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Comparison Kurzweil KA110 vs Yamaha NP-12

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Kurzweil KA110
Yamaha NP-12
Kurzweil KA110Yamaha NP-12
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Bodyportableportable
Keys
Number of keys88 шт61 шт
Sizefull sizefull size
Mechanicsmalleusactive
Sensitivity adjustment
Rigidityweightedweighted
Specs
Polyphony128 voices64 voices
Built-in timbres583 шт10 шт
User timbres32 шт
Auto accompaniment
Accompaniment styles230 шт
Custom styles5 шт
Tempo change32 – 280
Metronome
Sequencer (recording)
Built-in compositions
Effects and control
Timbres layering
Keyboard split
Octave shift
Reverberation
 /4/
Chorus
Transposition
Pitch controller
Fine tuning
 /414.8 – 466.8 Hz/
Connectors
Inputs
Jack (linear)
MIDI in
Card reader
 
 
 
Connectable pedals2 шт1 шт
Outputs
USB to host (type B)
MIDI out
USB to host (type B)
 
Headphone outputs2 шт1 шт
Linear outputs2 шт
General
Built-in acoustics80 W5 W
Number of bands21
Displaymonochrome
Power consumption8 W
Autonomous power supply
aA batteries /6 pcs/
Operating hours16 h
Dimensions (WxHxD)1360x143x370 mm1036x105x259 mm
Weight20 kg4.5 kg
In box
 
pedal
PSU
music stand
 
PSU /may not be supplied/
Color
Added to E-Catalogjune 2017november 2016

Number of keys

The number of keys provided on the digital piano keyboard.

The immediate range of the instrument depends on the number of keys — that is, the set of notes that can be played on it without resorting to octave transfer or transposition (see below). Most digital pianos have 88 keys, the same number as a regular piano; thus, the ranges in electronic instruments most often match those of real pianos. However, smaller models are also produced — usually 61 or 73 keys (as in most synthesizers). This number of keys is found in two types of digital pianos — in inexpensive entry-level models and in some professional instruments designed mainly for "genre" music (rock, gospel, etc.), and not for classical piano parts.

Mechanics

Type of action used in digital piano keys.

Hammer. A mechanic that mimics the feel of playing a real piano as closely as possible. Hammer action keyboards not only provide velocity and force-dependent sound dynamics, they also provide a distinctive response with each press. These mechanics are complex and expensive, but they are considered the most advanced and suitable for digital pianos, and therefore are used in most models.

Active. In the case of digital pianos, the active keyboard can be described as a simplified version of the hammer action described above. The sound produced when pressing such keys also depends on the force and speed of pressing, however, the keys themselves have less rigidity and do not give the full feel of a piano keyboard. On the other hand, such mechanics are cheaper. As a result, it is found mainly in low-cost models, as well as some professional instruments, positioned more like electric organs.

The third type of mechanics — passive — assumes that each time you press a key, the volume will be the same, regardless of the strength and speed of pressing. Such keyboards are not used in digital pianos — they are too primitive and not very functional for this class of instruments; however, models with adjustable sensitivity may provide switching the keyboard to a "passive" format (see below for more details).

Polyphony

The number of voices supported by the digital piano — more precisely, the maximum number of voices that the instrument can play at the same time.

This parameter should not be confused with the number of notes that can be played simultaneously on the keyboard. The fact is that in many timbres, several voices (tone generators) are used for each note at once — this is the only way to achieve a more or less reliable sound. Thus, the required number of voices can be many times higher than the number of notes — for example, the simplest chord of 3 notes may require 9 or even 12 voices. In addition, tone generators are used to play auto accompaniment parts and built-in songs (see below), and here the number of voices can already be measured in tens.

In light of all this, polyphony of less than 90 voices is typical mainly for relatively simple and inexpensive instruments that are not designed for complex tasks. The smallest number found in modern digital pianos is 32 voices. It is desirable for a more or less solid instrument to have at least 96 voices, and in top models this figure can reach 256.

Built-in timbres

The number of built-in sounds provided by the Digital Piano.

Despite the name, digital pianos are extremely rarely designed to imitate the sound of only a piano — the electronic hardware allows them to provide other timbres of sound. In addition, even the piano has its own varieties — for example, among the grand pianos there are 6 main classes, from large concert to miniature. So the built-in sounds can cover different kinds of pianos, as well as other instruments and sound effects.

The abundance and variety of timbres in digital pianos as a whole is not as great as in synthesizers, however, in this category there are very “charged” models, with a hundred timbres or more (in the most multifunctional, this number can exceed 900). However, it is worth specifically looking for a “multi-instrumental” model if you do not intend to be limited to the sound of the piano and would like to have more freedom of choice. It is worth remembering that a specific set of timbres can be different.

If the instrument is bought exclusively as a piano, then here, on the contrary, it is worth paying attention primarily to solutions with a small number of timbres. Such models are not only cheaper than "universals" — they can also sound better (due to the fact that there are few timbres and the manufacturer can carefully approach the sound quality of each built-in "instrument").

User timbres

The number of user tones provided in the instrument's design.

A certain assortment of built-in sounds is a must for any digital piano; see above for more details. However, the specific list of these timbres may be different, and it does not always include the options required by the user. In this case, the possibility of creating user timbres is provided. The specific method of creation may be different: in some models, timbres are loaded from a computer or a USB flash drive, in others you can create modifications to the “instruments” available in memory (for example, by applying certain filters and effects), in others, you can set all sound parameters manually, achieving unique sound. However, the most popular is the first option.

Anyway, the presence of user timbres greatly expands the capabilities of the instrument. Choosing a model by their number is based on how many original timbres will need to be constantly kept in memory.

Auto accompaniment

Auto accompaniment feature on the digital piano.

Auto Accompaniment is a melody of a specific style played by the instrument under user control. Such control is carried out by the left hand: the musician takes certain chords on the left side of the keyboard, and the electronics of the instrument adjusts the auto accompaniment melody to the key of the taken chord. Thus, this function allows you to accompany the main part with a full-fledged accompaniment, while the musician only needs to set the chords.

Among digital pianos, unlike synthesizers, this function is rare. This is due to the general specialization of this class of instruments (not least professional music-making, including as part of an ensemble or orchestra). However, auto accompaniment is available on both relatively simple and high-end digital pianos.

Accompaniment styles

The number of Auto Accompaniment Styles (see above) originally stored in Digital Piano memory.

Different auto accompaniment styles differ from each other in the same way that different melodies differ from each other — in tempo, time signature, rhythmic pattern, set of instruments used, etc. Accordingly, the more styles initially available in the instrument, the wider the choice of the musician and the higher the probability of finding the option that best suits a particular situation. However even numerous styles does not guarantee that among them there will be a suitable one; in addition, we note that with the same number of styles, their specific set in different instruments can also be different. However, custom styles can be provided for this case (see below).

Summarizing, we can say this: if you plan to work intensively with auto accompaniment, in addition to the number of styles, it will not hurt to clarify their specific range.

Custom styles

The number of User Auto Accompaniment Styles that can be stored in Digital Piano memory at one time.

See above for auto accompaniment and built-in styles. Here we note that these styles may not be enough — after all, the needs of the musician may not coincide with the decisions of the manufacturer. In this case, it is possible to write custom accompaniment styles to the instrument's memory, along with the standard ones. There are many ways to create and record these styles, but most often they need to be loaded from an external source — from a flash drive or computer. However, some models allow you to compose accompaniment manually.

It is worth paying attention to the number of user styles first of all if you plan to work intensively with auto accompaniment.

Tempo change

The range over which the tempo of the sound played by the instrument can change. It can be either a built-in melody or a part recorded on a sequencer, or an auto accompaniment, a tutorial or a metronome. For more information on all of these features, see the corresponding glossary entries. Here we note that a change in tempo is often required in fact — for example, to speed up an initially "sluggish" accompaniment or slow down a training programme that is difficult to master at the original tempo.

Tempo is traditionally indicated in beats per minute. The classical, "academic" range covers options from 40 bpm ("grave", "very slow") to 208 bpm ("prestissimo", "very fast"), however, in modern digital pianos, the working range of tempos is often significantly wider.
Kurzweil KA110 often compared
Yamaha NP-12 often compared