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Comparison Roland RP-501R vs Roland RP-301R

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Roland RP-501R
Roland RP-301R
Roland RP-501RRoland RP-301R
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Main
Bluetooth
Bodystationarystationary
Cover
Built-in pedals
Keys
Number of keys88 шт88 шт
Sizefull sizefull size
Mechanicsmalleusmalleus
Sensitivity adjustment
Rigidityweightedweighted
Specs
Polyphony128 voices128 voices
Built-in timbres316 шт54 шт
Auto accompaniment
Accompaniment styles
72 шт /two variations/
60 шт
Tempo change10 – 50010 – 500
Metronome
Sequencer (recording)
Built-in compositions
Effects and control
Timbres layering
Keyboard split
Octave shift
Reverberation
 /10/
 /10/
Brightness
 /-10 – 10/
 /-10 – 10/
Transposition
Fine tuning
Connectors
Inputs
Mini-jack (linear)
 
USB to device (type A)
Mini-jack (linear)
MIDI in
USB to device (type A)
Outputs
USB to host (type B)
 
USB to host (type B)
MIDI out
Headphone outputs2 шт2 шт
Linear outputs1 шт2 шт
General
Built-in acoustics24 W24 W
Number of bands11
Displaymonochromemonochrome
Power consumption9 W12 W
Dimensions (WxHxD)1378x992x423 mm1378x992x424 mm
Weight41 kg39 kg
Added to E-Catalogaugust 2017august 2017

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").

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.

Inputs

— Mini-jack (linear). Any line input is designed to receive an audio signal in analogue format. Such an audio signal can be played back by the instrument itself through the built-in speakers, external speakers or headphones, switched to external equipment (for example, an amplifier or audio receiver), or recorded (if you have a sequencer, see above). In digital pianos, the most popular is the first option — playback; typically, the line-in sound either serves as an accompaniment to the main part or provides additional effects. As for the mini-Jack standard, this is a miniature plug, also called "3.5 mm" and known to many as a standard audio jack on a smartphone, laptop or computer. However, this standard is also very popular in digital pianos — among external signal sources, mini-Jack plugs are generally more common than full-size Jacks.

— Jack (linear). Line input using a Jack type connector (aka "6.35 mm"). In terms of purpose, such an input does not differ from the mini-Jack type input described above. As for the connector, it is almost 2 times larger than the mini-Jack in diameter — however, given the dimensions of digital pianos, this cannot be called a serious drawback. At the same time, the Jack socket provides a better and more reliable connection, with less likelihood of interference. At the same time, for a number of reasons, this type of connector is used somewhat less frequently in digital pianos.

— MIDI in. An...input that allows the Digital Piano to receive MIDI signals from external equipment. MIDI is a standard signal format in electronic musical instruments; such a signal (MIDI-event) is created for each keystroke and contains information about the note number, strength, speed and duration of pressing; these signals can then be recorded and/or played back in a specific tone. The ability to receive MIDI events from external devices can be useful, for example, when playing two keyboard instruments at once (to play all the music on one of them, with better sound quality), or to use the digital piano as an adapter for another instrument that does not having the desired tones. In addition, technically, a MIDI signal can be switched to other devices (see "Outputs — MIDI thru").

— USB to device (type A). USB connector that allows you to connect various external devices to the digital piano. However, most often the range of such devices is limited to "flash drives" and other drives. However, even this functionality can provide very extensive additional features: you can play backing melodies from a flash drive, update user timbres and auto-accompaniment styles (see above) or even instrument firmware, and copy materials recorded by a sequencer to a flash drive (or even write music directly). ), etc. Specific features in different models may be different, this point should be clarified separately.

— Card reader. A device for reading memory cards — usually, the popular SD format. By purpose, this function is similar to working with a USB flash drive (see above), adjusted for the fact that memory cards will be convenient primarily when exchanging data with a laptop — almost all modern laptops are equipped with card readers, which cannot be said about desktop PCs.

Outputs

USB to host (type B). Connector for connecting a digital piano to a computer using the USB standard; in this case, the instrument plays the role of a peripheral device. The possibilities of such a connection can be different: recording live music, updating firmware, voices and auto accompaniment styles, using the digital piano as an external MIDI keyboard, fine-tuning the instrument and troubleshooting, etc.; specific functionality varies from model to model.

MIDI out. An output that allows you to broadcast MIDI signals (MIDI events) from the Digital Piano to external devices. A MIDI signal is, in fact, a "preparation" of sound: a signal generated when a key is pressed and containing information about the note number, duration, and force of pressing. Based on this signal, the electronics of the instrument (or other device) generates the sound of a certain timbre. The MIDI output can be useful for connecting a digital piano to, for example, an external sequencer for recording, or to a synthesizer for playback in a tone that is not in the piano itself.

MIDI thru. Output used for switching MIDI signals. The description of such signals is given above, but here we note that the MIDI thru output duplicates the signals received at the MIDI input of the digital piano. This function can be useful in some specific cases — for example, connecting several electr...onic instruments together.

Linear outputs

The number of line outputs provided in the design of the digital piano.

The line output allows you to send the sound from the instrument to external audio equipment. In this case, the sound is transmitted in an analogue format, and to play it, it is enough to pass it through a power amplifier; and active acoustics can generally be connected directly to the line output. The outputs themselves can use different types of connectors, but most often they are 3.5 mm mini-Jack or 6.35 mm Jack, compatible with most audio equipment either directly or through the simplest adapters.

Multiple line outputs allow you to connect multiple signal receivers to the instrument at once — for example, speakers with an amplifier for playback and an external recorder for recording. However, digital pianos rarely have more than 2 line outputs — more, taking into account the specifics of the use of such instruments, is simply not required.

Power consumption

The power consumed by the tool during normal operation.

The cost of electricity, as well as connection requirements, depend on this indicator. At the same time, we note that digital pianos require relatively little energy — even in the most powerful and advanced models, consumption usually does not exceed 60 watts. So in fact, power consumption data is required mainly for specific cases — for example, to calculate the total load when connecting a tool to an autonomous generator along with other devices. In addition, this information may be useful when assessing the power of the built-in speaker, for more information, see "Built-in acoustics".
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