# Chris, what's that scale you're playing?

**URL:** <https://forum.psaudio.com/t/chris-whats-that-scale-youre-playing/42891>\
**Category:** Loudspeakers\
**Created:** [October 10, 2025, 8:58pm UTC](https://forum.psaudio.com/t/chris-whats-that-scale-youre-playing/42891 "2025-10-10T20:58:15Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![todd-r](https://avatars.discourse-cdn.com/v4/letter/t/ee59a6/32.png) [@todd-r](https://forum.psaudio.com/u/todd-r)\
**Post date:** [October 10, 2025, 8:58pm UTC](https://forum.psaudio.com/t/chris-whats-that-scale-youre-playing/42891/1 "2025-10-10T20:58:15Z")

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On the Aspen loudspeaker set up disc, Track 4, Room Bass Response.

What’s that scale? I’m trying to identify the frequency/notes that boom in my room.

Thanks

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**Author:** ![Chris\_Brunhaver](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.psaudio.com/chris_brunhaver/32/64810_2.png) [@Chris\_Brunhaver](https://forum.psaudio.com/u/Chris_Brunhaver)\
**Post date:** [October 15, 2025, 7:13pm UTC](https://forum.psaudio.com/t/chris-whats-that-scale-youre-playing/42891/2 "2025-10-15T19:13:52Z")

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That’s a C major scale with C1 being the lowest note, though a double bass doesn’t acoustically support the fundamental much at ~32 Hz and it’s mostly the second or third harmonic.

If you want to objectively figure out the exact frequency, I would get a USB measurement mic for $75 (like the Minidsp or parts express dayton audio), and measure at and around your main listening position. It’s probably the highest bang-for-the-buck investment in the quality of your system as it will allow you to pinpoint the exact issues in the bass.

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**Author:** ![todd-r](https://avatars.discourse-cdn.com/v4/letter/t/ee59a6/32.png) [@todd-r](https://forum.psaudio.com/u/todd-r)\
**Post date:** [October 15, 2025, 7:21pm UTC](https://forum.psaudio.com/t/chris-whats-that-scale-youre-playing/42891/3 "2025-10-15T19:21:02Z")

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Thanks Chris,

I do have a mini DSP mic. I also have REW but have not really learned how to use it correctly…. I’ll work on it 😀

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**Author:** ![pmotz](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.psaudio.com/pmotz/32/269612_2.png) [@pmotz](https://forum.psaudio.com/u/pmotz)\
**Post date:** [October 15, 2025, 11:46pm UTC](https://forum.psaudio.com/t/chris-whats-that-scale-youre-playing/42891/4 "2025-10-15T23:46:10Z")

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The GIK Acoustics website has a video on setting up and measuring with REW to help you evaluate acoustics of a room. Of course it’s aimed at helping GIK evaluate your room so they can sell you the treatments. All free up to buying treatments. Here’s a [link](https://www.gikacoustics.com/room-eq-wizard-tutorial-2/). REW has much more capabilities but this will get your feet wet.

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**Author:** ![todd-r](https://avatars.discourse-cdn.com/v4/letter/t/ee59a6/32.png) [@todd-r](https://forum.psaudio.com/u/todd-r)\
**Post date:** [October 15, 2025, 11:52pm UTC](https://forum.psaudio.com/t/chris-whats-that-scale-youre-playing/42891/5 "2025-10-15T23:52:29Z")

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Great, thanks for the info.