Presented in a rather large assortment. This equipment differs from each other by the scope of application (instrumental, concert, studio and others), according to technical characteristics, body shape and many other qualities.
The most important parameter that must be considered primarily is the number of "strips" in the system. According to this criterion, one-, three- and two-band acoustics are distinguished. What they differ from each other and which system is better, we will try to answer this article.
Sound frequency
Human hearing organs are able to recognize from 20 to 20,000 Hz.
Therefore, the quality of music directly depends on the ability of the equipment to create clear sound waves in this range. For this purpose, the corresponding speakers reproduce the exclusively low (20-150 Hz), medium (100-7000 Hz) and high (5-20 thousand Hz) frequency (5-20 thousand Hz). In this regard, appeared:
- Single-band systems, where the entire frequency range creates one speaker.
- Two-band acoustics, which possesses two speakers: one to play music on medium and low frequencies, the second is only on high.
- Three-strip equipment - a separate "column" is responsible for playing sounds in each range.
There are equipment with a large number of bands, where each speaker reproduces the sound in a certain greatest popularity with two- and three-track systems - they are most affordable and ensured. great quality Sound.
Advantages of two-band acoustics
Two-band acustic systems Enjoy the greatest popularity among motorists.
They provide optimal sound quality, and possess affordable price. Due to the development of two-way technologies, it is displaced by three-wire equipment, but it is still common because of its advantages:
- Simple design, which simplifies the installation and configuration.
- High degree of consistency between the speakers, thereby increasing the sound quality.
- The most natural, "living" sound.
In two-way equipment there are only two dynamics - LF and HF. The LF column reproduces the sounds in low and medium ranges, and the RF is only high. Thanks to this, simple separation filters are needed to work the system.
Features of three-wire equipment
Three-strip acoustics differs from the already described system with the best sound. Equipment in such systems is completed by the total speaker, which carries the so-called "spatial" information, creates a surround sound. In addition, thanks to the separation of responsibilities, the equipment has become compact.
The negative quality of three-track systems is a high price. It is two or three times higher than that of two-band acoustics. Moreover, three-band acoustics implies the setting of crossovers - complex frequency filters. To configure such equipment, you must have excellent hearing, otherwise it will not work consistency from the speakers.
Differences of acoustic systems
Any acoustic system consists of speakers (sch, LF and HF), filtering equipment, signal amplifiers, audio cables and input terminals. Filtering devices are responsible for separation sound signal For several ranges. Two-band acoustics filter breaks the frequencies into two "plots" - up to 5-6 thousand Hz, and above 6 kHz. Three-band devices, as a rule, are equipped with crossovers - adjustable frequency filters that break the sound range into three sections.
All acoustic equipment can be active either passive. In the first case, each speaker is equipped with a separate signal amplifier. Such a decision facilitates the coordination of emitters, reduces the total cost of the system. However, at the same time, the complexity of the service, installation and primary setting increases. Separate amplifiers are most often complemented by a set of three-track devices.
Coaxial and component speakers
The way to sound three- or binary largely depends on the type of speakers that are coaxial and component. The first is a single monolithic structure, which combines high, medium and low frequency emitters. This solution makes the sound narrowly controlled. Therefore, such devices are used as a supplement and mainly in small cars.
Component speakers are emitters that can be placed in different places. Due to this, it is possible to achieve surround sound, however, the process of installing the equipment is complicated. In addition, with incorrect installation, the sound scene will be very heterogeneous. Install in cars with spacious interior.
Question price
As noted earlier, two-band acoustics will cost much cheaper than the installation of three-wire equipment. This is explained by two reasons:
- fewer equipment - only two speakers are required, maximum two amplifiers and one filter;
- simple installation - you can assemble such a system yourself, possessing elementary knowledge in the field of electricity.
The composition of three-band systems includes more complex equipment, the cost of which significantly exceeds the price of ordinary devices. In addition, if you decide to establish such acoustics, you will have to seek the help of professionals - without special measuring devices and fine hearing the mounted system will sound the same as two-band acoustics. This is the main answer to the question of what the double-band acoustics differs from the three-wire.
Terms of delivery
Option 1: Pickup from the store in Moscow
You can pick up your order in our store in Moscow (). Please note that the store constantly contains not the entire range of goods, and to prepare your order for extradition may take some time after its design. Therefore, before a visit, be sure to wait for an SMS notice about the readiness of the order or call us to be sure that your order has already arrived from the warehouse and is waiting for you.
Cost of delivery: 0 rub.
Option 2: Courier delivery in Moscow within Moscow Ring Road
Our courier will bring you an order at the specified time at the address you need in Moscow within the Moscow Ring Road.
Orders with shared weight up to 10 kg are delivered to the apartment / office.
Delivery of oversized goods (total more than 10kg) is made before the entrance.
It is possible to rise to the door for an additional fee.
Lifting each place from 10kg to 30kg:
- On the elevator - 300r. For each place more than 10kg, regardless of the floor (the goods in dimensions should be held in the elevator)
- But the stairs - 300r. for each floor (including the first) for each place
- Lifting of goods more than 30 kg is coordinated separately.
Shipping cost depends on the amount of the order:
Option 3: Courier delivery CDEK to any city of Russia
We deliver orders by the CDEK Express Delivery Service. The courier will bring your order to the address you specified. in any city of Russia. If for any reason you are more convenient to work with another delivery service (SPSP Express, Pony Express, etc.), agree this method of delivery with us. We will try to deliver your order to the most convenient way for you.
The minimum cost is indicated courier delivery in Russia.
The final cost of delivery depends on weight, volume, city, as well as urgency of delivery, online calculator (tariffs "Warehouse-door"). The exact cost and delivery time will tell you our manager when confirming the order.
Cost of delivery: 500 rub.
Option 4: Pickup from the point of issuing orders (PVZ) CDEK in one of the 316 cities of Russia
We will promptly deliver your order to PVZ in your city, and you can pick it up at any time convenient for you. The current list of addresses of orders issuing addresses is always available on the CDEK Delivery Service website.
The minimum cost of self-leveling from PVZ is indicated.
The total cost of self-leveling from PVZ depends on weight, volume, city, as well as delivery urgency, so she may differ from the minimum. You can independently evaluate the shipping cost through an online calculator (tariffs "warehouse-warehouse"). The exact cost of self-leveling from PVZ will tell you our manager when confirming the order.
Cost of delivery: 400 rubles.
Option 5: to the terminal transport company in Moscow
We deliver orders by transport company (TC) "Business lines". If for any reason it is more convenient for you to work on another TC (PEC, Zheldexpedition, Baikal service, Kit, etc.), agree this way of delivery with us. We will try to deliver your order to the most convenient way for you.
The cost of delivery to the TC terminal in Moscow is indicated. The order can be obtained in the TC terminal in your city. Upon receipt, it will be necessary to pay the cost of services of the transport company itself on its tariffs. The cost of Delivery TK depends on weight, volume and city. You can independently evaluate the shipping cost through an online calculator.
The shipping cost depends on the amount of the order.
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2nd strip acoustics in auto
Acoustic two-band system has long been extremely popular with motorists who value a good sound. Today, a clear competitor of this acoustics is three-way, but supporters of the former system are still respected and are not going to change it.
What a two-band speaker system is better and why they love it so, learn from this article, where to all of the time, the instruction on the rapid installation in the car will be given.
Advantages of two-band acoustics
As you know, all types of strip acoustics are divided into special classes. In this case, we are talking about component and.
Coaxial acoustics
- It implies the presence of two heads installed in the dynamics housing. Benefits - low cost and simplicity of installation.
Component acoustics
- Two speakers are combined into one holistic system, reproducing low and high frequencies. The cost of such a system is significantly higher, which is quite explained.
Front and rear acoustics
In the car, as you know, it is still customary to put speakers depending on the direction of sound.
- - This is, in principle, installing in regular locations of speakers, that is, in front doors. All would not have any problems, if regular places were made in accordance with high-quality speakers.
But the fact is that in almost any car, these very places intended by the manufacturer for setting the speakers are very small and are designed for small-sized dynamics. - Front acoustics takes over the most important feature - Creating the correct sound scene in the car. At the same time, its installation implies the use of special linings on the door, followed by a solid fastening of speakers.
- Front acoustics usually implies the setting of speakers to the top parts of the front doors.
- To achieve a better sound effect, 2-band acoustics should be mounted so that its elements are as close as possible to each other. It is understood as the installation of the LF Dynamics at the door, and the RF speaker on the rack or the instrument of the car panel.
Advantages of front acoustics:
- Installation will pass quickly and easily.
- In the case of a 2-band system, there will be almost no difficulties when installing will not be.
- On the other hand, the installation in the door implies the absence of a case at the dynamics, which can adversely affect the sound quality. In this regard, various and original, which enhance the sound effect of speakers come up with the craftsmen.
As mentioned above, the main thing in the car is rear acoustics. As for this system, it will perform the role of an additional sound effect.
So:
- The use of rear acoustics is justified, because the speakers in this case improve the overall background sound, making the picture of the sound much deeper.
- The 2-band acoustics better sounds, of course, in front, but also behind in the trunk or on an acoustic shelf, its average frequencies will sound good.
- The installation of the rear speakers also implies the manufacture of a special acoustic shelf, which contributes to the best sound of the speakers.
Installation of 2-strip acoustics
So, as it became clear, the complete installation of a 2-band acoustics in the car implies the use of it and both in front and behind.
Front doors:
Note. To install in front doors, it is desirable to use speakers for 16 cm.
- We purchase or make independently podiums for speakers.
Note. It is worth noting that the podiums themselves are unlikely to provide strength speakers. Therefore, the board is made separately for the podiums or special lining from chipboard or plywood is installed under them.
- We are refining the doors, increasing the size of the installation of 16 cm speakers. Also at this stage there is a robust support that must be fastened to the metal part of the door.
- Create an acoustic volume by stuck with a painted tape door holes. On top of the scotch, we glue with fiberglass cloth, which, in turn, is impregnated with epoxy glue.
- If the podiums are made independently, it will be necessary to first cut the rings from the plywood with 4 ears. These most ears will be needed to mount the podium on the door.
Then we make 2 intermediate rings for each podium and collect everything together using also spacers. - Podiums firmly screw to the door.
- The door is covered with vibroplast.
Note. The crossover can be installed next to the door handle, because in this place it will be quite free to be (depending on the car model).
The instruction shown above will help not make errors when choosing and installing this acoustics with your own hands. In the installation process, it is recommended to explore photos and video materials.
As you know, the price of installation of audio systems in the car from professionals is always high, so there is a reason to learn how to do everything yourself.
Characteristics of presonus ult12
Features
- Professional active two-band acoustic system for permanent and temporary installations
- Double amplification scheme (BI-AMP), class D amplifiers
- HF speaker 12 "ferrite, HF speaker 1.75" with a compression driver
- Dispersion - 110x50 degrees, swivel gun
- Built-in mixer
- Xmax microphone preamplifiers
- Power - 1300 (1000 + 300) WW pek, 650 (500 + 150) WW continuous
- Maximum sound pressure - 135 dB
- Built in DSP 24 bits / 96 kHz, presets
- Filter high frequency 100 Hz with fourth-order filters of Linkvitz-Riley
- 2 combined inputs XLR / TRS + 2 outputs on XLR, including through
- Use as a stage monitor
- Points of suspension M10.
- Built-in standard mounting glass 35 mm
- Cabinet of birch plywood 15 mm, steel grille
| A type | Two-band concert AC. |
| Category | Active |
| Power | 1300 (1000 + 300) TW Peak, 650 (500 + 150) TW continuous |
| Amplifiers | Class D. |
| frequency range | 50 Hz - 20 kHz (-10 dB), 55 Hz - 18 kHz (- 3 dB) |
| Frequency crossover | 1.6 kHz |
| HF speaker | 12 "(sound coil 2.5") |
| HF speaker | 1.75 ", compression driver |
| Maximum sound pressure level | 135 dB. |
| Dispersion | 110x50 degrees |
| DSP. | 24 bits / 96 kHz, presets |
| HF filter | 100 Hz, with fourth-order filters Linkvitz-Riley |
| Connectors | 2 x Combo xlr / TRS 1/4 "Jack Input, 1 x XLR-M MIX OUT, 1 x XLR-M Direct Out |
| Cabinet material | Birch plywood, 15 mm |
| Lattice | Steel, 1.2 mm |
| Installation | Glass 35 mm, 12 points M10 |
| Gabarits. | 641 x 356 x 353 mm |
| The weight | 23.6 kg |
| Colour | the black |
PRESONUS ULT12 is an active two-band compact and light up Pressonus ULT series loudspeaker, designed for permanent and mobile installations. The speakers of this series provide excellent speech transmission and natural music reproduction. Also, they are characterized by a double gain (BI-AMP) scheme, at which the signals on the lower and on all other frequency ranges are separately enhanced, and even junior models. Class D amplifiers give a total dynamic power up to 650 W RMS and 1300 W - peak. The maximum sound pressure is 135 dB at a frequency range from 50 Hz to 20 kHz, and you can hear many nuances, especially when adding to the subwoofer system.
One of the main features of Presonus Ult12 is the branded swivel waveguide Pivot X110. It combines an ultra-wide horizontal coverage of 110 degrees and a focused vertical dispersion of 50 degrees, and the root can be rotated for installation in a horizontal configuration. The result is a loudspeaker, which can fill the room with excellent sound without early reflections with dispersion of 110x50 degrees. Moreover, big size Horn allows him to control greater than in conventional small hoppers, a picture of the dispersion in the lower frequency range. Rotary waveguide can also help to correct problems with audio systems in high and narrow places: Therefore, it is equally well suited for normal use and as a monitor. The sound is obtained more unfolded, and this ensures that the listeners on the sides have the same listening experience as in front. The result is the filling out all the placement of the sound playback pattern, providing a uniform optimal sound level.
The PRESONUS ULT12 office hosts a class D-driven-voltage-driven 12 "with a continuous power of 500 watts RMS and a RF driver 1" with a power of 150 watts RMS. The control panel offers two combined XLR / TRS inputs, thanks to which you can use a loudspeaker with various sources. Each input is a microphone Xmax preamp, as well as independent adjustments. These signals can be combined with an internal loudspeaker mixer, and the second balanced output of the XLR Mix OUT allows you to transmit signals to other ULT series.
PRESONUS ULT12 Cabinet has a wear-resistant polyurethane coating Chemline, ergonomic carrying handles and 12 suspension points M10. It can be set in several ways, giving greater flexibility in accommodation: you can, for example, install a loudspeaker on a tripod or a barbell above the subwoofer, and thanks to the side of the side it is easy to transport it. Therefore, the AC ULT12 is an excellent solution for both permanent and temporary installations.
