acoustology_1003 2 | Biblioteca audio auralex

absorbed, the cancellations and build-ups in other parts of the room are smoothed out. The end result is a

is a key area to treat due to pshychoacoustic phenomena that I might go into in a future installment.

The above both lend themselves to getting the most "bang for your buck." Obviously, should you be advantageous

of loudspeakers usually have a good response down into the LENRD range, but typically do not have much

c. Recording of amplifiers -- while the devices can produce frequencies below 80 Hz -- are usually close-

best approach for getting good recordings between 40 and 80 Hz.

2. Working down or slightly past ear level keeps treatment in the lateral listening plane. This listening plane

wherever I can fit them. This gets me great control down to around 80 Hz or so. Only my most critical recording

"I'm your Venus..."

To end, I will elaborate a little on this whole "75 or 80 Hz" thing. The size, shape and foam composition of

Next month:

spread around in wall/wall and wall/ceiling corners in my 11'x10'x8' room. I basically have them placed

b. Recording of most acoustic instruments and vocals will not require treatment below about 80 Hz or so.

ceiling and working down to or slightly past ear level. Why? Because:

So where should you put them? Well, we have often said that no amount of "bass trapping" can be considered

or mixing requires any additional low frequency help.

cabinet or amp and associated microphone around different parts of the room to get the best recorded

smoother, flatter, truer bass response at the mixing, listening, or microphone position(s).

1. The largest low frequency problems will occur in the top corners of the room where there is (usually)

a. Listening or mixing is performed on a decent set of "bookshelf" size reference loudspeakers. These types

miked. This means that -- on a budget -- you should be able to experiment with the placement of the

But where should you start if you're short on cash? Well, we normally suggest starting in wall/wall corners at the

enough to "trap" each and every corner, by all means! But most of us do not. Personally, I have eight bass traps

produce the best possible low frequency response in the room down to roughly 75 Hz.

"too much." If you were to "trap" each and every corner in the room with LENRDs, you would only be treating

nothing to otherwise break up the sound -- like couches, equipment, etc.

roughly 15% to 20% of the room. This is actually our minimum coverage for most small rooms. This also would

low frequency content. Unless you have plans (and money) for larger low frequency devices, this is still the

LENRDs allow it to work well down to this "cutoff." This is appropriate for most applications where:

to offer any lower than that.