Resonance r25c User Manual

61
Reex, Decay and ARLT tests
• Tone frequency accuracy: ±1%
• dB level variation: 1, 2, 5 or 10 dB
Stimulus duration (sec):
• Reex: 0.5, 1 or 2
• Decay: 10
• ARLT: 1
• Non acoustic: 10 or 20
Max frequencies and max levels
• Tone frequency accuracy: ±1%
• dB level variation: 1, 2, 5 dB
Audiometry section
Tests
• Pure tone Audiometry and Speech
Audiometry (speech material recorded
on SD card)
• ABLB; MLB; DLI; SISI
• Tone Decay, Multifrequency, Stenger
• Automatic threshold (Autothreshold)
Audiometry, Békésy
• GAP, DLF, Quick SIN (optional)
Outputs
• ACR, ACL, BC, INSERT, Free Field, monitor
phone
Inputs
• CD tape (Ext1 and Ext2), mike talk over
Type of signals
• pure tone, warble, mike, external, speech
material recorded on SD card
Masking
• Narrow band noise, speech noise, white
noise, external signal.
DD45 - TDH39 HDA280 INSERT BC B71 (dBuN) Free Field
freq.
(Hz)
Tones
(dBHL)
Noise
bands
(dBEM)
Tones
(dBHL)
Noise
bands
(dBEM)
Noise
bands
(dBEM)
Tones
Noise
bands
Tones
(dBHL)
Noise
bands
(dBEM)
125 80 55 80 55 ---- ---- ---- 70 70
250 100 75 100 75 75 45 40 85 85
500 120 90 120 90 95 70 60 95 95
750 120 95 120 95 95 75 65 95 95
1000 120 95 120 95 95 80 70 95 95
1500 120 95 120 95 95 80 75 95 95
2000 120 95 120 95 95 80 75 95 95
3000 120 95 120 95 95 80 70 95 95
4000 120 95 120 95 95 80 70 95 95
6000 115 90 110 90 80 60 55 95 95
8000 100 70 100 70 80 55 50 85 85
10000 ---- ---- 90 70 ---- ---- ---- ---- ----
12500 ---- ---- 80 70 ---- ---- ---- ---- ----
WN 110 (dBspl) 110 (dBspl)
110
(dBspl)
100 95 (dBspl)
SN 90 90 90 60 95
EXT 105 105 ---- 60 90
DLI and SISI Tests
Increment levels SISI: 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 5 dB
SISI increment recurrence rates: 0.2, 0.5 Hz, random
Increment levels DLI: 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 1.5, 2, 3, 4, 5 dB
DLI increment recurrence rates: 0.5, 1, 2 Hz

Resonance r25c Specifications

General

Brand	Resonance
Model	r25c
Category	Measuring Instruments
Language	English