Specifications
REAL EAR MEASUREMENT
The Device Meets or exceeds all tests required in the ANSI S3.46-1997 Methods of Measurement of Real-Ear Performance Characteristics of Hearing Aids, along with the requirements of IEC/EN 61669:2001.
Probe Microphones (L/R): Dual Electret Microphone Elements
Probe Microphone Tube: Silicone 1.0 mm Nominal Diameter
Measurement Range:
40-120 ± 3 dB SPL
Measured Frequency Range: 125-8000Hz
Test Stimuli: Broadband Noise and Synthesized Random Noise - Pink, White, Byrne LTASS and ANSI weighted; ICRA; ISTS Microphone, File, CD-ROM for Live Speech Mapping, Chirp
Test Stimulus Levels at 1m:
40-90 dB SPL in 1 dB Steps – 200Hz thru 8K Hz (depending on
speaker wattage and efficiency)
Test Stimulus Accuracy:
± 3dB SPL
Equalization: Pressure Method
Analysis Mode: User Selectable 1/3, 1/6, 1/9, 1/12, 1/24, 1/48 Octave Bands
ANSI S3.46-1997 Test Available IEC/EN 61669:2001: Real Ear Unaided Response, Real Ear Unaided Gain, Real Ear Insertion Gain, Real Ear Occluded Response, Real Ear Occluded Gain, Real Ear Aided Response, Real Ear Aided Gain
Other Test Available: Live Speech Mapping™ with Peaks and LTAS analysis; Real Ear to Coupler Difference, Occlusion Effect, Percentile Analysis
Prescription Methods: NAL-RP, 1/3 Gain, 1/2 Gain, Berger, Pogo 1, Pogo 2, FIG6, DSL m[I/O], NAL-NL1, NAL-NL2
Probe Monitoring: Available with Operator Headset
POWER (FOR BOTH REM AND AUDIOMETRY)
USB 2.0 Input: 5.0 Volt Bus
Max Power Consumption: Less than 500 mA at 5.0 volts
Power Supply
Internal Speaker Amp:
15V DC, 2A
Optional Powered Speakers: 120V, 60 Hz or 100V – 240V,
50/60 Hz available
Dimensions::
Approx 8” x 5” x 1.25” (L x W x H)
Approx. 20 cm x 12 cm x 3 cm
(L x W x H)
Net Weight: < 2 lbs, < 1kg
REM EXTERNAL CONNECTIONS
Power connection: USB 2.0 input 5.0 Volt Bus
USB 2.0 input: Standard USB “B” socket
Line-Output jack
(REM or Audiometry Speakers): 3.5mm Stereo Jack
Speaker Output
(Internal Amplifier) (2): 3.81mm Pluggable Spring Clamp
Probe Microphones inputs (2): 8 pin Mini-DIN
Operator Headset Jack
(REM or Audiometry): 3.5mm Stereo Jack
Patient Headset Jack (Client): 3.5mm Stereo Jack
Power Jack: 2.1mm X 5.5mm
HEARING LOSS SIMULATOR AND HEARING AID SIMULATOR
Software based sound equalization with available Live Speech Mapping functionality. Frequency Range 125Hz – 8000 Hz, 13 Band Equalizer
AUDIOMETRY
Standards: Clinical Audiometer as per ANSI S3.6-2010 Type 2 AE (IEC 60645-1 & 2), Tone Audiometry, Speech Audiometry
Channels: Two channels
Outputs: IP30 Insert Earphones, EAR 3A® Insert Earphones or TDH 39 Headphones (DD45), B71 Bone Conductor, Free Field- Line Level Output or Internal Amplifier
Tone Stimuli: Pure Tone, Warble Tone, Continuous or Pulsed, Warble modulation frequency and Pulse period are user adjustable.
Masking Signals: Tone Audiometry: Narrow Band Noise (default), Speech Weighted Noise, White Noise. Speech Audiometry: Speech Weighted Noise (default), White Noise, External Recorded (opposite channel).
Frequency Range
USB Power only: Air: 125Hz – 8000Hz (limited 8000Hz to 12500Hz available) Bone: 250Hz – 8000Hz
Sound Field: 125Hz – 8000Hz (Line Level)
Acoustic Distortion: < 1.0% at 500 Hz, 100dB SPL
Noise Floor: < -10dB HL from 125 Hz – 8000 Hz (12500 Hz)
Attenuation: 1dB or 5dB steps, user selectable
Minimum / Maximum Output: -10 dB to 120 dB HL at 1 KHz – Air (¼ inch mono jacks), -10 dB to 75 dB HL at 1 KHz – Bone (¼ inch mono jack)
Free Field Output: Frequency Range 125-8,000 Hz, Dynamic Range 60-90+ dB SPL at 1 meter distance, (Using 50 watt stereo amplifier with 89 dB sensitivity speakers)
Speech Input: Microphone (3.5 mm stereo jacks)
I/O Jacks - 3.5mm: Operator Headphones (output shared with REM),Operator Talk Forward Microphone, Patient Talk Back Microphone, Free Field (Line Out shared with REM)
I/O Jacks – 1/4”: Left Air Conduction, Right Air Conduction, Bone Conduction,Patient Response Switch