The AVANT A2D+ Audiometer software can run stand-alone or from within Noah
The AVANT A2D+ is a dual channel, air, bone, speech and masking audiometer. It offers pure tone audiometry via earphones and bone conduction, masking and speech audiometry with SRT (Speech Recognition Threshold, WR (Word Recognition), SISI (Short Increment Sensitivity Index), ABLB (Alternate Binaural Loudness Balance), Stenger, Tone Decay and Integrated ACT™ (Audible Contrast Threshold) Test, QuickSIN™ Testing & Automated Audiometry. Several options are available which allow the user to customize the A2D+ Software to meet their needs.
The product is compact, Approx. 16 cm x 12 cm x 3 cm (L x W x H), and when combined with a laptop is portable and easily configured for any office layout.
Features:
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Dual Channel Diagnostic Audiometer
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Complete Air, Bone, Speech and Masking Audiometry
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Built-in Special Tests, Word Lists and Auto-Scoring
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ACT™ Test - Addresses patient’s complaint - hearing in noise
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Integrated QuickSIN
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Automated Audiometry
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HLS (Hearing Loss Simulator) & MHA (Master Hearing Aid) for 3rd Party Demonstration
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PC-based and Portable
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HID Device - True Plug and Play
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USB Connection to Computer
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Noah, TIMS®, Blueprint OMS and Sycle Compatible
ACT™ is a New Test In MedRx Audiometers
This test assesses the quality of hearing in noisy situations and takes only 2-3 minutes
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Downloads
Download the A2D+ Manuals, Data Sheets, Computer Specs, etc. here in PDF format
Technical Specs
Standards:
ANSI S3.6, Type 2 AE (IEC 60645-1&2) Tone Audiometry, Speech Audiometry, Stenger Test, QuickSIN™, ABLB, SISI, Tone Decay, Hughson Westlake Automated Audiometry
Channels: Two
Outputs:
Insert Earphones, Headphones, Bone Conductor, Free Field – Line Level Output
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: 125 Hz – 8000 Hz
Bone: 250 Hz – 8000 Hz
Sound Field: 125 Hz – 8000 Hz (Line Level)
Acoustic Distortion:
< 1.0% At 500 Hz, 100dB SPL
Noise Floor:
< -10dB HL From 125 Hz – 8000 Hz
Attenuation:
1dB Or 5dB Steps, User Selectable
Minimum / Maximum Output:
-10 dB To 120 dB HL At 1000 Hz – Air (¼ Inch Mono Jacks)
-10 dB To 75 dB HL At 1000 Hz – Bone (¼ Inch Mono Jack)
Free Field Output:
Frequency Range 125 Hz – 8000 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)
Operator Talk Forward Microphone
Patient Talk Back Microphone
Free Field (Line Out)
I/O Jacks – 1/4″
Left Air Conduction (2)
Right Air Conduction (2)
Bone Conduction
Patient Response Switch
Communication Port:
USB (Provides All Device Power)
Power Requirements:
USB Power +5 Volts DC, Less Than 500mA
Dimensions:
Approx. 16 cm x 12 cm x 3 cm (L x W x H)
Approx. 6.5″ x 5″ x 1.25″ (L x W x H)
Weight: < 500 g < 1 lb
Enclosure
Aluminum Chassis Bottom, Molded PC ABS With Stainless Steel Insert Top Cover With Plastic Feet
Environmental Requirements
Operating Temperature: 10°C to 35°C
Operating Humidity: 30% to 90%
Storage Temperature -20°C to 50°C
Storage Humidity: 10% to 90%