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Comparison Harman Kardon Surround vs Yamaha YHT-1840

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Harman Kardon Surround
Yamaha YHT-1840
Harman Kardon SurroundYamaha YHT-1840
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Main
Chromecast support.
Acoustic system
Acoustics
5.1
shelf
5.1
shelf
Front (RMS)50 W/channel30 W/channel
Rear (RMS)30 W/channel
Centre (RMS)50 W/channel30 W/channel
Subwoofer (RMS)120 W/channel30 W/channel
Total power (RMS)370 W180 W
Frequency range20 – 20000 Hz30 – 25000 Hz
Sensitivity80 dB83 dB
Impedance6 Ohm
Wireless connection
Bass reflex
Active subwoofer
Amplifier
Number of channels5.1
Front70 W/channel
Rear70 W/channel
Centre70 W/channel
Receiver
3D
Parental control
Multimedia
 
Bluetooth
Wi-Fi
FM tuner
 
 
Other file formats
 
 
MP3/WMA
JPEG
Audio decoders
DTS
Dolby Digital
 
 
 
DTS
Dolby Digital
Dolby Digital Plus
Dolby Pro Logic II
Dolby TrueHD
Connection
Outputs
 
 
Dolby Digital 5.1
headphone output
HDMI1 pc1 pc
Inputs
 
linear
optical
LAN (RJ45)
coaxial /2/
linear /two pairs/
optical
 
HDMI4 pcs4 pcs
General
Remote control
Magnetic shielding
Satellite body materialplasticplastic
Subwoofer body materialplastic/MDFwood
Player dimensions (WxHxD)305x60x155 mm435x151x315 mm
Front speaker dimensions (HxWxD)274x105x86 cm17.6x11.2x11.6 cm
Rear speaker dimensions (HxWxD)17.6x11.2x11.6 cm
Centre channel dimensions (HxWxD)365x73x106 cm11.1x27.6x11.8 cm
Subwoofer dimensions (HxWxD)496x122x397 cm29.2x29x31.5 cm
Color
Added to E-Catalogfebruary 2020october 2017

Front (RMS)

Rated output of one front channel of a home theater system. This paragraph indicates the power of the complete front speaker, however, it can also be used to determine the characteristics of the built-in amplifier — its rated power on a particular channel (not necessarily the front one), usually, slightly exceeds the power of the corresponding speaker.

Rated power in this case is the highest average (root mean square, RMS) sound power that the speaker is capable of delivering for an unlimited time, working without failures and overloads. Individual signal jumps can be stronger, but the power of acoustics is determined precisely by RMS.

The higher this indicator(regardless of whether we are talking about front or some other speakers) — the louder the speakers, the better they are suitable for large rooms. At the same time, in a small room, too high power may be unnecessary, because. operating the speaker at full volume will cause discomfort — despite the fact that powerful acoustics also have the appropriate dimensions, weight and price. More detailed recommendations on the optimal power of the speaker components, depending on the characteristics of the situation, can be found in special sources.

Rear (RMS)

Rated output of one home theater rear channel. For more information about the meaning of this parameter, see "Front" above.

Centre (RMS)

Rated power of one centre channel of a home theater. For more information about the meaning of this parameter, see "Front" above.

Subwoofer (RMS)

Rated power of the subwoofer supplied with the home theater. See "Front" above for details on power rating; here we note that subwoofers often have a fairly high power, because. they are designed to cover low frequencies in all audio channels.

Total power (RMS)

The total power rating of all home theater speakers, including subwoofers. The value of the rated power is described in detail in paragraph "Front" above.

Frequency range

The range of audio frequencies reproduced by a home theater speaker system. The wider the range — the richer the sound, the less likely it is that the acoustics will “cut off” part of the low or high frequencies. When evaluating this indicator, one should proceed from the fact that the range perceived by the average human ear is from 16 Hz to 20 kHz. However, modern home cinemas for the most part cover this range completely or almost completely.

Sensitivity

The sensitivity value determines the volume of the speaker system when an external signal of a certain power is applied to it. With the same signal strength and resistance (impedance), more sensitive acoustics provide greater volume.

Impedance

Home theater speaker system AC impedance. Impedance matters when connected to an amplifier: if the impedance of the speaker system is less than that of the amplifier, distortion in sound is possible, if it is higher, the acoustics may sound quieter than we would like. Naturally, in the original home theater sets, the speakers and amplifier are selected with the optimal impedance ratio, so in fact you only have to pay attention to this parameter when you need to connect acoustics to a “non-native” amplifier.

Wireless connection

The ability to connect speakers to the base via a wireless interface — most often a radio. The main advantage of this connection is the absence of connecting wires, which significantly limit the movement of the speakers and can interfere, getting confused with each other and with other wires. The disadvantages of wireless speakers are often lower sound quality than wired counterparts, as well as high cost.
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