Sound and Vibration Sources and Accessories

BSWA, MC3122

• Two channel ICCP inputs with x0.1; x1 and x10 gains: With the gain settings, the MC3122 can handle the signal from 18 dB to 170 dB.
• Two channel signal generator outputs: The output channels can generate Sine, Multi-tones, Sweep, Stepped Sine, Pink, White noise.
• Stereo headphone output for listening: Built-in headphone output for playback of recorded signals. Useful for sound quality analysis and hearing comparisons.
• USB 2.0 interface with PC: No driver software is required. The PC will connect the MC3122 automatically when it is plugged.
• Rechargeable Battery: With Built-in battery, the MC3122 can be operated for 4 to 6 hours.
• IEC61672 Class 1 standard: The hardware meets the Class 1 standard for the sound level meters.
• Solid Casing: The aluminum casing of MC3122 is rugged.
• Low cost: The MC3122 is priced at USD 2450 with Basic VA-Lab 2 software for FFT and 1/n Octave analysis.

Spherical Surface Fixture for Sound Power Measurement

The MICROPHONE SPHERICAL SURFACE FIXTURE type MF720/710 is used in the measurement of sound power level. The lightweight and portable fixture allows accurate determination of sound power level in accordance with ISO 3745, ISO 7779, and GB 6882. The MF720 is designed to mount 20 microphones over the spherical surface and the MF710 is a 10 positions version. The position and orientation of each microphone can be adjusted to fit the appropriate standards.

Introductory prices are $2,750 for the MF720 and $2,150 for the MF710