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Thread: Room measurement tool
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April 3, 2021, 07:27 PM #1
Room measurement tool
So I don't have to search a hundred threads, can someone guide me to Mic/ measuring software to measure my room? Something I don't need an engineering degree to use? I researched it awhile ago and thought I remembered needed to spend around $300 for mic and software? .I see mics like Mini DSP are $109 and software free?
System #1................................................ System #2
ROON Nucleus + server ...............................SME 20/3A
MSB Premier DAC / V2 Renderer ...................SME V arm
VAC Signature MkII SE Preamp .....................Dynavector TE Kaitora Rua
MSB S202 Stereo Amp.......... Sutherland current gain phono stage, Phono loco
Wilson Audio Sasha II................................ Stenheim Alumime Three
REL G1 Mk II (pair) Subs............................ Bricasti M1 SE DAC
Transparent Audio Gen 5 Reference........... T+A PA3000HV Integrated
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April 3, 2021, 08:24 PM #2
- Join Date
- Apr 2013
- Posts
- 1,035
Re: Room measurement tool
Buy one of these and download Room Equalization Wizard from REW Forum for free.
https://www.amazon.com/miniDSP-UMIK-.../dp/B00N4Q25R8
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April 3, 2021, 09:41 PM #3Morgan
SPEAKERS KEF Blade 2 w/IsoAcoustics Gaia II | SUBWOOFERS Four DIY Speaker Hardware 12" passive subs driven by Dayton SA1000 amp | AMPLIFICATION Pass Labs X350.8, Cary SLP-05 w/Ultimate Upgrade | DIGITAL Marantz SA-10, Sonore opticalModule and opticalRendu, NUC8i7BEH Roon Core | VINYL EAT C-Sharp, Hana SL, EAT E-Glo S w/LPS, Bob's Devices Sky 20 SUT | POWER AudioQuest Niagara 5000, two dedicated circuits | WIRES AudioQuest William Tell, Earth, Leopard, Tornado | RESONANCE/ISOLATION Nordost Sort Kones, various Herbie's Audio Lab
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April 3, 2021, 11:42 PM #4
Re: Room measurement tool
+ another 1
4x20A circuits | Audioquest Niagara 3000 | Music PC w/JCAT Femto nic + 4 LPSUs, Roon, Tidal, Qobuz | Aqua Acoustic Quality LinQ Network Interface | Aqua Acoustic Quality Formula xHD Rev. 2 DAC | Purity Audio Silver Statement preamp | Audionet Max monoblock amps | Vivid Audio Giya G2 Series 2 | 4 JL Audio Fathoms | Echole / JPS Labs ICs, JPS Labs Aluminata SCs, Shunyata PCs | Stillpoints -> components, Isoacoustics -> speakers, subs | Custom Baltic birch rack + amp stands| Fully treated + dedicated 2 channel room
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April 5, 2021, 06:41 PM #5System #1................................................ System #2
ROON Nucleus + server ...............................SME 20/3A
MSB Premier DAC / V2 Renderer ...................SME V arm
VAC Signature MkII SE Preamp .....................Dynavector TE Kaitora Rua
MSB S202 Stereo Amp.......... Sutherland current gain phono stage, Phono loco
Wilson Audio Sasha II................................ Stenheim Alumime Three
REL G1 Mk II (pair) Subs............................ Bricasti M1 SE DAC
Transparent Audio Gen 5 Reference........... T+A PA3000HV Integrated
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April 6, 2021, 07:40 AM #6
Re: Room measurement tool
I've heard that this is the best combination, but could you tell those others thinking of going that route how complicated it is to take readings please?
For example I find Dirac Live a PIA. The mic needs to be faced upwards towards the ceiling so I need to remove light fittings around the measurement points, and there are at least 7 measurement locations required (each needing 3 sweeps) to obtain one result.
Does REW allow for a single measurement point (the listenng position) with the mic pointing towards the space between the speakers (single reading) and / or towards each speaker? Thanks. PeterSources - NAD M50.2 (streamer, CD player, CD ripper, hard drive music store)
Amplification - NAD M33, NAD M12, Consonance Cyber 845 monoblocs
Speakers - Avantgarde Duo XD, Avantgarde Duo (2006 - aesthetically modified), Martin Logan Expression 13A (now sold)
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April 6, 2021, 09:14 AM #7
- Join Date
- Nov 2014
- Posts
- 1,458
Re: Room measurement tool
It is not too complicated to take different measurements. However, like everything else, there is a learning curve.
The need for taking different measurements is not a requirement of REW, rather, it is done to get measurements at the listener position AND its surrounding area (typically about 1-2 feet around listening position).
The measurements can be taken with the microphone pointing toward the speaker or toward the ceiling. However, pointing toward the ceiling is recommended. The microphone is calibrated both ways (on-axis, and 90 degrees) and the corrective adjustment figures are provided for each.
There are companies that will use your measurements and will develop the filters for you. So all you have to do is get the measurements using whichever software you prefer and email the readings to them. Then they send you the files that you can use with, say, Roon or HQP.
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April 6, 2021, 09:35 AM #8
Re: Room measurement tool
Many thanks - very helpful.
Now you mention it, I do remember reading that this mic offers 2 correction curves so I'd probably use the forward facing option. I'm happy taking a small number of readings from around the listening position in order to stretch the very narrow sweet spot that my speakers are notorious for! In fact the lower frequencies of my Avantgarde Duo XD speakers can be manipulated by the dowloadable XD software and Avantgarde can help with correction settings if they see the measured curve. They don't provide a microphone with XD speakers, or the sort of "auto-adjust" that Dirac offers, but some distributors and dealers have measurement kits that may well be based on that mic and REW.
I've used Dirac Live and other DSPs but have never convinced myself that they actually improve the sound. They certainly flatten the curve but they seem to take away a little of the life and excitement from the music. I put this down to the extea signal processing that these DSPs impose on the entire frequency range despite (in Dirac case) adjusting only the sub-500Hz range. Since the XD processing is entirely done in the bass amplifier that's built into Avantgarde speakers, this slight deadening of the music shouldn't be present as the upper range is sent directly and without any filter from the power amp.Sources - NAD M50.2 (streamer, CD player, CD ripper, hard drive music store)
Amplification - NAD M33, NAD M12, Consonance Cyber 845 monoblocs
Speakers - Avantgarde Duo XD, Avantgarde Duo (2006 - aesthetically modified), Martin Logan Expression 13A (now sold)
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April 6, 2021, 11:03 AM #9
- Join Date
- Nov 2014
- Posts
- 1,458
Room measurement tool
In my experience, if done correctly, the cost benefit of applying DSP filters based on the speaker-room response, outweighs by far the benefits of playing around with cables. There is just no comparison. And you can actually ‘see’ (that is, the before and after graphs) and hear the results.
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April 6, 2021, 01:03 PM #10
Re: Room measurement tool
Bud
Lumin X1 file player
Sony XA-5400ES SACD
Pass XP-22 pre, X600.5 amps
Magico S5 MKII Mcast Rose speakers, SPOD spikes
Shunyata Triton v3/Typhon QR for source, Denali 2000 (2) for amps
Shunyata Sigma XLR analog ICs, Sigma speaker cables
Shunyata Sigma HC (2), Sigma Analog, Sigma Digital, Z Anaconda (3) power cables
Mapleshade Samson V.3 four shelf solid maple rack, Micropoint brass footers
Three 20 amp circuits.
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April 6, 2021, 01:24 PM #11
- Join Date
- Nov 2014
- Posts
- 1,458
Re: Room measurement tool
That is actually exactly my point. You can spend thousands of dollars on cables that you perceive (subjectively) to make all kind of difference in the sound. Or you buy inexpensive good quality cables and invest a modest amount on DSP and objectively see (graph) and hear the results.
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AudioShark forum is a leading forum site for High End Audio Discussion, Stereo System Discussion, Home Theater System Discussion, Best Home Stereo System Discussion, Home Theater Installation Discussion etc.
The AudioShark forum was created for sharing the passion of high-end Audio. We have Audiophiles from all over the world participating and sharing their knowledge. From novice to experts, you will find a friendly environment for discussing about High End Audio, Stereo System, Home Theater System, Home Stereo System, Home Theater Installation, Amplifiers, Speakers, Subwoofers, Integrated System, Acoustic treatments & Digital Room Corrections and many more.
At AudioShark, we also have incorporated an exciting Marketplace where members can peruse terrific buys on used gear, as well as meet dealers and discuss the purchase of new gear.
We are as crazy about this hobby as you are! So come on in and join us! Audioshark.org the Friendliest Audio Forum!
Industry Participation Disclosure : The owner and administrator of Audioshark is the owner of Suncoast Audio LLC in Sarasota Florida. Suncoast Audio has a full brick and mortar presence in Sarasota with several great show rooms with many world class brands. More information can be found at http://www.suncoastaudio.com
Audioshark is a community of like minded individuals. Audioshark welcomes participation from all manufacturers and owners of all brands and products. It is our belief that online forums provide a community of like minded audiophiles and music lovers to encourage the growth of this wonderful hobby.
Sincerely,
The Audioshark.org Team

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