A very small room is challenging. But well designed speakers, optimal placement and effective treatment, it's certainly possible to achieve a very even response at least down to 80-100 Hz area. Below that, one either needs a lot of treatment, use subwoofer(s) or some EQ.
Post Your Frequency Response Curve!
- Thread starter Ron Resnick
- Start date
Looks awful but sounds good to me. The bass node is due to room size and there’s no way I can trap 28hz.easily.
You are lucky that your main peak is so low in frequency, most music won't go this low, so it won't have a lot of practical consequence. You are right it would be difficult to treat with traps or absorbtion, but EQ would handle it easily, but I assume you don't have that capability in your audio chain.
If you measure at the corners of your room and they also have 28Hz peaks, you could buy PSI AAVA C20 or C214 and place them at those corners to reduce the peaks by a bit but more importantly reduce the resonance at 28Hz by quite a bit more. It is likely the resonance is blurring all frequencies slightly in music that hits that note. You probably don’t even need to use REW to do a full measurement of the corners. Because you’re just trying to see whether the 28Hz is mostly coming from the corners, you can play pink noise and just have an iPhone app running AudioTools to see what the frequency response looks like at the corners.
Another option would be to replace the GIK corner traps with the Vicoustic Mega Bass Trap XXL. But these traps are really really huge. Hence PSI AAVA is more practical?
Build the Helmholtz resonator exactly to the dimensions. Place it at different positions in the room and then measure again
It will still have audible consequences as there's more information around 30Hz than one might think. Plus it's not just a peak, it will linger (RT60). I have a similar room mode, subs was the best way to manage it IME.
Acknowledged but it would be better if it was flattened out altogether. ;-)Sure, but it would be worse higher up.
It's like saying, I'd rather have 2 flat tires than 3, but either way, you're stuck. ;-)
I wouldn't say that's a great analogy.
That being said, I of course agree, and recommend having a system where everything can be flattened out, aka access to EQ in the entire bass area, typically high passing the mains. Alas, many is not interested in that approach, and would rather keep a pure system with full range mains and possibly a sub lurking in the last 0.5-1 octave at the very bottom.
I have a small dedicated listening room (13'x12'x8'). I have Raidho TD1.2 monitors and the Bass Array system. Before adding the Bass Array, with a huge assist from @J.R. Boisclair of Wally Tools, my room had a serious issue at 43Hz. After adding the array I get smooth, well textured and pitch defined bass. It's a miracle!
Nice. You may want to think about toeing the speaker out as your HF is about on par with your LF. This should yield a more balanced and less fatiguing sound.
Thanks, sbo6! I've tried my speakers in a multitude of positions from facing straight ahead to their current position aiming at my shoulders. This works the best for me SQ-wise as I get a very transparent, tonally rich sound without any frequency exaggeration or fatigue. Maybe the shape of my ear pinna compensates for what the room measurement reveals, ha!
Congratulations on this great progress!
Do you hear any edginess or brightness with what looks like a 5 to 7kHz peak?
Thanks, Ron! If I knew how complicated this process of getting power/room/system (not to mention costly) dialed in was going to be, well, too late
Truth be told it’s a source of great joy. To your question, there are a few tracks I play where a note or two in the higher register of the piano will bite but it’s very rare. I mostly listen at 70-80db, occasionally pushing a little above that threshold.
Truth be told it’s a source of great joy. To your question, there are a few tracks I play where a note or two in the higher register of the piano will bite but it’s very rare. I mostly listen at 70-80db, occasionally pushing a little above that threshold.
Last edited:
Draw a line from 100 Hz to 10 kHz. The shallow valley centered at 2kHz is very much intended. Closed box below 45 Hz, dipole above.
Similar threads
