crinacle's IEM FR measurement database
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crinacle

Member of the Trade: In-Ear Fidelity
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Location
Singapore
Joined
Feb 3, 2011
Location
Singapore
Posts
2,349
Likes
2,947
Website
crinacle.com
The master list of all published graphs is also available on my website.
https://crinacle.com/graphs/

SETUP, CONDITIONS AND PROCEDURES

Setup
: iPhone dongle (rated at 0.1ohm output impedance) -> TRRS splitter -> high efficiency capsule microphone -> IEC60318-4 compliant inner ear simulator, "AudioTools" app on iOS

With this portable measuring rig, I was able to run around the country to take measurements off demo units. Will be updating this post and the imgur album as I get more and more opportunities to do so in the near future.

Measurements are done on theFFT function of the AudioTools app with the following settings and procedures:
  1. Periodic Pink Noise running on the music app in the background
  2. Microphone on "High Range" setting
  3. 32768 FFT points
  4. dB scale: 30dB to 85dB
  5. Right channel at determined at 94dB +/-1.0dB averaged
  6. Resonance point normalised as close to 8,000Hz as possible (may not be possible due to shell dimensions)
  7. 30-60 second average
  8. Left channel maintained at the same volume as right channel
*Note: All IEMs are measured with wide-bore silicone tips unless otherwise stated.

DISCLAIMERS
1. A Frequency Response graph is not in any way an indication of good sound quality. Think of it as flavours, like in ice-cream. The FR is like the branding at the side of the tub telling you the flavour of the ice cream. It's not going to tell you if it's good ice cream, but at least you have a way of finding out if it's the flavour you want.

2. Measurements in this database are raw and based on the IEC60318-4 standard. If you are going to compare my measurements with others, at least make sure that both equipment are standardised.

3. Flat on the graph DOES NOT MEAN flat in real life. The fact that IEMs bypass the outer ear structure necessitates higher SPL in the 2-5k regions as compensation (see: Diffuse Field, Head Related Transfer Function, Harman Target).

4. Measurements are meant to complement subjective impressions, not form the basis for them. I get that certain people like to paint me as some sort of objectivehead figure where all I do is look at graphs and determine quality sorely off of said metrics. 99% of the IEMs I've measured, I have listened to as well. If not for the graphs, one can also take this database as a list of IEMs I've tried and auditioned, and the graphs simply being proof of it.

5. Unit variation is a thing. I do not control what demo units the companies provide to me or to their distributors (where I usually do measurements). If you find issues with my measurements, it can be any of the following:​
a) Inconsistent manufacturing
b) Broken/malfunctioning units (in a way that is not immediately obvious)
c) Horrible channel matching
d) Measurement error (yes, I am human, I make mistakes sometimes)
6. Expect a resonant peak. This peak exists around 7-10k and is affected by insert depth. If you are not sure what I'm talking about, don't try to be smart. Ignore frequencies above 7k until you do.

7. Insert depth for measurements is NOT constant. I attempt to have all measurements performed with a 8000Hz resonance. However, due to the nature of certain IEMs, I may have to use deep inserts to emulate how the IEM should be used (i.e. ER4), or in other cases simply having to work with a shallower fit due to shell constraints (i.e. FitEar demos). As such, the final insert depth/resonance point of each measurement is essentially arbitrary and up to my own discretion.

8. I am aware of the jaggedness of the bass frequencies. This is due to the low resolution of the error correction calibration of the application used. I cannot control it, I cannot fix it, so unfortunately you'll have to live with it.



Measurements list



Legacy measurements hidden below:

Consolidated imgur album
(Raw .txt data discontinued until further notice)

ModelUnit ownership/locationDate measured
1More Triple DriverJaben Melbourne demo unit26/04/18
1More Quad DriverJaben Melbourne demo unit26/04/18
64 Audio A2eE1 Personal Audio demo unit09/07/18
64 Audio A4tMusic Sanctuary demo unit15/06/18
64 Audio A6tMusic Sanctuary demo unit15/06/18
Music Sanctuary demo unit10/06/18
64 Audio A12tMusic Sanctuary demo unit15/06/18
E1 Personal Audio demo unit

Music Sanctuary demo unit
15/07/18

15/06/18
64 Audio Tia Trio
Sample 2
E1 Personal Audio demo unit
Music Sanctuary demo unit
15/07/18
10/06/18
64 Audio Tia FourteMusic Sanctuary demo unit10/06/18
A&K T8iE Mk1Zeppelin & Co demo unit12/06/18
AAW A2H Pro V2Third party03/07/18
AAW AXHJaben Melbourne demo unit26/04/18
AAW W500Jaben Melbourne demo unit26/04/18
AAW W900Personal23/04/18
Acoustune HS1001Zeppelin & Co demo unit12/06/18
Acoustune HS1003Zeppelin & Co demo unit12/06/18
Acoustune HS1004
Sample 2
Zeppelin & Co demo unit
Third party
10/06/18
19/06/18
Acoustune HS1501Zeppelin & Co demo unit10/06/18
Acoustune HS1503Zeppelin & Co demo unit10/06/18
Acoustune HS1551Zeppelin & Co demo unit10/06/18
Zeppelin & Co demo unit19/06/18
Advanced Evo XZeppelin & Co demo unit19/06/18
Zeppelin & Co demo unit27/06/18
Personal06/10/18
Advanced M3Zeppelin & Co demo unit19/06/18
Advanced M4Zeppelin & Co demo unit19/06/18
Advanced M51DZeppelin & Co demo unit12/06/18
Advanced M55DZeppelin & Co demo unit12/06/18
Advanced S2000Zeppelin & Co demo unit19/06/18
Zeppelin & Co demo unit15/06/18
Alpha & Delta D6Review unit23/04/18
ARC PolluxMusic Sanctuary demo unit20/06/18
Audeze iSine 10Stereo Singapore demo unit25/06/18
Audeze iSine 20Stereo Singapore demo unit25/06/18
Audeze LCD-i4Stereo Singapore demo unit25/06/18
Audio Genetic AG2Zeppelin & Co demo unit10/06/18
Audio Technica ATH-IM02Third party09/07/18
Audio Technica ATH-LS200Stereo Singapore demo unit25/06/18
Audio Technica ATH-LS300Stereo Singapore demo unit25/06/18
Audio Technica ATH-LS400Stereo Singapore demo unit25/06/18
Audio Technica ATH-E70Stereo Singapore demo unit25/06/18
Beyerdynamic XelentoJaben Melbourne demo unit26/04/18
Brainwavz B400Zeppelin & Co demo unit12/06/18
Campfire AndromedaZeppelin & Co demo unit10/06/18
Campfire AtlasZeppelin & Co demo unit10/06/18
Campfire CometZeppelin & Co demo unit10/06/18
Campfire DoradoZeppelin & Co demo unit10/06/18
Campfire Orion (misnamed in graph)Zeppelin & Co demo unit10/06/18
Campfire Polaris
Sample 2
Zeppelin & Co demo unit
Third party
10/06/18
15/06/18
Campfire VegaZeppelin & Co demo unit10/06/18
Codename: "Event Horizon"???29/06/18
CTM CT-200Music Sanctuary demo unit15/06/18
CTM CT-300PMusic Sanctuary demo unit15/06/18
CTM CT500-E
Sample 2
Jaben Singapore demo unit
Music Sanctuary demo unit
19/06/18
15/06/18
CTM CT-6E
Sample 2
Jaben Singapore demo unit
Music Sanctuary demo unit
18/06/18
15/06/18
Custom Art Ei.3Music Sanctuary demo unit20/06/18
Custom Art Pro330v2Music Sanctuary demo unit20/06/18
Custom Art FIBAE 1Music Sanctuary demo unit20/06/18
Custom Art FIBAE 2Music Sanctuary demo unit20/06/18
Custom Art FIBAE 3Music Sanctuary demo unit20/06/18
Custom Art FIBAE MEMusic Sanctuary demo unit20/06/18
Custom Art Harmony 8.2Music Sanctuary demo unit20/06/18
Daiso $2 earphonesThird party12/06/18
Delta Air complimentary earphonesThird party10/06/18
Dita AnswerZeppelin & Co demo unit09/07/18
Dita TruthZeppelin & Co demo unit09/07/18
Dita BrassThird party23/06/18
Dita FealtyZeppelin & Co demo unit12/06/18
Dita FidelityZeppelin & Co demo unit12/06/18
Dita DreamZeppelin & Co demo unit12/06/18
Dunu DN-1000E1 Personal Audio demo unit09/07/18
Dunu DN-2000E1 Personal Audio demo unit09/07/18
Dunu DN-2002LMUE demo unit18/06/18
Dunu Titan 3E1 Personal Audio demo unit15/07/18
Earsonics EM32Music Sanctuary demo unit20/06/18
Earsonics EM4Music Sanctuary demo unit20/06/18
Earsonics EM6Music Sanctuary demo unit20/06/18
Earsonics EM10Zeppelin & Co demo unit10/06/18
Earsonics ES2Music Sanctuary demo unit20/06/18
Earsonics ES3Music Sanctuary demo unit20/06/18
Earsonics ES5Music Sanctuary demo unit20/06/18
Earsonics S-EM9Music Sanctuary demo unit20/06/18
Eartech DualsMusic Sanctuary demo unit11/07/18
Eartech TriplesMusic Sanctuary demo unit11/07/18
Eartech QuadsMusic Sanctuary demo unit11/07/18
Empire Ears EVRZeppelin & Co demo unit12/06/18
Empire Ears ESRZeppelin & Co demo unit12/06/18
Empire Ears Phantom
Sample 2
Zeppelin & Co demo unit
Euphoria Audio demo unit
10/06/18
Empire Ears BravadoZeppelin & Co demo unit12/06/18
Empire Ears VantageZeppelin & Co demo unit12/06/18
Empire Ears NemesisZeppelin & Co demo unit12/06/18
Empire Ears Legend XZeppelin & Co demo unit10/06/18
Eternal Melody EM-2
Sample 2
Third party
Music Sanctuary demo unit
17/06/18
10/07/18
Eternal Melody EM-5Music Sanctuary demo unit10/07/18
Eternal Melody EM-5HMusic Sanctuary demo unit10/07/18
Eternal Melody EM-6WMusic Sanctuary demo unit10/07/18
Etymotic ER4PThird party23/06/18
Etymotic ER4SThird party23/06/18
Etymotic ER4SRZeppelin & Co demo unit12/06/18
Etymotic ER4XRZeppelin & Co demo unit12/06/18
Fender FXA9E1 Personal Audio demo unit09/07/18
Fidue A91 "Sirius"LMUE demo unit18/06/18
FiiO FH1Stereo Singapore demo unit25/06/18
FiiO F3E1 Personal Audio demo unit09/07/18
FiiO F5E1 Personal Audio demo unit09/07/18
FiiO F9 ProStereo Singapore demo unit25/06/18
Final Audio E2000Zeppelin & Co demo unit23/06/18
Final Audio E3000Zeppelin & Co demo unit27/06/18
Final Audio E4000Zeppelin & Co demo unit12/06/18
Final Audio E5000Zeppelin & Co demo unit12/06/18
Final Audio F4100Zeppelin & Co demo unit20/06/18
Final Audio F7200Zeppelin & Co demo unit20/06/18
Final Audio Heaven 4Third party23/06/18
Final Audio Heaven 7Third party23/06/18
Final Audio LAB 1Third party23/06/18
Third party23/06/18
FitEar AyaJaben Singapore demo unit18/06/18
FitEar FitearJaben Singapore demo unit18/06/18
FitEar Monet 17Jaben Singapore demo unit18/06/18
FitEar Parterre
Sample 2
Jaben Singapore demo unit
Jaben Melbourne demo unit
19/06/18
26/04/18
FitEar F111Jaben Melbourne demo unit26/04/18
FitEar Private 222Jaben Singapore demo unit18/06/18
FitEar 223Jaben Melbourne demo unit26/04/18
FitEar Private 333Jaben Singapore demo unit18/06/18
FitEar MH334
Custom sample
Jaben Melbourne demo unit
Third party
26/04/18
16/06/18
FitEar TG334
Sample 2
Jaben Melbourne demo unit
Personal
26/04/18
10/07/18
FitEar MH335DWJaben Melbourne demo unit26/04/18
Focal SphearZeppelin & Co demo unit23/06/18
Grado GR8Zeppelin & Co demo unit09/07/18
Grado iGEZeppelin & Co demo unit09/07/18
Hidition NT6 (custom)Third party03/07/18
Hifiman RE400Personal24/04/18
HUM Pristine Reference (custom)Third party03/07/18
Hyla CE-5Loaned from @ryanjsoo23/04/18
Hyla Nerva XZeppelin & Co demo unit10/06/18
iBasso IT01Loaned from @ryanjsoo24/04/18
iBasso IT03Zeppelin & Co demo unit23/06/18
iBasso IT04Zeppelin & Co demo unit10/06/18
InEar StageDiver SD2Music Sanctuary demo unit15/06/18
InEar StageDiver SD3Music Sanctuary demo unit15/06/18
InEar StageDiver SD4Music Sanctuary demo unit15/06/18
InEar StageDiver SD5Music Sanctuary demo unit15/06/18
Music Sanctuary demo unit15/06/18
Intime SoraThird party23/06/18
JH Audio Billie JeanAV One demo unit03/07/18
Zeppelin & Co demo unit12/06/18
Zeppelin & Co demo unit12/06/18
Jaben Melbourne demo unit26/04/18
Zeppelin & Co demo unit12/06/18
Jomo HakaEuphoria Audio demo unit10/06/18
Jomo JazzEuphoria Audio demo unit10/06/18
Euphoria Audio demo unit10/06/18
Jomo SalsaEuphoria Audio demo unit10/06/18
Jomo SambaEuphoria Audio demo unit10/06/18
Jomo TangoEuphoria Audio demo unit10/06/18
Euphoria Audio demo unit10/06/18
Justear Club Sound (custom)Third party10/06/18
JVC HA-FD01 (brass filter)Stereo Singapore demo unit25/06/18
JVC HA-FD02Stereo Singapore demo unit25/06/18
JVC HA-FW01Zeppelin & Co demo unit09/07/18
JVC HA-FW02Zeppelin & Co demo unit09/07/18
JVC HA-FW03Zeppelin & Co demo unit09/07/18
Kinera BD005Zeppelin & Co demo unit12/06/18
Kinera IDUNThird party03/07/18
Kumitate KL-Sirius (custom)Third party23/06/18
Third party17/06/18
KZ ED16 (misnamed on graph)Third party12/06/18
KZ ES4Third party12/06/18
KZ S4Third party12/06/18
KZ ZS3Third party12/06/18
KZ ZS5v1Third party12/06/18
KZ ZS5v2Third party12/06/18
KZ ZS6Third party23/06/18
KZ ZS10Third party12/06/18
KZ ZSRThird party10/06/18
Lark Studio LSX (Pre-production tuning)Music Sanctuary demo unit11/07/18
Lime Ears LE2Music Sanctuary demo unit20/06/18
Music Sanctuary demo unit20/06/18
Music Sanctuary demo unit20/06/18
Third party12/06/18
Massdrop x MEE PlanamicReview unit04/10/18
Massdrop x NuForce EDC3Review unit15/06/18
Meze 12 ClassicsZeppelin & Co demo unit09/07/18
Moondrop BlessingReview unit03/09/18
NCM BellaReview loaner23/04/18
Noble TridentStereo Singapore demo unit25/06/18
Noble SageStereo Singapore demo unit25/06/18
Noble SavannaStereo Singapore demo unit25/06/18
Noble Dulce BassStereo Singapore demo unit25/06/18
Noble DjangoStereo Singapore demo unit25/06/18
Noble KatanaStereo Singapore demo unit25/06/18
Noble K10Stereo Singapore demo unit25/06/18
Noble Kaiser EncoreStereo Singapore demo unit25/06/18
Ocharaku Co-Donguri ShizukuThird party03/07/18
Ocharaku Donguri Ti PlusThird party03/07/18
Ocharaku Flat-4 AkakeyakiThird party17/06/18
Ocharaku Flat-4 AkazakuraThird party15/06/18
Ocharaku Flat-4 Kaede Type 1Third party17/06/18
Ocharaku Flat-4 Kaede Type 2Third party17/06/18
Ocharaku Flat-4 Ti PlusThird party17/06/18
Onkyo E900Zeppelin & Co demo unit23/06/18
Oriolus ForsteniZeppelin & Co demo unit12/06/18
Oriolus Mk2Zeppelin & Co demo unit12/06/18
Oriveti BasicE1 Personal Audio demo unit09/07/18
Oriveti New PrimacyE1 Personal Audio demo unit09/07/18
PEARS SH3Third party15/07/18
Periodic TiReview unit24/04/18
Phonak PFE232Third party10/06/18
qdc NeptuneMusic Sanctuary demo unit15/06/18
qdc 3SHMusic Sanctuary demo unit15/06/18
qdc 4SSMusic Sanctuary demo unit15/06/18
qdc 5SHMusic Sanctuary demo unit15/06/18
qdc 8SHMusic Sanctuary demo unit15/06/18
qdc 8SSMusic Sanctuary demo unit15/06/18
Music Sanctuary demo unit15/06/18
Music Sanctuary demo unit15/06/18
Music Sanctuary demo unit15/06/18
RHA MA750Stereo Singapore demo unit25/06/18
RHA CL750Stereo Singapore demo unit25/06/18
RHA CL1Stereo Singapore demo unit25/06/18
Rhapsodio ClipperZeppelin & Co demo unit12/06/18
Rose Mini2Loaned from @ryanjsoo23/04/18
Rose BR5 Mk2Loaned from @ryanjsoo23/04/18
Satolex Tubomi DH298-A1BkZeppelin & Co demo unit09/07/18
Satolex Tubomi DH302-A1BsZeppelin & Co demo unit09/07/18
Satolex Tumuri DH303-A1Zeppelin & Co demo unit09/07/18
Satolex Tubomi DH310-A1SSZeppelin & Co demo unit09/07/18
Zeppelin & Co demo unit09/07/18
Zeppelin & Co demo unit19/06/18
Sennheiser IE800Zeppelin & Co demo unit19/06/18
Sennheiser IE800SJaben Melbourne demo unit26/04/18
Shozy HibikiZeppelin & Co demo unit10/06/18
Shure SE215Zeppelin & Co demo unit19/06/18
Shure SE215LTDZeppelin & Co demo unit19/06/18
Shure SE315Zeppelin & Co demo unit19/06/18
Shure SE425Zeppelin & Co demo unit19/06/18
Shure SE535Zeppelin & Co demo unit19/06/18
Sample 2 (Black filter)
Zeppelin & Co demo unit
Jaben Melbourne demo unit
19/06/18
26/04/18
Shure SE846 fakeZeppelin & Co demo unit12/06/18
Shure KSE1200Zeppelin & Co demo unit12/06/18
Simgot EN700LMUE demo unit18/06/18
Singapore Airlines complimentary earphonesPersonal10/06/18
Sony MDR-EX510Third party10/07/18
Sony MDR-7550Third party09/07/18
Third party09/07/18
Sony MDR-EX1000
Sample 2
Third party15/06/18
10/07/18
Sony XBA-300APZeppelin & Co demo unit09/07/18
Stax SR-002Zeppelin & Co demo unit12/06/18
Stealthsonics U2Stealthsonics demo unit27/06/18
Stealthsonics U4Stealthsonics demo unit27/06/18
Stealthsonics U9Stealthsonics demo unit27/06/18
Stealthsonics U9 JDM EditionStealthsonics demo unit27/06/18
Symphonium Audio MirageMusic Sanctuary demo unit11/07/18
Symphonium Audio AuroraMusic Sanctuary demo unit11/07/18
Taobao 3 driver (mislabeled on graph)Third party12/06/18
Taobao 6 driverThird party12/06/18
Taobao F111Third party23/06/18
TFZ 1SLMUE demo unit18/06/18
TFZ 2SLMUE demo unit18/06/18
TFZ 4SLMUE demo unit18/06/18
TFZ 5SLMUE demo unit18/06/18
TFZ Balance 2MLMUE demo unit18/06/18
TFZ Exclusive 1LMUE demo unit18/06/18
TFZ Exclusive 3LMUE demo unit18/06/18
TFZ Exclusive 5LMUE demo unit18/06/18
TFZ King ProLoaned from @ryanjsoo23/04/18
TFZ Mylove 2LMUE demo unit18/06/18
TFZ Tequila 1LMUE demo unit18/06/18
TFZ Ti GalaxyLMUE demo unit18/06/18
Tralucent 1plus2.2Third party03/07/18
Ultimate Ears Triple Fi 10Personal24/04/18
Ultimate Ears Reference Monitors UERM (custom)Third party12/06/18
Ultimate Ears Reference Remastered UERRMusic Sanctuary demo unit20/06/18
Ultimate Ears UE5Music Sanctuary demo unit20/06/18
Ultimate Ears UE6Music Sanctuary demo unit10/06/18
Ultimate Ears UE7Music Sanctuary demo unit20/06/18
Ultimate Ears UE11Music Sanctuary demo unit20/06/18
Ultimate Ears UE18+ 2nd Gen
Custom sample
Music Sanctuary demo unit
Third party
18/06/18
19/06/18
Ultimate Ears UE18+ 3rd GenMusic Sanctuary demo unit03/07/18
Ultimate Ears Live
Sample 2
Music Sanctuary demo unit10/07/18
10/06/18
Unique Melody ME1Stereo Singapore demo unit25/06/18
Unique Melody MartianStereo Singapore demo unit25/06/18
Unique Melody Miracle V2Stereo Singapore demo unit25/06/18
Unique Melody Merlin V1 (custom)Third party03/07/18
Unique Melody Merlin V2Stereo Singapore demo unit25/06/18
Unique Melody LegacyStereo Singapore demo unit25/06/18
Unique Melody Maestro V2Stereo Singapore demo unit25/06/18
Stereo Singapore demo unit25/06/18
Vision Ears VE5Euphoria Audio demo unit10/06/18
Euphoria Audio demo unit10/06/18
Vision Ears VE8Euphoria Audio demo unit10/06/18
VSonic AresLMUE demo unit18/06/18
VSonic GR07 Bass EditionLMUE demo unit18/06/18
VSonic GR07 Classic EditionLMUE demo unit18/06/18
VSonic GR07 Mk2LMUE demo unit18/06/18
VSonic VSD1SLMUE demo unit18/06/18
VSonic VSD2SLMUE demo unit18/06/18
VSonic VSD3SLMUE demo unit18/06/18
Warbler Prelude (custom)Third party10/06/18
Westone UM Pro 10Zeppelin & Co demo unit19/06/18
Westone UM Pro 20Zeppelin & Co demo unit19/06/18
Westone UM Pro 30Zeppelin & Co demo unit19/06/18
Westone UM Pro 50Zeppelin & Co demo unit19/06/18
Westone W10Zeppelin & Co demo unit19/06/18
Westone W20Zeppelin & Co demo unit19/06/18
Westone W30Zeppelin & Co demo unit19/06/18
Westone W40Zeppelin & Co demo unit19/06/18
Westone W50Zeppelin & Co demo unit19/06/18
Westone W60Zeppelin & Co demo unit19/06/18
Westone W80Stereo Singapore demo unit25/06/18
Whizzer A15Zeppelin & Co demo unit12/06/18
Whizzer A15 ProZeppelin & Co demo unit12/06/18
Zero Audio Carbo Tenore ZH-DX200-CTPersonal24/04/18
Zero Audio Carbo Singolo ZH-BS150-CSZeppelin & Co demo unit23/06/18
Zero Audio Carbo Basso ZH-DX210-CBZeppelin & Co demo unit23/06/18
Zero Audio Carbo Doppio ZH-BX700Zeppelin & Co demo unit23/06/18

Legacy measurements (Dayton IMM6 + tubing coupler)

Those in red have been graciously provided by @nmatheis.
Those in green have been graciously provided by @malvinviriya.

In alphabetical order:

?????
1More E1001 "Triple Driver"
1More Quad Driver
64 Audio A2
64 Audio A3
64 Audio A4
64 Audio U4-SE
64 Audio A5
64 Audio A6
64 Audio A8
64 Audio A10
64 Audio U18Tzar
64 Audio Tia Fourte
A&K T8iE Mk2
AAW A1D
AAW A2H-Pro
AAW A2H-Pro V2
AAW A3H-Pro (custom)
AAW A3H-Pro V2
AAW M40
AAW Nebula One
AAW Nebula Two
AAW Q
AAW W100
AAW W300
AAW W350
Acoustune HS1501
Acoustune HS1551
ACS Encore
ACS Evoke
ACS Evolve
Advanced M3 (wired)
Advanced M4
Advanced Evo X
A-Jays 3
Alpha & Delta AD01
Alpha & Delta D2
Audeze iSine 10
Audeze iSine 20
Audeze LCDi4
Audio Technica ATH-CK90Pro
Audio Technica ATH-CKB50
Audio Technica ATH-CKM99
Audio Technica ATH-CKR10
Audio Technica ATH-CKR70
Audio Technica ATH-CKR100
Audio Technica ATH-CKS1100iS
Audio Technica ATH-E40
Audio Technica ATH-E50
Audio Technica ATH-E70
Audio Technica ATH-IM01
Audio Technica ATH-IM02
Audio Technica ATH-IM70
Audio Technica ATH-LS200
Audio Technica ATH-LS300
Audio Technica ATH-LS400
Audio Technica ATH-LS50
Audio Technica ATH-LS70
Audiofly AF160
Avara AV1
Avara AV2
Avara AV3

Beyerdynamic Xelento
Bragi Dash
Brainwavz B100
Brainwavz B200
Brainwavz M100

Campfire Andromeda
Campfire Dorado
Campfire Jupiter
Campfire Lyra II
Campfire Nova
Campfire Orion
Campfire Polaris (Alternative)
Campfire Vega
Canal Works CW-L33BB
Canal Works CW-L05QD2
Cardas A8
Cardas EM5813
Clear Tune Monitors CT-100
Clear Tune Monitors CT-200
Clear Tune Monitors CT-300 Pro
Clear Tune Monitors CT-400P
Clear Tune Monitors CT-500E
Clear Tune Monitors CT6-E
Cosmic Ears CE6P
Custom Art Ei.3
Custom Art Ei.XX (Alternative)
Custom Art Music One
Custom Art Music Two
Custom Art Pro330v2
Dita Audio "The Answer"
Dita Audio "The Truth"
Dita Audio "The Truth" Gold
Dita Audio Brass
Dita Audio Dream
Dunu DK-3001
Earsonics SM3
Earsonics SM64v2
Earsonics S-EM6
EarWerkz Supra (custom)
Empire Ears Arthur
Empire Ears Merlin
Eternal Melody EM-2
Eternal Melody EM-5
Eternal Melody EM-5H
Etymotic ER4PT
Etymotic ER4XR
Fender DXA1
Fender FXA2
Fender FXA5
Fender FXA6
Fender FXA7
Fidue A91 "Sirius"
FiiO F3
FiiO F9 (Alternative)
Final Audio Adagio III
Final Audio Design E2000
Final Audio Design E3000
Final Audio Design F7200
Final Audio Design FI-BA-SS
Final Audio Design Heaven II
Final Audio Design Heaven IV
Final Audio Design Heaven VI
Final Audio Design Heaven VII
Final Audio Design Heaven VIII
Final Audio Design LAB I
Final Audio Design LAB II
FitEar Aya
FitEar F111
FitEar Fitear
FitEar Melomane
FitEar MH335
FitEar MH335SR
FitEar Monet 17
FitEar Parterre
FitEar Private 222
FitEar Private 223
FitEar Private 333
FitEar To Go! 334 (TG334)
FLC Technology FLC8S (default filters)
Focal Sphear
Fostex TE-02WP
Fostex TE100
Grado GR10e
Heygears Anora
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Aegruin

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They seem really accurate. Definitely, it's a very good work!
 
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nmatheis

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Great job, bro!

Can you add in a reference IEM to the FR graphs in FFT Plot for comparison?

EDIT: Your measurement rig looks eerily similar to mine :wink_face:



SECOND EDIT:
I'm going to get that app and try measuring my IT03. One thing that would be helpful is if you could include which tips you used during measurement. Some IEM / tip combinations do adjust the frequency response enough to easily detect with IMM06 + Audio tools APP. I'm sure you could detect them with FFT Plot, as well.

THIRD EDIT: How long have you had your IMM06?
 
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crinacle

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Great job, bro!

Can you add in a reference IEM to the FR graphs in FFT Plot for comparison?

EDIT: Your measurement rig looks eerily similar to mine :wink_face:



SECOND EDIT:
I'm going to get that app and try measuring my IT03. One thing that would be helpful is if you could include which tips you used during measurement. Some IEM / tip combinations do adjust the frequency response enough to easily detect with IMM06 + Audio tools APP. I'm sure you could detect them with FFT Plot, as well.

THIRD EDIT: How long have you had your IMM06?

Unfortunately not. The FFT Plot app isn't really powerful can't do a lot of things. However, anyone's free to reference off my catalogue, though I recommend the ER4XR as the neutral benchmark.

I suspect something's off on my IT03 as it's not detecting the 8-9K spike from the manufacturer's own measurements. If I remember correctly, it was on stock tips at a 12mm spacing.

I had my IMM-06 for about two weeks now.
 
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nmatheis

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Cool beans, man!

Perhaps we can chat via PM, synchronize our technique, and expand this thread to include more measurements. I've already measured lots of IEM and have them in my AudioTools database. Let me know what you think...
 
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crinacle

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Yeah looks like my suspicions were confirmed. Maybe the unit I was using was faulty. Are you using pink noise or white noise?
 
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nmatheis

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Using Pink Noise with FFT Plot looks like this for IT03:



That just doesn't look right to me. IT03 don't skimp on bass, but they're not bass monsters like that. Some serious correction would need to be applied, I fear...
 
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tarhana

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thanks for the enlightning post!

can you compare oriolus and oriolus forsteni please? fr graph seems similar, can forsteni keep up?
 
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nmatheis

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thanks for the enlightning post!

can you compare oriolus and oriolus forsteni please? fr graph seems similar, can forsteni keep up?

crinacle posted links to FR Curves for the Oriolus IEM in the first post. Check them out!

I wish FFT Plot allowed multiple FR Curves to be compared, normalized at 1kHz like AudioTools allows. That's really, really handy!!!

I think I'm going to contact the developer for FFT Plot and see if they can incorporate that functionality...
 
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tarhana

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crinacle posted links to FR Curves for the Oriolus IEM in the first post. Check them out!

I wish FFT Plot allowed multiple FR Curves to be compared, normalized at 1kHz like AudioTools allows. That's really, really handy!!!

I think I'm going to contact the developer for FFT Plot and see if they can incorporate that functionality...

i already mentioned that i saw both graphs, asking for more detail? can forsteni keep up with micro details, soundstage etc.
 
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Using Pink Noise with FFT Plot looks like this for IT03:



That just doesn't look right to me. IT03 don't skimp on bass, but they're not bass monsters like that. Some serious correction would need to be applied, I fear...

No your first graph was correct. White noise is most accurate on a non octave-smoothed software like FFT.

At any as for now, disregard my IT03 measurements until I get another chance to measure. Plenty of demo units floating around the island...

crinacle posted links to FR Curves for the Oriolus IEM in the first post. Check them out!

I wish FFT Plot allowed multiple FR Curves to be compared, normalized at 1kHz like AudioTools allows. That's really, really handy!!!

I think I'm going to contact the developer for FFT Plot and see if they can incorporate that functionality...

i already mentioned that i saw both graphs, asking for more detail? can forsteni keep up with micro details, soundstage etc.

I thought the MK2 and Forsteni were more or less the same in terms of performance, honestly. In fact, I preferred the tonality of the Forsteni.

The MK2 has a more energetic midrange while the Forsteni is more laid back while retaining airiness. Really loved it.
 
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nmatheis

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i already mentioned that i saw both graphs, asking for more detail? can forsteni keep up with micro details, soundstage etc.

I simply misunderstood what you were asking. Glad you asked the question,though. The Oriolus are two IEM I'm very interested in, as well!
 
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crinacle

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Just for fun, here's a comparison of our IT03 FR Curves using FFT Plot...

Yours:


Mine:

I wonder why our SPL levels are so different despite haven't similar overall values...
 
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nmatheis

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I wonder why our SPL levels are so different despite haven't similar overall values...
 
 
What kind of dB range are you getting? I'm usually measuring at ~90dB pink noise in AudioTools. 
 
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