Electric acoustic package for 9th Grade

Package with all important teaching aids and programs for the basics of electroacoustics in physics classes in 9th grade. In addition to speakers and a microphone, the effects on the listening quality of differently resolved digital sound recordings can also be demonstrated. Attempts to tone dial the telephone follow.

The package contains:
- a 2 x 25 W amplifier with banana sockets for operation at 12 V,
- a small speaker,
- a large, prepared, functional speaker with removable membrane and Voice coil (Ø 30 cm),
- a cardboard box as a box,
- a TAE banana jack adapter for experiments with Telephones,
- an adapter cable chinch to mini jack,
- a CD - with software for tone generators (lower cut-off frequency 3 Hz), sound examples and copy templates,
- a pack of coal grains and various individual parts,
- Instructions booklet

Use: Acoustics, 9th grade
Dimensions of the amplifier (LxWxH): 15 x 10 x 9 cm

In addition to the devices and programs included in the set, only standard equipment is required, which can be found in every physics collection (cables, power supply, tripod material, etc.).