Frequencies & Intensities:

Attenuators:
-10 to 120dB HL in 1& 5dB steps.

Outputs:
Left AC, Right AC, Bone L+R
FF1, FF2, FF1+2.

Inputs:
Tone, Warble Tone, Microphone, Tape or CD.

Modulation:
Warble +/- 5% , 5Hz.

Tone presentation:
Manual reverse. Single pulse
100 - 5000 msec. duration. Multiple pulse 100-5000 msec. 

Signal Switch:
Silent touch switch for signal 
presentation.

Masking Stimulus:
Automatic selection of NBN for Tone and WN or SN for Speech presentation.
Automatic contralateral mask.

Synchronous Masking:
Locks both Masking level and 
Hearing level attenuators.

Calibration:
Air Conduction ISO 389-1992
Bone Conduction ISO 7566 or 
ANSI S3.43-1992.
Calibration performed via 
operation panel, stored on 
EEprom (no battery backup 
of memory required).

VU Meter:
Monitors speech via 10  segment 2 color LED array. 

Communication:
Talk forward: 50-110 dB SPL 
continuously adjustable on backpanel, built-in microphone.
Talk back: microphone input 
and level adjustment on rear 
panel, through built-in speaker.

Computer Communication:
The RS232C I/O port allows  on-line communication between computer and audiometer.
The AD19 soft ware provides, 
Monitoring, storage and printout 
of all results on an A4 page as a 
multitest, color Audiogram. 

Auto Threshold:
Patient controlled Hughson-Westlake test after ISO 8253.

Tests:
Most of common tests are
available on AD19B,such as
SISI, TTD, ABLB, Stenger.

Display:
Alphanumeric Transflective LCD
Super twist 2 rows x 20              characters LED Back-lit.

Dimensions:
34x12x 32 cm. (WxHxD) 4.7kg.

Power:
AC 50/60 Hz. 220v. 20w

Construction:
Painted metal cabinet.

Airfreight Packing:
Dimensions: 39x14x55 (WxHxD).
Gross weight: 6 kg.

Included Accessories:
EU-9 Audiometric headset.
A20 or B71 Bone Conductor.
Computer Connection Cable.
AD19 software (1 CD ).
AM19 super sensitive Mic.
Patient Response switch.
Power Cable.
Dust cover.

Additional Accessories:
Microphone for Talk back.
Free Field Loudspeaker.
Jack panel link cable.