High difficult system of front 5 -way + subwoofer [maniac car audio]

This series introduces various "maniac" approaches when trying to find high sound quality.This time, we will close up a shop demo car with a highly difficult system called "Front 5 Way + Subwoofer".

Presently put in high -end equipment and make a system makeup!

The demo car is "BMW X4" produced by "Sound Freaks", a power shop in Iwate Prefecture.This car uses a special speaker layout called “Front 5 Way + Subwoofer”.

Let's start with an overview.The system of our car is created with the following equipment.

The source unit is Sony's "DMP-Z1", the processor is "BRAX DSP" by Blacks, and the power amplifier is Eaton's "Core-A2" x 6 units.And what is the face of the speaker unit that makes up the "front 5 -way + subwoofer" ...

Super tweeter is "AMT21CM2.1-C", tweeter & midrange LO & Midwoofer "Master Stroke MSK", and midrange Hi, "ML-35MID".The subwoofer is a home audio brand, an audio technology 20cm model x 2 shots.It is such a team.

The installation position of these speaker units is as follows.The super tweeter is set in the back of the A pillar, the tweeter is attached to the back of the door mirror, and a midrange HI on the front side of the A pillar.The midrange LO is installed at the genuine speaker position at the top of the door, and the midwoofer is installed at the bottom of the door.

The subwoofer was embedded in the genuine subwoofer position under the seat and the subwoofer box produced in the FRP.In other words, all speakers are concentrated at the front.

Well, why was such a complex and gorgeous system established?Mr. Sato of "Sound Freaks" first told me for that reason.

"I want to use up the advanced latest processor's abilities."

The reason I decided to lay out such a speaker layout was "I wanted to use up all of the" BRAX DSP "abilities." This unit can control 12ch and the adjustment function is very detailed.It can be set. For example, the changing position can only be switched in the standard processor, but "BRAX DSP" can be set 360 degrees finely. In this way, we do many things that cannot be done anywhere else.I'm.

By the way, I was interested in multiwaying of the front 4 -way or more in the first place.Even in a time when only the front 3 -way could be controlled, I had a front 4 -way system using the original passive.

There are two main reasons for feeling the possibility of multi -way of more than 4 -way.One is "I don't want the midwoofers to take over a wide range of regeneration."Because in car audio, mid -woofers can be installed sideways.Moreover, the mounting position has to be low.I always felt that this could be a bottleneck when trying to pursue the ultimate Hi-Fi sound.

However, when the number of speaker units is increased, the sound of the bandwidth is also sounded with a speaker attached to a high position.And the range that can be heard directly can be expanded.As a result, the ambiguity of the mid -low sounds can be alleviated.

The second reason is "I want to reduce the burden on each speaker."As the number increases, the playback range of each speaker unit can be narrowed, which reduces the burden and clears the sound.Because the amount of information and resolution increases. "

There is no way not to try there as long as the new possibilities are shown ...

Next, I was told that it was difficult to execute the "front 5 -way + subwoofer".

"The difficulty of sound tuning has increased. However, the theme was to use detailed functions, so it didn't bother. Rather, I enjoy it. But it takes time.Certainly. The more you can do, the more items you need to try will increase.

In addition, a lot of necessary information and unnecessary information appeared, and I had a hard time to erase unnecessary information.Because there are many speakers, it is difficult to find where the bad elements come from.

And before the sound tuning, the difficulty of selecting the unit used increased.Because the manufacturer basically has up to 3 -way kit speakers, there is no format on what to use for the remaining two speakers.If you turn it over, you can use anything.But this was also a fun place.

In addition, this car combines a super tweeter and a midrange HI with a speaker other than a 3 -whacon ponent kit, but the Super Touter combines models of other brands, and the mid -range HI combines models of other series of the same brand.increase.I chose again.However, whether this combination is the best, it is also a part that we want to continue research.There is no complete answer, but I want to get there.

Regarding sound tuning, there are still some trial and error.Because we are stepping into the unknown area, there may still be other ways.

By the way, 4 -way and 5 -way costs cost.You will need a lot of CH of power amplifiers.In that sense, it is a high hurdle approach.However, I realize that the value of trying is great.I don't think there is a way not to try it because of new possibilities.I want to continue to deepen my research in the future. "

Whether multi -way of 4 -way or more will be the standard for the next -generation car audio ...If you are nearby, you will visit "Sound Freaks" to hear the sound of the demo car and experience the possibility.