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  1. REW Forum
    Hi Everyone, Im new here and could really use your help. I am using the new version of REW 5.19 beta 8 and I am a mac user. I just purchased a Focusrite 2i2 USB and I want to make sure I am doing the REW sound card loopback calibration correctly. I was expecting flat response out to 20k the low...
  2. REW Forum
    I noticed something very odd. When I do a measurement of both my speakers at once, I noticed the measurements from 6khz and up is wildly inconsistent. Sometimes the measurement for both speakers will be lower than the measurement for the individual speakers! Other times it will look the way I...
  3. REW Forum
    Three years ago when I did REW measurement it had a relatively flat response. Two weeks ago, I decided to to take my current measurement and was shocked with the outcome. The only changes I did were adding diffusers to address the dull sound and change of speakers. However, despite the latest...
  4. REW Forum
    An old friend came by who used to be in the studio room treatment business. He tells me I should not be using frequency sweeps in REW because steady state tones do not give a good representation of real music (which of course is not steady state). He said I should use the Music Articulation Test...
  5. REW Forum
    Hello, Well, I made it through the intimidating signup process. :sweat: I just started using REW 5.13 today and it's been good fun, but I did find a problem. I didn't simply use the default settings for the frequency scan, I had to crank it up to the max samples and multiple scans to see if...
  6. Ported Subwoofer Build Projects
    I have 4 of the SI HT 18, doing 4 single boxes and now the box vol is around 6 cuft, I can go bigger in vol if needed, box designer is saying at 6 cu ft 20hz tune is best...I was wanting a lil lower tune ( like 16 HZ) , he says its not safe? I see plenty of guys doing tunes this low , what...
  7. REW Forum
    hello, i am new to room eq wizard, i am trying to create a set of eq filter for my graph, you can see the settings i use in the picture, no matter what target level i select, it seems it ignore that big dip at 1.5K why is this happening (i deliberately pushed max frequency boost to the max, also...
  8. REW Forum
    Can A impedance sweep be done with REW to verify tuning Freq? If not i heard about a way with a resistance , multimeter and tone generator ? Anybody know excactly how this is done ?
  9. SPL Meters | Mic's | Calibration | Sound Cards
    Hi Im new to REW and i have just bought a Galaxy CM-140 spl meter and a Beringer UCA202. I think i have everything hooked up ok but when i run a test tone i get a weird curve on the low end. Am i doing something stupid? Thanks Ken
  10. Home Theater Receivers | Processors | Amps
    Would someone help me get the Best Subwoofer Performance? Not positioning just adjustment. This is an Ohm Acoustics Corp. subwoofer Ohm.s SBM-2 The rear of the subwoofer reads 120 VAC, 210 Watts, 60 HZ. The powered subwoofer is connected to 2 floor standing 6 ohms speakers and to my Onkyo NR509...
  11. DIY Subwoofers - General Discussion
    What does the driver's frequency range specification really mean? Is there a 'formal' definition that explains it or maybe a standardize testing procedure for determining this spec? If I should selected a driver with a frequency range of 23-1500Hz what do those limits tell me about the...
  12. REW Forum
    I just bought some KRK Rokit 5 monitors to replace Cambridge SOundworks I had for 10 years (just low end PC speakers). got the KRKs in, installed and they have (by comparison) more mids, less highs and a bit more lows. I turned the high knob on back up to +1 db and the vol knob on back down by...
  13. Home Audio Acoustics
    Hi guys, I'm very close to starting the construction of the stud walls which will split my l-shaped room in half to make a cinema and a bedroom/study. The house is concrete floor, brick/plaster walls and is very solid and quiet. What I'd like to know is the best way to isolate low frequency...
  14. DIY Speakers
    Does anyone know how I can obtain the correct x-over frequency for paradigms 5" woofers and definitive technologies 4" 4aa3 woofers ?
  15. DIY Subwoofers - General Discussion
    This is from a sub enclosure builder ,designer (PWK Desings) talking about Tuning Frequency of a bass reflex enclosure.
  16. Ported Subwoofer Build Projects
    I would like to build a narrow low frequency bandpass enclosure. I was thinking of using multiple small drivers to get the volume of air movement. The frequency range I would like to cover is from 20hz to no more than 60hz, 50hz would be ok. To get the frontal area that I am looking for the...
  17. DIY Subwoofers - General Discussion
    I am new to the Diy game and am looking for suggestions on building a good ported sub to be used in my hometheater. I am sort of handy with tools and feel pretty confident in my skills. I do not have any experience with design software and honestly don't know where to start in terms of learning...
  18. REW Forum
    Hello everyone, I hope you can help me. It would be much appreciated! Here is the problem: when measuring my subwoofer-response the REW graph starts to roll drastically at around 80 hz, even though the cross-over on the sub is set to max and the bass management software of my soundcard is set...
  19. REW Forum
    I am trying to set up REW and am having a problem with my freq response beginning to fall off at about 1k. By the time it gets to 10K it's already 20+ dBs down. I'm not sure what I may have done wrong, playing an external pink noise CD as opposed to the REW pink noise yields the same result...
  20. REW Forum
    Hi, Is it possible to use REW for configuring the equaliser for the full range(50-10000hz) the purpose is to make a speaker cabinet flat. Is the radioshack analog meter appropriate for this or only for the subwoofer Lars
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