Clinical Audiometric Suite
All equipment must be compatible with AudBase software approved by DOD and required by the hearing center of excellence for use in documenting clinic diagnostic exams.
In the room monitor to provide counseling to patient required.
Audiometer, Tympanometer, Soundfield speakers and additional accessories to run equipment required.
If computer based, must have audiometer control panel as well as computer accessories for dual function.
Audiometer
Audiometer must be a two-channel clinical diagnostic manual audiometer.
• Pure Tone - Two Independent Channels
• Frequency Range:
Full Frequency Range: 125Hz to 20,000Hz
Air Conduction: 125Hz to 12,000Hz
High Frequency: 8,000Hz to 20,000Hz
Bone Conduction: 250Hz to 8,000Hz
Sound Field and Paired Inserts: 125Hz to 8,000Hz
• Intensity Range:
Air Conduction (TDH): -10dB HL to 120dB HL
Bone Conduction: Mastoid: -10dB HL to 75dB HL, Forehead: -10dB HL to 70dB HL
Sound Field: -10dB HL to 90dB HL
Masking: Narrow Band Noise, White Noise, Speech Noise
• Format:
Steady, Pulsed or FM tone
• Communications and Monitoring:
Talk Forward, Talk Back, Monitor, Aux Intercom
• Special Tests (user defined):
MLB, Lombard Test, Pure Tone Stenger, Speech Stenger and SAL. Ability to add speech tests to the existing list of pre-programmed tests such as the Speech Recognition in Noise Test (SPRINT) that is unique to the DOD.
• Special Tests:
ALT (ABLB), SISI, High Frequency, TEN, QuickSIN,
Tympanometer (Middle Ear Analyzer)
• General Specifications
o Size: 16"(W) x 11"(D) x 14.5"(H), Weight: 12 lb.
o Test Types: Tympanometry, Acoustic Reflex Threshold, Reflex Decay, Eustachian Tube Function (Intact and Perforated)
o Protocols: Diagnostic, Screening, Two-Component Tympanometry, User-defined
o Display: Internal Color Touchscreen and optional eternal HDMI monitor
o Interface: USB (keyboard, mouse, Flash Drive, PC communications)
o Printout: Internal Printer
o Probe Tone:
• 226 Hz (85 dB SPL ± 1.5 dB) 678 Hz (72 dB SPL ± 1.5 dB) 1000 Hz (69 dB SPL ± 1.5 dB)

• Admittance Measurements
Range: 226 Hz (-7.0 to +7.0 mmho) 678 Hz (-21.0 to +21 mmho)1000 Hz (-32.0 to +32 mmho)
Sensitivity Scale: Auto Scales to Appropriate Range, Manual selection also possible in Reflex Modes only
• Pressure Measurements
(load volume of 0.2 to 7.0 ml)
Range: Normal = +200 to -400 daPa Wide = +400 to -600 daPa
Sweep Rate: 12.5, 50.0, 200, 600 and 600/200 daPa/sec.
Sweep Accuracy: 10% of nominal rate
Maximum limits (in 0.5cc cavity): -800 daPa and +600 daPa
• Reflex Measurements
Stimuli: 250, 500, 1k, 2k, 4k, BBN, LBN, HBN, Click, External Input, Non-acoustic