Types of piano

Frame Type

Stringing Type

Damping Type

Action Type

Playing Ability in Piano Examination Grades

Steel

Over Strung

Under Damping

Loop Through Jack

Up to 7+

Steel

Over Strung

Under Damping

Tape Check

Up to 7

Steel

Over Strung

Under Damping

Slide Escapement

Up to 6

Steel

Oblique Strung

Under Damping

Tape Check

Up to 6

Steel

Straight Strung

Under Damping

Tape Check

Up to 6

Steel

Over Strung

Over Damping

Tape Check

Up to 5

Steel

Over Strung

Over Damping

Slide Escapement

Up to 5

Steel

Oblique Strung

Over Damping

Tape Check

Up to 5

Steel

Straight Strung

Over Damping

Tape Check

Up to 5

Steel

Straight Strung

Over Damping

Spring & Loop

Up to 4

Wood

Straight Strung

Over Damping

Tape Check

Up to 2
Wood
Straight Strung
Over Damping
Spring & Loop
Up to 2