Yamaha P125 Graded Hammer Standard Weighted Keyboard Piano

Last updated date: April 29, 2022

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Yamaha P125 Graded Hammer Standard Weighted Keyboard Piano

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Update as May 20, 2022:
Checkout The Best Weighted Keyboard Piano for a detailed review of all the top .

Overall Take

In our analysis of 23 expert reviews, the Yamaha P125 Graded Hammer Standard Weighted Keyboard Piano placed 6th when we looked at the top 7 products in the category. For the full ranking, see below.

From The Manufacturer

A fully weighted digital piano with 88 full sized piano style keys. GHS weighted action is heavier in the low keys and lighter in the high keys, just like an acoustic piano. The pure CF sound engine faithfully reproduces the tone of the acclaimed Yamaha 9 feet CFIIIS Concert grand piano; Tempo range: 5 to 280. Split mode lets you play a different voice with each hand; Tuning: 414.8 440.0 to 446.8 hertz. USB to host connectivity with MIDI and audio transfer means you only need 1 cable to connect to your music making software.

Expert Reviews

Expert Summarized Score

4 expert reviews

User Summarized Score

1,512 user reviews

What experts liked

88 fully weights GHS keys for realistic playing. Yamaha’s Pure CF sound engine is included, which mimics the tone of their DFIIIS Concert Grand Piano among others. Yamaha includes lots of connectivity features, including MIDI and audio transfer.
- Old Time Music
Compact gig-friendly design. 4-layer Pure CF Sampling. 192-note polyphony. 24 high-quality instrument sounds. Realistic tones of the Yamaha CFIIIS 9' Grand. Built-in library with 50 songs + 20 versatile rhythm accompaniments. Great speaker system.
- Piano Dreamers
Has a sleek design for convenience. Allows you to play for extended periods. Offers the same experience as playing an acoustic piano. You can control it from your smart device using the free Smart Pianist App. Very high-quality. Good for a beginner.
- Run the Music
The design; compact, portable and lightweight. The piano sound; clear and with depth. Speaker system is good. Smart Pianist, ability to connect to a computer.
- Piano Reviewer

What experts didn't like

The sleek design is great for some people. But, if you want a traditional looking digital piano, this is not the product for you. The stand is not included with your purchase of the P125. The pedal tends to break easily and feel flimsy under the feet.
- Old Time Music
Not the most realistic key action. Limited selection of sound effects/settings. Basic sustain footswitch. No Bluetooth connectivity onboard.
- Piano Dreamers
You'll need to replace the sustain pedal because of its quality.
- Run the Music
Extremely basic sustain switch; you will need to upgrade to a proper pedal. Keyboard action is a little dated. Controls are awful. Plastic construction; feels sturdy but cheap.
- Piano Reviewer

An Overview On

The design of an acoustic piano includes hammers and strings, and when a hammer strikes the strings, they vibrate. This is what makes the full, deep sound we associate with an acoustic piano. If you want your keyboard to sound just like an acoustic piano, you need a weighted keyboard piano.

In order to recreate this type of sound and feel in a digital keyboard, manufacturers must replicate the feel of the hammer hitting the strings.  If you hit the keys hard when playing an acoustic piano, the sound is louder than when you tap them softly. The weight and resistance that affect the piano strings when they connect with the lever system of the piano keys create the difference.

With a weighted keyboard piano, there are no hammers or strings, just a computer and keys that produce samples — pre-recorded audio of the way an instrument sounds, which is upgraded by physical modeling that enhances the sound and makes it more natural. The computer can detect how hard or soft you hit the keys to create the right kind of sound. However, some pianos also have weights built into the keys which help create the same feel and sound as you get with an acoustic piano.

Weighted keyboard pianos create a realistic resistance, making it easier for pianists to transition from an acoustic piano to a digital one and back again. In addition to mimicking the sound and feel of an acoustic piano, weighted keyboards also help pianists work on their finger strength and technique.

There three different types of weighted keyboard keys. Semi-weighted keys offer more resistance than an unweighted keyboard and offer a responsive playing experience. Hammer-action keyboards actually have a lever mechanism to replicate the hammer hitting the strings in an acoustic piano. Graded, weighted keyboards offer more resistance in the lower range and less resistance in the upper range, similar to an acoustic piano.

The Buying Guide

  • How many keys should your weighted keyboard piano have? Most acoustic pianos have 88 keys, while digital ones can have 61, 73, 76 or 88 keys. To play modern piano pieces, you will need at least 73 keys. If you play more classical pieces, then it’s best to get one with all 88 keys.
  • The term “polyphony” refers to how many sounds, or notes, a keyboard can play at one time. You can find digital keyboards that play 64, 128, 192, or 256 sounds simultaneously.  You may think you don’t need too many, as you only have so many fingers to play chords, but modern digital keyboards layer sound in complex ways and require quite a bit of sophisticated polyphony.
  • Digital pianos also often have “tones” or “voices.” These refer to the samples of different instruments and percussion styles available that you can layer together.
  • To record your work, look for a weighted keyboard piano with a built-in audio recorder. This allows you to save the recording on a flash drive and share it in various ways — such as on social media.
  • With a tuning function on the weighted keyboard piano, you can shift the pitch of the keyboard in 0.1- or 0.2-hertz steps. This is useful if you want to match the pitch of another instrument or a recording.