The 120 mm models of the Deep Silence fan series are supplied with a 7-volt adapter cable. At 12 volts the fan rotates at 1300 revolutions per minute. The Deep Silence 120 mm generates an air flow of 60.1 CFM at a noise level of 14.2 dB (A). With the 7 volt cable, reduce the speed of approx. 900 rpm, which generates and the airflow of 26.5 CFM at 8.6 dB (A).
- 7V noise level: 8.6 dB (A)
- 12 V Noise level: 14.2 dB (A)