Sound Processing
Microphone:
Frequency Range 150 Hz–8000 Hz, ~25 dB SPL (A weighted) noise floor
Audio Sound Capture:
12 bit over-sampled 4x for effective 13 bit Input Dynamic Range (instantaneous) 84 dB
Input Dynamic Range:
20 dB–80 dB programmable (60 dB default)
Effective Audio Sampling Rate:
17.4 kHz
Automatic Gain Control:
Cambridge dual loop AGC
Stimulation Rate:
136 pps–83,000 pps
Spectral Bands:
1–120 bands
Supported Strategies:
HiRes-S with Fidelity 120TM, HiRes-P with Fidelity 120, HiRes-S, HiRes-P, CIS, MPS
Telemetry:
Continuous bidirectional
Processor
Program Switch:
Five-positions—Off, 3 program slots, 1 microphone test slot
Volume Dial:
+/- 100% electrical dynamic range
Sensitivity Dial:
+/- 10 dB
Status LED:
Two colors—green and red; Total of six status indications; Battery status, Microphone status, and Error status categories
Audible Alarms [programmable]:
Low Battery and Loss of Lock
Auxiliary Input/Output Port:
3.5 mm phono, mono jack with microphone bias and microphone test output
Operating Temperature Range:
0° to 45°C/32° to 113°F (non-condensing)
Storage Temperature Range:
-20° to 55°C/-4° to 122°F
Power Operating Time
Batteries:
Lithium-Ion Rechargeable battery 3 V–4.2 V at 4,500 mW-hours
AA Battery Compartment, 3 AA 3 V–4.5 V at 8000 mW-hours
Implant Compatability
ICS:
HiRes 90K™, CII Bionic Ear™ (CII), Clarion™ 1.2 (C 1.2), Clarion™ 1.0 (C 1.0)
Warranty
Processor and Headpiece:
3-year manufacturer warranty