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Comparison Yamaha PSR-EW300 vs Casio LK-280

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Yamaha PSR-EW300
Casio LK-280
Yamaha PSR-EW300Casio LK-280
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Main
Active mechanics. Sequencer. Key backlight. Metronome. Sampling. Card reader. USB port. Microphone input.
Typesynthesizer (rompler)synthesizer (rompler)
Keys
Number of keys7661
Sizefull sizefull size
Mechanicsactiveactive
Sensitivity adjustment
 /2 types, off/
Rigiditysemi-weighted
Backlight
Specs
Polyphony48 voices48 voices
Built-in timbres574 шт600 шт
Auto accompaniment
Accompaniment styles165 шт180 шт
Learning mode
Tempo change11 – 28030 – 255
Metronome
Sequencer (recording)
Sampling
Built-in compositions
Effects and control
Timbres layering
Keyboard split
Octave shift
 /±2 octaves/
Arpeggiator
 /90 types/
Reverberation
 /1 – 10/
Chorus
 /1 – 5/
Transposition
Pitch controller
Fine tuning
 /427 – 453 Hz/
 /415.5 – 465.9 Hz/
Connectors
Inputs
mini-Jack (3.5 mm)
 
mini-Jack (3.5 mm)
card reader
Microphone1 шт
Connectable pedals1 шт1 шт
Outputs
USB to host (type B)
headphones
USB to host (type B)
headphones
Linear outputs1
In box
In box
music stand
 
 
PSU
General
Built-in acoustics5 W5 W
Number of bands11
Displaymonochromemonochrome
Power consumption8 W7.7 W
Autonomous power supply
aA batteries /6 pcs/
aA batteries /6 pcs/
Operating hours3 h
Dimensions (WxHxD)1152x118x369 mm948x103x35 mm
Weight6.2 kg4.5 kg
Color
Added to E-Catalognovember 2017october 2016

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.

Rigidity

Unweighted. Keys with a very low pressing force, literally "failing" under the fingers. This option is well suited for inexpensive synthesizers with passive mechanics (see above), but is rarely used in active models — a small resistance force makes it difficult to choose the optimal pressing force.

— Semi- weighted. Medium-strength keys, not up to the hardness of a full-fledged piano, but showing noticeably more resistance than unweighted ones. This variant is most popular among instruments with active mechanics (see above) — the force on the keys provides adequate feedback and at the same time playing such an instrument does not cause any special difficulties even for those who previously dealt only with unweighted keyboards.

Weighted. Keys with high actuation force, comparable to that of a classical piano. Used only in professional hammer action instruments (see above) — high rigidity is a must for such mechanics (more precisely, for the response that it must provide).

Backlight

The presence of a backlight in the design of the keyboard.

Usually, in this case, the illumination of each individual key is implied. This function is not of great importance for ordinary music-making, but it can be very relevant when learning: the instrument can highlight the keys that need to be pressed at the moment, simplifying the task for the student. Actually, the presence of a backlight is most often just a sign of the presence of a training mode in the instrument (see below), although not every “training” synthesizer has this function.

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.

Sampling

Synthesizer support for sampling.

Samples are short sound fragments used in the creation of musical compositions. Such a fragment can contain almost any sound — from a note on a musical instrument or a fragment of a drum part to a siren signal, a bird's chirp, the sound of a mechanism, etc. Specifically, the sampling function implies the ability to use the synthesizer to record samples for further use. Recording can be done either through the built-in microphone or through the audio input (from an external microphone or other audio device). At the same time, many synthesizers with this function are able not only to keep the sound not only "as is", but also to pass the incoming signal through the processing circuits, adding various effects to it — echo, "wah-wah", metallic sound coloring, etc. And ready-made samples can usually be "bound" to individual synthesizer keys and played back in real time. Other functions are possible, depending on the level of the instrument.

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.
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