Before buying the piano, it is also important to inspect the
material and other elements of the piano to ensure it is in good working
There are various parts of the piano, which are essential to
check as they play a part in the sound and the tone quality of the piano, and
they also determine how durable the piano will be in terms of its lifespan.
1) Inspection of the
Piano keys are essential part of the Piano as they are the
keys that pianists are going to press to play music. Any broken or damaged key will ruin the music
Left: Leveled Keys. Right: Unleveled Keys
How to inspect the
Make sure they are leveled at the same height
from one end to another. Unleveled keys are considered broken keys.
Test how far the keys can go down when being
pushed. They normally should go down about 3/8" before it becomes tiring
to play the piano.
Play every key lightly to test if every note
produces a sound.
Hear the tune of the notes when you play the
keys to see if the tune is consistent from one end to another. Playing the same
note in 3 or 4 different octaves at the same time helps to check the tuning
2) Inspection of the
inside of the piano
It is vital to check the inside of the piano as the quality
of the inside of the piano affects the sound and tone quality of the music
How to inspect the
inside of the piano?
Check the wooden part of the keys to check that
there are no stains or chips. The chips might be a sign that there are mice in
the piano. The wooden part is shown in the image below.
Also look out for missing or damaged strings.
Feel the hammers in the piano. They should not
be too hard and dry, as it will cause the sound produced to be thin and hard. Look
out for worn out hammers too. Hammers are shown in the image below:
Notice the groove depth; Groove depth more than 1/8"
deep cannot be reshaped too successfully.
Check the hammers if there are holes in the
felt. Holes are normally caused by insects, which will eat the hammers and the
felt. This is common when the piano is not played for a long time.
Check the bridle straps (as shown below), which
are narrow strips of woven material, to see if any strap is broken. Broken
strap will cause the hammer’s catcher to loosen, causing the note to sound
3) Inspection of the bottom of
How to inspect bottom of the piano?
Make sure that pedals can move freely without
Check the Bass Bridge (as shown below) to see if
there are any cracks around the pins. Big cracks normally impact the tone
quality and the tune, and might also affect other important parts of the piano.