PRODUCT SPECIFICATIONS

Free Air Resonance.

(FS)

30

Total Q of driver @ FS including all resistances.

(Qts)

.45

Q of driver @ FS including non electrical resistance only.

(Qms)

5.75

Q of driver @ FS including electrical resistance only.

(Qes)

.49

The driver's compliance expressed as an equivalent volume

 

 

of air (Cubic Ft.).

(Vas)

2.0

The driver's linear displacement (inches).

(Xmax)

.31

The DC resistance of the driver's voice coil (Ohms).

(Re)

3.2

Thermal power rating of driver (R.M.S./Peak).

(Pe) 400 / 800

The driver's voice coil inductance (millihenries).

(Le)

2.64

The driver’s sensitivity (dB).

(Sens)

89

CALCULATING ENCLOSURES

It is difficult to give exact box dimensions that are universal for all cars and trucks. It is for this reason that you must be able to calculate the space in which you have available in order to achieve the proper air volume required.

It is recommended to build your enclosure from 3/4" thick MDF (medium density fiberboard). Make sure the enclosure is sealed airtight.

Calculating External Volume

1.) To calculate box volume, measure the outside Width x Height x Depth of the enclosure. Example 12" x 14" x 9" = 1512".

2.) Next you must convert cubic inches into cubic feet. To do this, you must divide the cubic inch total by 1728". Example 1512 ÷ 1728 = .875 Cubic feet

Calculating Internal Volume

1.) To calculate the internal (net) volume of the above box you must first multiply the thickness of the wood you are using by Two (2). Example 3/4" x 2 = 1.5".

2.) Next subtract 1.5 from each of the outside measurements of the box.

Width

Height

Depth

12-1.5=10.5

14 -1.5 = 12.5

9 -1.5 = 7.5

3.) Multiply the new totals (H x W x D) Example: 10.5 x 12.5 x 7.5 = 984.375

4.) Next you must convert cubic inches into cubic feet. To do this, you must divide the cubic inch total by 1728" Example 984.375 ÷ 1728 = .5696 cubic feet.

QP124

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Quantum Audio QP124 installation instructions Product Specifications, Calculating Enclosures

QP124 specifications

Quantum Audio has made waves in the audio industry with the introduction of the QP124 subwoofer, a product that stands at the crossroads of innovation, performance, and design. The QP124 is designed to deliver deep, powerful bass response that audiophiles and casual listeners alike can appreciate. With its striking aesthetics and robust engineering, it aims to elevate the listening experience to new heights.

At the heart of the QP124 is its 12-inch high-excursion woofer. This driver is crafted from premium materials that enhance durability while ensuring exceptional sound output. The cone employs a high-efficiency design that allows for maximum air displacement, providing rich, deep bass that resonates through any room. The QP124 is capable of handling substantial power, with a peak power rating that ensures impressive performance without compromise.

The subwoofer features an advanced Class D amplifier designed to deliver clean, dynamic power to the woofer. This technology not only improves energy efficiency but also minimizes distortion, even at higher output levels. The amplifier is coupled with a built-in low-pass filter, allowing users to tailor the frequency response to suit their audio preferences and room acoustics.

One of the standout features of the QP124 is its adjustable bass boost. This means that users can enhance low-frequency output to better fit their listening environment or personal taste. With a dedicated phase control function, the subwoofer can be perfectly integrated into existing audio setups, ensuring seamless playback and an immersive listening experience.

In terms of connectivity, the QP124 offers versatility with multiple input options, including RCA and speaker-level inputs. This enables easy integration with various audio systems, whether they are traditional home theater setups or modern wireless configurations. The robust cabinet design further aids in reducing resonance and unwanted vibrations, resulting in cleaner sound reproduction.

In summary, the Quantum Audio QP124 subwoofer stands out in the market with its impressive technical specifications, user-friendly features, and stylish design. From its high-excursion 12-inch woofer to the efficient Class D amplification, every component is engineered for optimal performance. Whether for music enthusiasts, movie lovers, or avid gamers, the QP124 promises to deliver an unparalleled audio experience that will resonate for years to come. With its combination of power, versatility, and sleek aesthetics, this subwoofer is set to redefine the standards of low-frequency audio performance.