Etymotic Research Tuberphone ER-3C specifications
description
The Etymotic ER-3C are insert earphones. [ER-3C infographic]
| Specification | Detail |
|---|---|
| Impedance | 10 Ohms, 50 Ohms, or 300 Ohms |
| Sensitivity | 102.5 dB SPL in HA-2 coupler at 0.1 Vms (10 Ohms) 102.5 dB SPL in HA-2 coupler at 0.2 Vms (50 Ohms) 102.5 dB SPL in HA-2 coupler at 0.49 Vms (300 Ohms) |
| Temperature | 15-35 °C |
| Relative Humidity | 30-90% (non-condensing) |
| Ambient Pressure | 98-104 kPa |
| Maximum Output | Meets or exceeds 110 dB HL at standard audiometric frequencies between 0.5 and 4 kHz |
| Safe Operating Limits | Maximum continuous sine wave drive: 2.5 Vrms (10 Ohms) 5 Vrms (50 Ohms) 13.75 Vrms (300 Ohms) |