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Comparison Yamaha PSR-EW300 vs Yamaha PSR-S970

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Yamaha PSR-EW300
Yamaha PSR-S970
Yamaha PSR-EW300Yamaha PSR-S970
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Typesynthesizer (rompler)synthesizer (rompler)
Keys
Number of keys7661
Sizefull sizefull size
Mechanicsactiveactive
Sensitivity adjustment
Rigiditysemi-weightedsemi-weighted
Specs
Polyphony48 voices128 voices
Built-in timbres574 шт1510 шт
Auto accompaniment
Accompaniment styles165 шт450 шт
Learning mode
Tempo change11 – 2805 – 500
Metronome
Sequencer (recording)
Mixer
Built-in compositions
Effects and control
Timbres layering
Keyboard split
Octave shift
Arpeggiator
Reverberation
Chorus
Transposition
Pitch controller
Modulation controller
Vocoder
Fine tuning
 /427 – 453 Hz/
Connectors
Inputs
mini-Jack (3.5 mm)
 
 
 
mini-Jack (3.5 mm)
Jack (6.35 mm) /to the guitar/
MIDI in
USB to device (type A)
Microphone1 шт
Connectable pedals1 шт2 шт
Outputs
USB to host (type B)
 
headphones
USB to host (type B)
MIDI out
headphones
Linear outputs1
/mono, stereo/
In box
In box
music stand
 
 
PSU
General
Built-in acoustics5 W30 W
Number of bands12
Displaymonochromecolour
Power consumption8 W20 W
Autonomous power supply
aA batteries /6 pcs/
Dimensions (WxHxD)1152x118x369 mm1002x148x437 mm
Weight6.2 kg11.6 kg
Color
Added to E-Catalognovember 2017june 2017

Number of keys

The greater the number of keys — the wider the range of the instrument, the lower and higher notes you can take on it right during the game, without resorting to tricks like octave shift (see below). By comparison, a full size piano keyboard has 88 keys. However, in synthesizers, such an amount is rare, because. the instrument would have turned out to be too bulky and expensive, and not every musician, even a professional one, needs such an extensive range. Thus, 88-key keyboards are used primarily in high-end workstations (see "Type"). For ordinary synthesizers, the standard is 49, 61 or 76 keys ( there are also options for 73 keys) — this is usually quite enough (while the "golden mean" option is considered to be 61 keys). And small children's models can have 32 keys.

Sensitivity adjustment

Ability to change the sensitivity of active mechanics (see above) in the synthesizer.

This function allows you to adjust the intensity of the key's response to pressing. Simply put, the higher the sensitivity, the louder and sharper the sound will be, with the same pressing force. This allows you to change the characteristics of the instrument's sound.

Also in synthesizers with this function, it is often possible to completely turn off the active mechanics and play on a “passive” keyboard. This can be useful for making certain voices, such as harpsichord or organ, sound realistic.

Polyphony

The polyphony supported by a synthesizer, in other words, is the number of “voices” (tone generators) that can simultaneously sound on it.

This parameter is often described as the number of notes that can be played simultaneously on the keyboard. However, this is not entirely true due to the fact that in many timbres one note can activate several tone generators. As a result, for example, to play a chord of 3 notes in a timbre with 4 tone generators per note, polyphony of at least 3 * 4=12 voices is required. In addition, Auto Accompaniment and Preset Songs (see related sections) also use tone generators, requiring even more voices to work effectively with these features.

The minimum value for a more or less functional modern synthesizer is polyphony for 32 voices — and even then such an instrument can be used mainly for initial training and simple melodies. For a more solid application, it is desirable to have at least 50 – 60 voices, and in professional models (in particular, workstations where you have to deal with several audio tracks at once), there are models with polyphony for 150 tone generators or more.

In general, a more advanced synthesizer is likely to have more extensive polyphony, however, it is only possible to evaluate the class of an instrument by this parameter very approximately — instruments with the same number of voices can differ greatly in level. The only exception to this rule are children's synthesizers (see "T...ype"), which support up to 20 voices.

Built-in timbres

The number of built-in sounds provided in the synthesizer.

The number of timbres is often described as the number of instruments that a given model can imitate. However, this is not entirely true — rather, this parameter can be called "the number of instruments and sound effects." For example, the same instrument — an electric guitar — with different "gadgets" (distortion, overdrive) will sound differently, and in the synthesizer each such gadget will be considered a separate timbre. The “drums” timbre usually combines different types of drums and other percussion instruments — in other words, it allows you to portray both the “bass drum” and the cymbals without switching settings, just by pressing the desired keys. And some timbres may not have analogues among real instruments at all.

The more built-in timbres, the more extensive the possibilities of the synthesizer, the more diverse the sounds that can be extracted from it. At the same time, in high-end models like workstations (see "Type"), this number can reach 1000 or even more.

Accompaniment styles

The number of auto accompaniment styles (see above) originally provided in the synthesizer, in other words, the number of accompaniment options available to the user.

The more extensive this set, the higher the probability of finding among these melodies suitable options for a particular case. At the same time, the abundance of styles in itself is not yet a 100% guarantee that among them there will be a suitable one, especially since different synthesizer models can differ markedly in a specific set of melodies. So the list does not hurt to clarify before buying. Also note that the situation can be corrected by user styles (see below) — many synthesizers with auto accompaniment support them.

Tempo change

The range in which you can change the tempo of the programme played by the synthesizer — auto accompaniment, lesson tune (see above), metronome (see below), recorded sample, etc.

Pace is measured in beats per minute. Changing it allows you to adjust the speed of the synthesizer to the specifics of the situation — for example, slightly slow down the tutorial if it is too hard to master at the initial pace. The wider the range of tempo adjustment, the more options the musician has to choose from, especially in the area of very slow and very fast tempos.

Note that the traditional range of musical tempos covers values from 40 beats / min (“grave”, “very slowly”) to 208 beats / min (“prestissimo”, “very fast”), however, in synthesizers it can be more extensive — for example, 30 – 255 bpm.

Mixer

The presence of a mixer in the design of the synthesizer.

A mixer in this case is a device designed to control individual audio channels that make up the sound of a synthesizer as a whole. The list of these channels includes, in particular, the main voice, the layered voice (see “Dubbing voices”), several auto accompaniment channels (main, bass, drums, etc.). With a mixer, the musician can manually control these channels — turn some of them on and off, switch the timbre, tempo, key, etc. This greatly expands the possibilities for using the synthesizer.

Octave shift

Synthesizer support for octave shift function.

This function allows you to shift the sound of the instrument one or more octaves up or down — for example, so that the keys of the first octave sound the notes of the second, or vice versa. This function can be used for both simple convenience and more practical purposes — it allows you to play very low and very high notes that are not initially covered by the keyboard range. This is especially useful for shortened 49- or 61-key synths that do not initially fit the full range of the piano.

Modulation controller

The presence of a modulation controller in the design of the synthesizer.

This function allows you to give the sound the effect of vibration, "trembling" — when the note does not sound at a constant volume, but unevenly, with alternating peaks and dips in volume. This effect makes the sound more alive, gives it a resemblance to the performance on a real instrument, and is also often used as an artistic device.
Yamaha PSR-EW300 often compared
Yamaha PSR-S970 often compared