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Technical Parameters |
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Extended range function: |
If it is not selected, AC output restrictions smaller than maximum output 20 dB |
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Input : |
pure tone, warble tone ±5%, 5Hz Sine wave frequency modulation. |
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Masking : |
Both air conduction and bone conduction can do masking |
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Computer Interface: |
USB data transfer interface, can transfer data to computer, and also can set up personalized print reports. |
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Output : |
Air conduction earphone(L/R), Bone conduction earphone(L/R), Insert earphone, Insert masking. |
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Transducer : |
TDH 39 Air conduction earphone (standard configuration) Ear~Tone 5A Insert earphone (Optional) B71 bone conduction earphone (standard configuration) |
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Monitor function: |
Optional |
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Feedback words : |
Built-in feedback words microphone. 50-90 dB SPL can be continuous adjust in panel. |
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Send test voice: |
Manual or automatic/ Monopulse/ Multiple-pulse |
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Frequency selection :. |
If you need to fast test, you can select 250 Hz,750 Hz,1500Hz, 4k Hz or 6k Hz |
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Display : |
Letter-figure |
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Patient signal: |
Responser |
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Structure : |
Engineering plastic shell |
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Attenuator control : |
Standard rotary switch (can choose Push-button switch) |
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Power supply: |
Outer type regulated power supply (standard configuration), 220-230V,50-60 Hz |
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Fuse : |
T2A Built-in fuse |
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Size : |
45cm*30cm*7cm |
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Net Weight : |
1775g |
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Standard accessory: |
TDH39 Air conduction earphone, B71 Bone conduction earphone, Responser, power cable, USB cable, CD software, Audiogram. |




