GSI AudioStar Pro™ Clinical Audiometer
90
D-0100778 Rev C
Appendix 1: Specifications
Dimensions and
W x D x H:
20.1 inches x 14.6 inches x 13.2 inches (LCD raised)
Weight
51.0 cm x 37.0 cm x 33.5 cm
Height with LCD lowered:
5.5 inches
14.0 cm
Weight:
17 pounds
7.7 kg
Shipping Weight:
27 pounds
12.25 kg
Power Specifications
Power Consumption:
90 Watts
Voltage & Amperage:
100 Vac 1.0 A and 240 Vac 0.6 A
Frequency:
50 Hz and 60 Hz
Channels
Two independent Channels
Pure Tone - Channel
1 and Channel 2
Frequency Range
Air Conduction:
125 Hz to 12,000*** Hz
High Frequency:*
8,000 Hz to 20,000 Hz (8 kHz, 9 kHz, 10 kHz, 11.2 kHz, 12.5
kHz, 14 kHz, 16 kHz, 18 kHz*** and 20 kHz***)
Full Frequency Range:*
125 Hz to 20,000 Hz
Bone Conduction:
250 Hz to 8,000 Hz
Sound Field:*
125 Hz to 8,000 Hz
Paired Inserts:*
125 Hz to 8,000 Hz
Frequency Accuracy:
± 1 %
Total Harmonic Distortion:
< 2% (earphones and paired insert phones*)
< 5% (bone vibrator)
Intensity Range **
Air Conduction (TDH):
-10 dB HL to 120 dB HL
High Frequency:*
-20 dB HL to 100 dB HL (with Sennheiser HDA 200
Phones)
Bone Conduction:
-10 dB HL to 75 dB HL (mastoid)
-10 dB HL to 65 dB HL (forehead)
Sound Field:*
-10 dB HL to 90 dB HL (basic speakers)
-10 dB HL to 96 dB HL (high performance speakers)
-10 dB HL to 102 dB HL (high performance speakers and
external booster amplifier)
Paired Inserts:*
-10 dB HL to 120 dB HL
Masking Intensity Range (Calibrated in effective masking)
Narrow Band Noise:
Maximum dB HL is 15 dB below tone
Signal Format
Steady:
Tone continuously present.
Pulsed:
Tone pulsed 200 msec ON, 200 msec OFF.
FM:
Modulation Rate: 5 Hz
Modulation depth +/- 5%
Pediatric Noise
Continuously presented or pulsed
Speech - Channel 1
and Channel 2
Microphone:
For live voice testing and communications
INT/EXT A & INT/EXT B:
Can be utilized for internal wave files or recorded speech
material from an external digital device
Intensity Range:
Air Conduction:
-10 dB HL to 100 dB HL for TDH 50 (Linear Type A)
Speech - Channel 1
Bone Conduction:
-
10 dB HL to 55 dB HL (mastoid)
and Channel 2
-10 dB HL to 35 dB HL (forehead)
Sound Field:*
-10 dB HL to 90 dB HL (basic speakers)