Model H3432
Enlarge image- Microphone: M-7A Electret (nominal 50 ohm).
- Boom: Full flex for precise microphone positioning.
- Rotates 200°for left or right side placement.
- Earphone: Lightweight Dynamic (nominal 300 ohm) wired in series.
- Cord: 4 conductor, 5' Coil.
- Plug: PJ-051.
- Microphone on/off button.
- NRR: 23dB.
View a PDF file of model H3432 parts list and schematics
Noise attenuation data
| Frequency (Hz) | 125 | 250 | 500 | 1000 | 2000 | 3000 | 4000 | 6000 | 8000 |
| Attenuation (dB) | 16.6 | 20.7 | 27.4 | 33.0 | 30.5 | 36.2 | 38.1 | 36.6 | 36.6 |
| Standard Deviation | 2.6 | 2.5 | 2.5 | 2.6 | 3.1 | 3.5 | 3.7 | 3.7 | 3.6 |
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(source: http://www.davidclark.com/)