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Comparison Casio CTK-4400 vs Casio WK-240

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Casio CTK-4400
Casio WK-240
Casio CTK-4400Casio WK-240
from $272.00 up to $293.00
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from $368.00 up to $397.00
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Typesynthesizer (rompler)synthesizer (rompler)
Keys
Number of keys6176
Sizefull sizefull size
Mechanicsactiveactive
Sensitivity adjustment
 /2 types, off/
 /2 types, off/
Rigiditysemi-weightedsemi-weighted
Specs
Polyphony48 voices48 voices
Built-in timbres600 шт600 шт
User timbres8 шт8 шт
Auto accompaniment
Accompaniment styles180 шт180 шт
Custom styles10 шт10 шт
Learning mode
 /4 stages/
 /4 stages/
Tempo change30 – 25530 – 255
Metronome
Sequencer (recording)
Sampling
Built-in compositions
 /152, 10 custom/
 /152, 10 custom/
Effects and control
Timbres layering
Keyboard split
Octave shift
 /±2 octaves/
 /±2 octaves/
Arpeggiator
 /90 types/
 /90 types/
Reverberation
 /1 – 10/
 /1 – 10/
Chorus
 /1 – 5/
 /1 – 5/
Transposition
Fine tuning
 /415.5 – 465.9 Hz/
 /415.5 – 465.9 Hz/
Connectors
Inputs
mini-Jack (3.5 mm)
mini-Jack (3.5 mm)
Connectable pedals1 шт1 шт
Outputs
USB to host (type B)
headphones
USB to host (type B)
headphones
In box
In box
PSU
PSU /AD-E95100L/
General
Built-in acoustics5 W5 W
Number of bands11
Displaymonochromemonochrome
Power consumption7.7 W7.7 W
Autonomous power supply
aA batteries /6 pcs/
batteries type D /6 pcs/
Operating hours3 h3 h
Dimensions (WxHxD)948x103x350 mm1161x134x385 mm
Weight4.3 kg6.9 kg
Color
Added to E-Catalogoctober 2016october 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.

Autonomous power supply

The type of battery used by the synthesizer.

Self-powered, as the name suggests, allows you to use the tool regardless of whether there are outlets nearby. Usually, replaceable batteries of a standard size are used for this. Here are the most popular sizes in modern synthesizers.

— AA batteries. Familiar to many "finger-type" batteries, the most popular modern standard size, available for sale almost everywhere. The power of such a supply, however, is relatively low, but in the case of synthesizers, this only affects the power of the built-in acoustics (see above), and this parameter is rarely a key one. So this option is very common.

— C batteries. Cylindrical batteries, similar in length to the AA described above (50 mm), but thicker — 26.2 mm in diameter, which made it possible to significantly increase power and capacity. At the same time, C elements are used relatively rarely in synthesizers — if you need a "heavy" power supply, most manufacturers prefer even more capacious and powerful D elements (see below).

— D batteries. The largest, most capacious and powerful batteries used in modern synthesizers: they are 63 mm long, about 34 mm in diameter and have a capacity of 4000 to 16000 mAh. They are used much less frequently than AA, mainly in advanced tools with high power consumption.

Note that batteries are usually not included with the synthesizer, they must be purchased separately. How...ever, in this case, this is more of an advantage than a disadvantage: the user can choose the batteries at his discretion. And the choice is quite wide — all the described sizes are available both in the form of disposable batteries and in the form of accumulators, and both types are represented on the market by many brands that differ in quality and price.
Casio CTK-4400 often compared
Casio WK-240 often compared