB/V SPL
Sensitivity average in band from 100 Hz - 10 kHz103.0103.5 dB/mW SPL
Sensitivity at 1 kHz102.3103.0dB/V SPL
Sensitivity at 500 Hz107.5106.4dB/mW SPL


Compare sensitivities and impedances of headphones

Brief information

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



Frequency response of headphone Fostex TR-70 headphone

Your browser does not support Canvas
Graphics setting view
Channel

Range

Frequency band

Smoothing

Channel:LeftRight
Variation in frequency response in band from 100 Hz - 10 kHz -8.2, +6.8-8.8, +8.4dB


Brief information

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



Impedance Fostex TR-70 headphone

Your browser does not support Canvas
Graphics setting view
Channel

Frequency band

Channel:LeftRight
Impedance average in band from 40 Hz - 15 kHz286.6 282.5ohm
Resistance at 1 kHz270.6 268.3ohm
Resistance at 500 Hz280.7 278.2ohm
The minimum value in band from 40 Hz - 15 kHz263.1 261.6ohm
The maximum value in band from 40 Hz - 15 kHz311.8 305.1ohm


Compare sensitivities and impedances of headphones

Brief information

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



Electric phase Fostex TR-70 headphone

Your browser does not support Canvas
Graphics setting view
Channel

Range

Frequency band

Channel:LeftRight
Phase deviation is the average in the range 40 Hz - 15 kHz1.6 1.7°
Phase at 1 kHz-0.6 -0.8°
Phase at 500 Hz-3.4 -3.3°
The minimum value in band from 40 Hz - 15 kHz-4.0 -3.8°
The maximum value in band from 40 Hz - 15 kHz13.1 13.2°




Brief information

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



Perception of headphone frequency response curves of equal loudness ISO 226-2009

Your browser does not support Canvas
Graphics setting view
Channel

Range

Variation in frequency response in band from 30 Hz - 12 kHz
Channel:LeftRight
Deviation -36.0 dB-11.4, +12.3 (23.7)-11.7, +14.1 (25.8)dB
Deviation -24.0 dB-7.2, +10.3 (17.5)-7.5, +12.1 (19.6)dB
Deviation -12.0 dB-7.5, +8.3 (15.8)-7.8, +10.1 (17.9)dB
Deviation 0.0 dB-8.6, +6.3 (14.9)-9.1, +8.1 (17.3)dB
Deviation 12.0 dB-9.8, +6.1 (15.9)-10.5, +6.2 (16.7)dB
Deviation 24.0 dB-10.9, +9.6 (20.4)-11.8, +9.3 (21.2)dB
Deviation 36.0 dB-11.9, +13.6 (25.6)-13.1, +13.3 (26.4)dB

Variation in frequency response in band from 40 Hz - 1 kHz
Channel:LeftRight
Deviation -36.0 dB-11.4, +12.3 (23.7)-11.7, +14.1 (25.8)dB
Deviation -24.0 dB-7.2, +10.3 (17.5)-7.5, +12.1 (19.6)dB
Deviation -12.0 dB-7.5, +8.3 (15.8)-7.8, +10.1 (17.9)dB
Deviation 0.0 dB-8.6, +6.3 (14.9)-9.1, +8.1 (17.3)dB
Deviation 12.0 dB-9.8, +6.1 (15.9)-10.5, +6.2 (16.7)dB
Deviation 24.0 dB-10.9, +9.6 (20.4)-11.8, +9.3 (21.2)dB
Deviation 36.0 dB-11.9, +13.6 (25.6)-13.1, +13.3 (26.4)dB


Brief information

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



Frequency response Fostex TR-70 headphone when connected to amplifiers with constant output impedance

Your browser does not support Canvas
Graphics setting view
Channel

Range

Frequency response

Frequency response of amplifier with constant output resistance 100 Hz - 10 kHz
Channel:LeftRight
Fostex TR-70 + AMP 0 Ω -1.9, +13.0-2.8, +14.4dB
Fostex TR-70 + AMP 10 Ω -1.9, +13.0-2.8, +14.4dB
Fostex TR-70 + AMP 20 Ω -1.9, +13.0-2.8, +14.4dB
Fostex TR-70 + AMP 50 Ω -1.9, +13.0-2.9, +14.4dB
Fostex TR-70 + AMP 100 Ω -1.9, +13.1-2.9, +14.4dB
Fostex TR-70 + AMP 300 Ω -1.9, +13.1-2.9, +14.4dB

Variation in frequency response with amplifiers with constant output resistance @ 100 Hz - 10 kHz
Channel:LeftRight
Fostex TR-70 + AMP 0 Ω 0.00.0dB
Fostex TR-70 + AMP 10 Ω 0.00.0dB
Fostex TR-70 + AMP 20 Ω 0.10.1dB
Fostex TR-70 + AMP 50 Ω 0.20.2dB
Fostex TR-70 + AMP 100 Ω 0.40.3dB
Fostex TR-70 + AMP 300 Ω 0.80.7dB


Brief information

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



Frequency response Fostex TR-70 headphone when connected to an amplifier with zero output impedance and raising of output impedanse in low frequencies

Your browser does not support Canvas
Graphics setting view
Channel

Range

Frequency response

Variation in frequency response in band from 100 Hz - 10 kHz
Channel:LeftRight
Fostex TR-70 + AMP 0 Ω -1.9, +13.0-2.8, +14.4dB
Fostex TR-70 + AMP ➘ 0 Ω -1.9, +13.0-2.8, +14.4dB

Deviation of frequency response @ 40 Hz
Channel:LeftRight
Fostex TR-70 + AMP 0 Ω 0.00.0dB
Fostex TR-70 + AMP ➘ 0 Ω 0.00.0dB


Brief information

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



Impulse response Fostex TR-70 headphone

Your browser does not support Canvas
Graphics setting view
Channel

Duration for impulse, envelope and step responses

Waveforms

Brief information

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



Square wave Fostex TR-70 headphone

Your browser does not support Canvas