AV processors and power amplifiers: overview, description, specifications and reviews

AV processors are devices that are designed to convert audio and video formats. Most often, the models are used for home theaters. They are also suitable for various players. The standard processor includes a tuner and a power amplifier.

The main parameters of processors include bandwidth and sensitivity. The tuners support a certain synchronization frequency. Depending on the type of chip is the maximum noise level. In order to understand the devices in more detail, it is important to consider specific models.

Review of Onkyo

AV-processors Onkyo are made with high-frequency tuners. In this case, the repeater is set to pulse type. In total, the model has four line outputs. For the video encoder there is a separate connector. According to buyers, the model is excellent for stereo Dolby Digital. The processor bandwidth is 6 Gbps.

All major compression formats the device supports. The power amplifier is used in this case with a protection system. Problems with automatic synchronization are rare in the device. Buy this processor the user can at a price of 120 thousand rubles.

Sony Reviews

Sony's AV processor in our time is very popular. First of all, it is important to note that the sound level is as much as 120 dB. The wave impedance of the model does not exceed 33 ohms. In total, the device has five coaxial outputs. A separate connector is provided to connect the video sensor. The minimum processor bandwidth is 5.6 Gbps. Problems with the sound heel of the model are rare.

However, it is important to note that the limit of the synchronization frequency limit is only 140 MHz. Mode "Side" in this case is not provided. The decoding speed depends on the load of the power amplifier. The tuner of the model is of the impulse type. All the compression formats of the tracks the model supports. If necessary, the user can change the synchronization parameters. When playing a video, problems do not occur often. Buy these AV-processors in the market can be priced from 210 thousand rubles.

Customer Reviews of ROTEL RSP-1570

The specified AV processor Rotel reviews from buyers basically gets good. First of all, the model is praised for a simple and intuitive menu. On the back panel of the device there are all necessary connectors for connection of the headset. There are six outlets. If necessary, the user can change the volume level. The limit of the synchronization frequency is 150 MHz. The minimum bandwidth of the processor does not exceed 5.5 Mbit per second.

For home theaters with Dolby Digital this model fits perfectly. The parameter of wave resistance does not exceed 35 ohms. It is also important to note the high sensitivity index. Problems with decoding are rare. The power amplifier in this case consumes a lot of electricity. The sound frequency of this processor is about 85 kHz. Mode "Side" model is provided. The user can buy a processor for about 170 thousand rubles.

Characteristics of ROTEL RSP-1560

These AV processors are made on the basis of a multichannel tuner. The capacity indicator is 3.5 Mbit per second. It is also important to note that the model is suitable for Dolby Digital systems. All major audio formats the device supports. If necessary, the user is able to adjust the sound. The model also has a "Side" mode.

The wave impedance is not more than 35 ohms. For home theaters the device is suitable. Of the disadvantages, it is important to mention the lack of a remote control. The connection cable is short. The model does not support all compression formats. This processor is sold at a price of 155 thousand rubles.

Review of Nad M15

AV processor Nad M15 is used for players of different capacities. In this case, the tuner is of the multi-channel type. The power amplifier consumes no more than 300 W on average. The processor bandwidth is 6 Mbps. If necessary, the repeater can be connected. Connectors for video encoders in the model are provided.

In total, the panel has six line outputs. The wave impedance index does not exceed 44 ohms. If necessary, the synchronization frequency can be changed. It is also important to note that the processor is able to work with multi-channel stereo systems. All major compression formats the processor supports. Buy this model user can price from 160 thousand rubles.

Opinion of Denon

These AV processors reviews are mostly positive. However, some complain about a weak power amplifier. The tuner is of the impulse type, and with the conductivity of the current it's all good. The limit sensitivity is about 3.2 mV. In this case, the synchronization frequency is easily adjustable. According to the buyers, problems with connecting the switch arise infrequently.

In total there are three coaxial outputs on the panel. Also there are connectors for video encoders. If necessary, the headset can be connected via a standard 3.5 mm jack. The "Side" system in the specified processor is not supported. The throughput of the device is 6 Mbps. To connect to the stereo, a 2.5 meter cable is used. The presented processor in stores for 215 thousand rubles.

Customer Reviews of Anthem AVM 30

AV processors and power amplifiers are in high demand. However, it is important to note that a model in a specialized store costs a lot. The limit sensitivity is 4 mV. The throughput of the modification ethic is 6.2 Mbit per second. With the transmission of a one-bit signal, the model copes quickly.

In this case, the rate of differential sending of files is very high. The wave resistance of the processor is 45 ohms. The "Side" system is supported by the specified device. If necessary, a video encoder can be connected via coaxial outputs. Repeaters are also provided with connectors. This processor is sold at a price of 230 thousand rubles.

Audiollab 8200

AV processor "Audioabl" 8200 is produced with a high-frequency tuner. The power amplifier in the device is manufactured with a separate protection system. The bandwidth of this processor does not exceed 6 Mbps. There are three line outputs on the panel. The user can adjust the volume level. The function of automatic synchronization in the device is provided.

The wave impedance is not more than 33 ohms. The rate of differential data transfer can be changed. According to buyers, the processor is very easy to configure. The threshold sensitivity of the device is 3 mV. The system "Dolby Digital" supports this model. In total, there are six coaxial outputs on the rear panel. The price for this processor fluctuates around 125 thousand rubles.

Pioner

This is an inexpensive and compact AV processor. If we consider the characteristics, it is important to note that the throughput is 6 Mbps. In this case, the power amplifier is of the operational type. The maximum frequency of synchronization of the processor does not exceed 145 MHz. Problems with level differences are infrequent.

Also, buyers note that the recognition of the switch is very fast. In total there are four coaxial outputs on the panel. To connect video encoders there are separate sockets. The power cable in the standard processor package is available at 2.3 meters. The model is sold at a price of 135 thousand rubles.

AVM 50

These AV processors are very popular nowadays. Many buyers praise them for their versatility. The power amplifier consumes an average of 23 watts. Also, the distinguishing feature of the processor is the high speed of differential data transmission. The wave impedance is not more than 35 ohms. In this case, the processor bandwidth is 4.6 Mbit per second. The threshold frequency parameter is at the level of 140 MHz. The price for this processor is not more than 215 thousand rubles.

Customer Reviews of Marantz

AV Marantz processors are in demand for various stereo systems. In this case, repeaters are allowed to connect. For a normal headset, line connectors are provided. In total, the device has five video encoder slots. You can adjust the frequency of the synchronization. According to buyers, the menu in the device is simple and straightforward. The volume can be adjusted quite simply. The controller breaks very rarely.

The tuner in the design is of the multi-channel type. The processor bandwidth does not exceed 6.2 Mbit per second. In this case, the threshold sensitivity of the modification is at the level of 3.2 mV. The limiting impedance is only 13 ohms.

All this indicates that problems with level differences are excluded. The Dolby Digital system supports this model. To protect coaxial connectors, special ferrite rings are provided . Buy this processor can be for 175 thousand rubles.