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Arbor Scientific Compact Resonance Apparatus

Compact Resonance Apparatus

Item #97-7470
$125.00 Bundle Discount

Simplify Standing Waves in Air Columns

The Compact Resonance Apparatus is a standing wave tube system designed to investigate resonance in air columns. Its telescoping tube design and built-in water reservoir allow students to study both open-pipe and closed-pipe resonance with precise control of air-column length. With an etched millimeter scale and a built-in 5 W loudspeaker for driving sound waves, the apparatus enables accurate measurement of resonant lengths, wavelength, and the speed of sound in air.

Why Teachers Love It

  • Stable, mess-free resonance setup – The integrated water reservoir and telescoping design eliminate messy, unstable setups while maintaining accurate air-column adjustment.

  • Accurate resonant length measurement – An etched millimeter scale allows students to quickly determine resonant lengths for calculating wavelength and speed of sound.

  • Clear Harmonics at the Turn of a Dial – The 5 W loudspeaker connects via standard 4 mm sockets to an amplified signal generator, making it easy to sweep frequencies and identify resonance modes.

Product Details

The Compact Resonance Apparatus is designed for efficient investigation of standing waves in air columns.

Key Features:

  • Telescoping nested tubes for smooth air-column adjustment
  • Built-in water reservoir for closed-pipe resonance
  • Inner tube usable alone for open-pipe investigations
  • Etched millimeter scale for accurate length readings
  • 5 W loudspeaker mounted at top
  • 4 mm socket connections for use with amplified signal generators

Ideal For These Labs & Investigations

  • Closed-pipe resonance experiments
  • Open-pipe resonance experiments
  • Identifying harmonics and overtones
  • Determining wavelength from resonant length
  • Calculating the speed of sound in air
  • Comparing open vs. closed pipe resonance modes

Perfect For

  • High School Physics (CP, Honors, AP® Physics 1)
  • Waves & Sound Units
  • STEM & Engineering Courses
  • Introductory College Physics

By combining stability, precision measurement, and clean design, the Compact Resonance Apparatus makes standing waves in air columns easier to observe, measure, and analyze than ever before.

Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.

Product Specifications

Key Features:

  • Telescoping nested tubes for smooth air-column adjustment
  • Built-in water reservoir for closed-pipe resonance
  • Inner tube usable alone for open-pipe investigations
  • Etched millimeter scale for accurate length readings
  • 5 W loudspeaker mounted at top
  • 4 mm socket connections for use with amplified signal generators
FAQ

Frequently Asked Questions

What does the Compact Resonance Apparatus demonstrate?

It demonstrates standing waves in air columns, including both open-pipe and closed-pipe resonance.

How do students adjust the air-column length?

Two nested telescoping tubes allow smooth adjustment of the air column, with an etched millimeter scale for precise length measurements.

Can this be used for both open and closed pipe investigations?

Yes. Use the full telescoping setup with the water reservoir for closed-pipe resonance, or use the inner tube alone for open-pipe studies.

How is sound introduced into the tube?

A built-in 5 W loudspeaker mounts at the top and connects to an amplified signal generator via standard 4 mm sockets.

Can students calculate the speed of sound with this apparatus?

Yes. By measuring resonant lengths and identifying harmonics, students can determine wavelength and calculate the speed of sound in air.

Warning: California Residents

WARNING: Cancer & Reproductive Harm — www.P65Warnings.ca.gov

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