Can a digital piano replace an acoustic one?

An honest comparison: sound, keyboard, tuning costs, volume, space and the option of practising in headphones. Where digital wins and where the acoustic remains unmatched.

Almost everyone planning to buy an instrument for the home asks themselves this. The answer depends on what exactly "replace" is to mean — because in some uses a digital piano is simply better, while in others the acoustic remains out of reach.

Let's break it down.

Sound

An acoustic piano produces sound physically: a hammer strikes a string, the vibrations pass to the soundboard and the whole body of the instrument works. The sound spreads through the room from the entire structure.

A digital piano plays back a recorded sound through speakers. Even very good samples and a strong system won't fully reproduce the way a wooden case resonates in a room.

Conclusion: in the category of sound alone, the acoustic wins. Two qualifications are worth adding, though. First, an average, out-of-tune acoustic piano from a classified advert sounds worse than a good digital one. Second, the quality of the sound system in digital pianos varies greatly — in the Versoni line the V9N, V10NB and V11B models have 2 × 12 W amplification with a 16 × 24-bit DSP, distinctly stronger than the 2 × 10 W in the V5N.

The keyboard

Here the difference is smaller than commonly supposed — provided we are talking about an instrument with hammer action. Such a keyboard reproduces the working principle of an acoustic: a weight moves under the key, not a spring.

A pianist will feel the difference, especially in rapidly repeated notes and in the subtle handling of quiet passages. A pupil during the first years of learning — practically not at all.

Upkeep costs

This is the argument that buyers of an acoustic often learn about too late.

• An acoustic piano needs tuning, usually once or twice a year. That is a fixed, recurring cost.
• It reacts to humidity and temperature. Dry air in winter can harm it, so a humidifier is sometimes needed.
• From time to time it needs regulation of the action and voicing.
• Transport is a separate operation and a separate cost.

A digital piano needs no tuning at all. It doesn't react to humidity in a way that would change the sound. Moving house is usually a job for two people.

Conclusion: here the digital wins decisively.

Volume and the neighbours

An acoustic cannot be turned down. You can play more gently, but the instrument always fills the flat and the neighbours hear it. In a block of flats that is a real limitation — practising in the evening is out.

A digital piano has a volume control and a headphone output. That changes the way you work: you can practise at eleven at night when the child is asleep, or in the morning before leaving for work.

The V9, V10 and V11 models have two headphone outputs, which lets teacher and pupil hear the same thing without waking the house.

Conclusion: for most people living in a block of flats this is the decisive argument.

Space

An acoustic piano usually weighs 200–250 kg and needs a well-considered placement — not by a radiator, not in a draught, ideally against an internal wall.

A digital one is lighter and shallower. The V5N and V9N models measure 132 × 28 × 80 cm, so they'll fit where an acoustic wouldn't go in.

There are also designs made for limited space. V11B once the keyboard is slid away it turns into a piece of furniture with a full desktop that can serve as a desk — the instrument stops taking up space "only for playing".

Functions an acoustic doesn't have

• recording your own playing,
• a metronome built into the instrument,
• Bluetooth Audio — playing along to a backing track from your phone through the piano's speakers,
• Bluetooth MIDI and USB MIDI — working with learning apps and music software,
• changing the tone — from grand piano to organ and strings,
• transposition and accompaniments.

When an acoustic is worth choosing

• when you play advanced repertoire and care about the instrument's full resonance,
• when you have a house or flat where volume isn't a problem,
• when you are ready for tuning and regular servicing,
• when the instrument is also to be a furnishing of a particular character.

When a digital is the better choice

• when you live in a block of flats and practise at various hours,
• when you don't want the recurring cost of tuning,
• when you need headphones, recording or work with apps,
• when space is limited,
• when you are buying the instrument to start learning and don't want to risk a large investment.

Summary

A digital piano is not a lesser version of an acoustic — it is a different instrument, which does some things worse and some considerably better. For learning, practising in a flat and everyday playing at home it is today a thoroughly sensible choice, provided it has hammer action and a decent sound system.

You'll find the specifications of all the models in the digital pianos.