PH0742A Pair of Steel Tuning Forks (440Hz) in Wood Bases, One Adjustable
- Used to hear dissonance
- One fork adjustable
- Comes with mallet and bases
Includes: (2) Tuning forks with bases, (1) Mallet
For demonstrating the production of beat frequencies. Comprises two nickel plated forks A (440 Hz) mounted on individual boxes. One fork is provided with adjustable mass by means of which frequency may be shifted from the nominal 440 Hz .When both forks are sounded a clearly audible 'beat' is produced, its rate depending upon the difference in frequency between the forks.