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Comparison TAGA Harmony TA-600MULTI vs Yamaha A-S201

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TAGA Harmony TA-600MULTI
Yamaha A-S201
TAGA Harmony TA-600MULTIYamaha A-S201
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Main
Built-in player with USB type A
ByPass Direct mode. 4 pairs of acoustic plugs. Recorder. Customizable standby.
Device typeintegrated amplifierintegrated amplifier
Element basetransistortransistor
Amplifier parameters
Number of channels82
Frequency range
20 – 20000 Hz /± 3 дБ/
20 – 20000 Hz /±0.5 дБ/
Power per channel (8Ω)16 W125 W
Power per channel (6Ω)150 W
Power per channel (4Ω)18 W165 W
Power per channel (2Ω)180 W
Signal to noise ratio75 dB100 dB
Signal to noise ratio (Phono MM/MC)75 dB
Harmonic distortion1 %0.2 %
Channel sensitivity / impedance
Line input
 
 
500 mV
47 kOhm
Phono MM/MC
 
 
10 mV
47 kOhm
REC output
 
 
500 mV
2.2 kOhm
Connectors
Inputs
 
Phono
RCA1 pairs4 pairs
For acoustics8 шт4 шт
REC (to recorder)1 pairs
Front panel
 
audio input jack /Jack + mini-Jack/
 
display
 
headphone output
Features
Adjustments
bass control
treble adjustment
 
input sensitivity adjustment
level adjustment
bass control
treble adjustment
balance adjustment
 
level adjustment
More features
 
 
 
 
 
By-pass/Direct
auto power off
ММ phono stage
additional speaker connect
Bi-Wiring
General
Remote control
PSUinternalinternal
Power consumption175 W
Dimensions (WxDxH)430х310х107 mm435х333х141 mm
Weight6.6 kg6.7 kg
Color
Added to E-Catalogmarch 2018january 2014

Number of channels

The maximum number of channels the amplifier can handle. The choice for this parameter depends primarily on the intended format of using the device.

Most modern amplifiers have two channels for normal stereo sound, which is enough for listening to music or radio programs. There are also models designed for multi-channel "surround" sound, but they are much less common. This is due to the fact that such sound is most often used as an accompaniment to high-quality video — and therefore a home theater receiver is usually used for processing, rather than a separate audio amplifier.

Among the top-class models, there may be single-channel amplifiers — they provide maximum opportunities for fine-tuning the sound, but you have to purchase several such devices, one per channel. Another specific variety is amplifiers designed to add a certain number of channels to those already available; the most popular of these options is 3-channel, capable of turning an existing stereo system into a multi-channel one.

Power per channel (8Ω)

The nominal sound power output by the amplifier per channel when operating with a load having a dynamic resistance (impedance) of 8 ohms. In our catalog, this parameter is indicated for the mode when all channels of the amplifier work under load (see "Number of channels"); in the presence of unused channels, the rated power may be slightly higher, but this mode cannot be called standard.

Rated power can be simply described as the highest output signal power at which the amplifier is able to work stably for a long time (at least an hour) without negative consequences. These are average figures, because in fact, the audio signal is by definition unstable, and individual level jumps can significantly exceed the rated power. However, it is she who is the main basis for assessing the overall loudness of the sound.

This indicator also determines which speakers can be connected to the amplifier: their rated power should not be lower than that of the amplifier.

According to the laws of electrodynamics, with different dynamic load resistance, the output power of the amplifier will also be different. In modern speakers, the standard values \u200b\u200bare 8, 6, 4 and 2 Ohms, and power levels are indicated for them.

Power per channel (6Ω)

The nominal sound power output by the amplifier per channel when a load with a dynamic resistance (impedance) of 6 ohms is connected to it. See Power per Channel (8Ω) for more information on power rating and its relationship to impedance.

Power per channel (4Ω)

The nominal sound power output by the amplifier per channel when a load with a dynamic resistance (impedance) of 4 ohms is connected to it. See Power per Channel (8Ω) for more information on power rating and its relationship to impedance.

Power per channel (2Ω)

The nominal sound power output by the amplifier per channel when a load with a dynamic resistance (impedance) of 2 ohms is connected to it. See Power per Channel (8Ω) for more information on power rating and its relationship to impedance.

Signal to noise ratio

In itself, the signal-to-noise ratio is the ratio of the level of pure sound produced by the amplifier to the level of extraneous noise that occurs during its operation. This parameter is the main indicator of the overall sound quality — and very clear, because. its measurement takes into account almost all the noise that affects the sound in normal operating conditions. A level of 70 – 80 dB in modern amplifiers can be considered acceptable, 80 – 90 dB is not bad, and for advanced audiophile-class devices, a signal-to-noise ratio of at least 100 dB is considered mandatory.

If the specifications do not specify for which output the signal-to-noise ratio is indicated, it usually means its value for the linear input (see "RCA (par)"). This is quite enough to evaluate the quality of the device for this parameter. However, some manufacturers indicate it for other inputs — Main, Phono; see below for more on this.

Signal to noise ratio (Phono MM/MC)

signal-to-noise ratio when the amplifier is driven through the Phono input. This interface is for connecting turntables; its features are described in the “Inputs” section below, and for the meaning of any signal-to-noise ratio, see the corresponding section above.

Harmonic distortion

This indicator describes the amount of non-linear distortion introduced by the amplifier into the processed signal. Such distortions are not necessarily perceived as extraneous noise, but they degrade the quality of the sound anyway — for example, they can make it more deaf. It is almost impossible to avoid them, but it can be reduced to levels inaudible to the human ear.

As a result, the harmonic distortion factor (harmonics) is one of the main parameters describing the overall sound quality in Hi-Fi and Hi-End amplifiers. The lower it is, the clearer the sound. Hundredths of a percent are considered a good indicator for modern amplifiers, thousandths and below are excellent. The exceptions are tube and hybrid models, for which rather high harmonic coefficients are allowed; see "Element base" for more details.

Line input

The sensitivity and dynamic impedance of the amplifier when a signal is applied to the RCA line input.

Under the sensitivity of any input (except optical) is meant the lowest signal voltage at this input, at which the amplifier is able to provide normal nominal power values (see "Power per channel (8Ω)"). This parameter determines, first of all, the requirements for the signal source. On the one hand, the voltage provided by this source must not be lower than the input sensitivity of the amplifier, otherwise the latter simply will not give the claimed characteristics. However, a significant excess in voltage should not be allowed, otherwise the sound will begin to be distorted. More detailed recommendations on choosing an amplifier by sensitivity are described in special sources.

For any input other than optical, it is believed that the higher this indicator, the less distortion the amplifier introduces into the signal. The minimum level of input impedance in modern models is considered to be 10 kOhm, and in high-end devices it can reach several hundred kOhm.
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