Etymotic Research Tuberphone ER-3C specifications: Difference between revisions

Revision as of 11:57, 27 November 2023

The Etymotic ER-3C are insert earphones. [ER-3C infographic]

Specification	Detail
Impedance	50 Ohms
Sensitivity	102.5 dB SPL in HA-2 coupler at 0.2 Vms (50 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:5 Vrms (50 Ohms)

@@ Line 8: / Line 8: @@
 |-
 | Impedance
-| 10 Ohms, 50 Ohms, or 300 Ohms
+| 50 Ohms
 |-
 | Sensitivity
-| 102.5 dB SPL in HA-2 coupler at 0.1 Vms (10 Ohms)<br>102.5 dB SPL in HA-2 coupler at 0.2 Vms (50 Ohms)<br>102.5 dB SPL in HA-2 coupler at 0.49 Vms (300 Ohms)
+| 102.5 dB SPL in HA-2 coupler at 0.2 Vms (50 Ohms)
 |-
 | Temperature
@@ Line 26: / Line 26: @@
 |-
 | Safe Operating Limits
-| Maximum continuous sine wave drive:<br>2.5 Vrms (10 Ohms)<br>5 Vrms (50 Ohms)<br>13.75 Vrms (300 Ohms)
+| Maximum continuous sine wave drive:5 Vrms (50 Ohms)
 |}