Instruction Manual Manual No. 012-08267A Open Speaker Model No.
Model No. WA-9900 Table of Contents Equipment List........................................................... 3 Introduction ............................................................. 4 Suggested Experiments ................................................. 4 a) Studying Wave Properties..........................................................................................................4 b) Resonance of an Air Column....................................................................................
Model No. WA-9900 Open Speaker Open Speaker Model No. WA-9900 1 Included Equipment 1. Open Speaker Replacement Model Number* WA-9900 *Use Replacement Model Numbers to expedite replacement orders.
Open Speaker Model No. WA-9900 Introduction The Open Speaker is designed for the study of sound wave properties including frequency, amplitude, pitch, wavelength, and resonance. The rugged aluminum bracket holds the speaker perpendicular to the table and provides two standard banana plugs for power input. The speaker is a 5 ¼” woofer with a polypropylene cone and high efficiency 10 oz. magnet.
Model No. WA-9900 Open Speaker Figure 1: Placement of Resonance Tube relative to the Open Speaker 3. Ask students to adjust the Resonance Tube such that a 50 cm closed tube is created. 4. Have students start at a frequency of 50 Hz and increase until they find four different resonant frequencies. Ask students to look for a pattern in the data. 5. Increase the length of the closed tube to 100 cm and repeat step 4. Have students compare/contrast their data from the two different length tubes. 6.
Open Speaker Model No. WA-9900 Appendix A: Technical Support For assistance with the WA-9900 Open Speaker or any other PASCO products, contact PASCO as follows: Address: PASCO scientific 10101 Foothills Blvd. Roseville, CA 95747-7100 Phone: (916) 786-3800 6 FAX: (916) 786-3292 Web: www.pasco.com Email: techsupp@pasco.