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Equinox2 - Technical Specifications
Page 0
Equinox2 Specifications
PC-Based Audiometer
Rev. 3 – 11/2013
Equinox2 - Technical Specifications
Included and Optional Parts
AC440
ncluded parts:

Equinox2.0 AC440 CD

OtoAccess™ database CD

TDH39 Audiometric headset or
DD45 Audiometric headset

MTH400 Headset

EMS400 Talk back microphone

B71 Bone conductor

APS3 Patient response button

Standard USB cable

Power cable 120 or 230V

Mouse pad

Instructions for Use document
Optional parts:

DAK70 Audiometer keyboard with
live voice mic.

EARTONE 3A Audiometric
headset (5As may be substituted)

ACC60 Equinox2.0 carrying case

CIR22 Insert masking earphones

Audiocup enclosures

Peltor noise excluding headset

HDA200 Audiometric headset

HDA280 Audiometric headset

KOSS R80 high frequency headset

AP12 Power amplifier 2x12 Watt

AP70 Power amplifier 2x70 Watt

SP90 Loudspeaker

SP85A Loudspeaker

SP90A Loudspeaker

AFC8 Sound cabin installation
panel

Optical USB 1.1 isolation
extension cable
Optional special tests:

High Frequency audiometry
(HF440)

Multi Frequency module (MF440)

Speech from hard-drive (SFH440)

SISI test

Master Hearing Aid (MHA440),

Hearing Loss Simulator (HLS440)

Loudness Scaling (LS440)

QuickSIN

TEN test
Page 1
Equinox2 - Technical Specifications
Page 2
General Technical Specifications
Affinity2/Equinox2 Hardware - Technical Specifications
Medical CE-mark:
Operative System:
The CE-mark indicates that Interacoustics A/S meets the requirements of Annex II of the
Medical Device Directive 93/42/EEC
Approval of the quality system is made by TÜV – identification no. 0123.
IEC 60601-1, UL60601-1, CAN/CSA-C22.2 No.60601-1
Class I, Applied parts type B, Continuous operation
IEC 60601-1-2
IEC 60645-1
Technical information is located in the specifications for the software modules.
Calibration information and instructions are located in the Service manual.
1.6 GHz Dual core CPU or better (Intel recommended)
Hard drive with min 20 GB of free space.
One or more USB ports, version 1.1 or higher.
DVD-Rom drive..
Windows XP or Windows Vista, Windows 7, Windows 8
Display:
Minimum resolution of 1024x768 with hardware accelerated DirectX/Direct3D graphics card.
Disc Space:
1GB RAM or more. (Windows 8: 1GB 32-bit; 2GB 64-bit)
Safety Standards
EMC Standard
Calibration
PC requirements:
Compatible software
Input Specifications
Noah 3.0, OtoAccessTM and XML compatible
Affinity2.0 / Equinox2.0 Suite
VSP, HLS, MHA (simulators)
Talk Back
330Vrms at max. input gain for 0dB VU-reading
Input impedance : 47.5KΩ
Mic. 1/TF & Mic. 2
Pat. Resp. L & R
Inp. Aux. 1 & 2
TB Coupler
Switches 3.3V to the logic input.
(The switch current is 33µA)
20mVrms at max. input gain for 0dB VU-reading
Input impedance : 15KΩ
TB Coupler - internal TB
(Affinity2.0 only)
Insitu L & R - Probe mic.
CD1 & CD2
TB Ref.
TB Ref – internal TB
(Affinity2.0 only)
Insitu L & R - Ref. mic
Ref.Mic./Ext.
10mVrms at max input gain for 0dB VU-reading
Input impedance : 10k
7mVrms at max. input gain for 0dB VU-reading
Input impedance : 4,3KΩ
Not in use
Coupler/Ext.
Output Specifications
Wave files
Plays wave file from hard disk drive
FF1 / FF2
(Terminal Block)
TB Lsp.
Up to 12.6Vrms by 8  load
70Hz-20kHz ±3dB
FF1/ FF2
Up to 7Vrms by 600 load
70Hz-20kHz ±3dB
Sp 1, Sp 2, Sp 3, Sp 4
Left, Right
Ins. Left, Ins. Right
Up to 7.0Vrms by 10 load
70Hz-20kHz ±3dB
Bone
Ins. Mask.
HF/HLS
Insitu L, Insitu R
Monitor, Ass. Mon.
Sp. 1-4 Power Out
DC
Max.3.5Vrms. by 8  load
70Hz-20kHz ±3dB
Voltage: 5VDC
Current: 0.5A
Equinox2 - Technical Specifications
Page 3
TB Loop
FF Loop
Batt. Sim.
Data Connections
Batt. Sim. - Internal TB
(Affinity2.0 only)
USB/PC
Up to 100mA/meter
70Hz-20kHz ±3dB
Voltage: 1.1 – 1.6VDC
Impedance range: 0 – 25 Ω.
Power supply
USB B socket for connection to PC
(compatible with USB 1.1 and later)
USB
USB A socket for connection of other USB devices
(Internal USB 1.1 hub)
Keyb.
Serial Peripheral Interface Bus (SPI interface)
Check the Service manual for more information.
Built in test box holds telecoil drive as well as special dual speaker set for checking directional
microphone function.
Affinity2.0:
42 x 38 x 14 cm / 16.5 x 15 x 5.5 inches
Equinox2.0: 37 x 43.5 x 7.7 cm / 14.5 x 17 x 3 inches.
Affinity2.0:
5.5 kg / 12.1 lbs.
Equinox2.0: 5.1 kg / 11.3 lbs.
100-240 V~, 50-60Hz
Power Consumption:
195VA
Operation environment
Temperature:
Re. Humidity:
Transport temperature:
Storage temperature:
Re. Humidity:
Internal test box:
(Affinity2.0 only)
Dimensions (LxWxH)
Weight
Transport and storage
15-35°C
30-90% Non condensing
-20-50°C
0-50°C
10-95% Non condensing
Equinox2 - Technical Specifications
Page 4
Technical Specifications - AC440 Software
Medical CE-mark:
Audiometer Standards:
Transducers & Calibration:
The CE-mark indicates that Interacoustics A/S meets the requirements of Annex II of the
Medical Device Directive 93/42/EEC. Approval of the quality system is made by TÜV –
identification no. 0123.
Tone: IEC60645-1/ANSI S3.6 Type 1
Speech: IEC60645-2/ANSI S3.6 Type A or A-E
Calibration information and instructions are located in the Service manual.
Check the accompanying Appendix for RETSPL levels for transducers
Air Conduction
DD45
PTB/DTU report 2009
Headband Static Force 4.5N 0.5N
TDH39
ISO 389-1 1998, ANSI S3.6-2010
Headband Static Force 4.5N 0.5N
HDA200
ISO 389-8 2006, ANSI S3.6-2010
Headband Static Force 10N 0.5N
HDA280
PTB report 2004
Headband Static Force 5N 0.5N
E.A.R Tone 3A/5A
ISO 389-2 1994, ANSI S3.6-2010
CIR 33
ISO 389-2
Bone Conduction
Placemenet: Mastoid
B71
ISO 389-3 1994, ANSI S3.6-2010
Free Field
ISO 389-7 2005, ANSI S3.6-2010
High Freqency
ISO 389-5 2004, ANSI S3.6-2010
Effective masking
ISO 389-4 1994, ANSI S3.6-2010
Patient Response switch:
Hand held push button.
Patient communication:
Talk Forward and Talk Back.
Monitor:
Output through external earphone or speaker.
Stimuli:
Pure tone, Wable tone,NB, SN, WN, TEN noise
Tone
Headband Static Force 5.4N 0.5N
Warble Tone
125-20000Hz separated in two ranges 125-8000Hz and 8000-20000Hz.
Resolution 1/2-1/24 octave.
1-10 Hz sine +/- 5% modulation
Wave file
44100Hz sampling, 16 bits, 2 channels
Masking
White noise:
Automatic selection of narrow band noise (or white noise) for tone presentation and speech
noise for speech presentation.
IEC 60645-1:2001, 5/12 Octave filter with the same centre frequency resolution as pure
Tone.
80-20000Hz measured with constant bandwidth
Speech Noise.
IEC 60645-2:1993 125-6000Hz falling 12dB/octave above 1KHz +/-5dB
Presentation
Intensity
Manual or Reverse. Single or multiple pulses. pulse time adjustable from 200mS-5000mS
in 50mS steps. Simultaneous or alternating.
Check the accompanying Appendix for maximum output levels
Steps
Available Intensity Steps is 1, 2 or 5dB
Accuracy
Sound pressure levels: ± 2 dB.
Vibration force levels: ± 5 dB.
If not activated, the Air Conduction output will be limited to 20 dB below maximum output.
Narrow band noise:
Extended range function
Frequency
Distortion (THD)
Signal Indicator(VU)
Storing capability:
Compatible Software:
Range: 125Hz to 8kHz (Optional High Frequency: 8 kHz to 20 kHz)
Accuracy: Better than ± 1 %
Sound pressure levels: below 1.5 %
Vibration force levels: below 3 %.
Time weighting:
350mS
Dynamic range:
-20dB to +3dB
Rectifier characteristics:
RMS
Selectable inputs are provide with an attunuator by which the level can be adjusted to the
indicator reference position(0dB)
Tone audiogram: dB HL, MCL, UCL, Tinnitus, R+L
Speech Audiogram: WR1, WR2, WR3, MCL, UCL, Aided, Unaided, Binaural, R+L.
Noah 4, Noah 3.7, OtoAccessTM and XML compatible
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