Ambco Model 650 Pure Tone Audiometer

Your Price: $969.99
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The Ambco 650 Pure Tone Audiometer is a clinical audiometer, approved for pure tone screening and threshold hearing tests.


  • Portable, light weight
  • Easy to use tone switch
  • Tone present indicator
  • Plug-in 110 or 220 volt, 650A
  • Plug-in and battery, 650AB
  • Battery life indicator
  • Five year warranty
  • Extremely accurate
  • Exceeds all specifications
  • Steady and pulsed tone
  • Custom carrying bag
  • Patient response


  • Meets or exceeds ANSI S3.6 1989, (ASA 81-1989) ISO 389-1985, C.H.D.P, O.S.H.A, E.P.S.D.T. F.A.A., Police, Divers, requirements.
  • Frequency Range: 250, 500, 1000, 2000, 3000, 4000, 6000, 8000 Hz Accuracy better than ± 3%, (steady and pulsed tone)
  • Hearing Threshold Range: 0 to 90dB in 5dB steps Accuracy better than ± 2 dB
  • Harmonic Distortion - less than 3%
  • Power: 110-230 VAC, 50-60 HZ UL, C.S.A. approved power supply. Long hour operation on one 9 volt battery (650AB).
  • Total Weight less than 4.5 Ibs (complete with headset, TDH 39 earphones, patient response, audiogram pad and carrying bag.)

Get FREE ground shipping on all orders $175+*. Pay $10.50 for ground shipping on orders under $175. 

When shipping ground you can expect the following transit time (business days) to your location.

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Exceptions to this policy would include all orders with special shipping requests (i.e. Next Day Air, etc.), orders for dealers/resellers, orders under $175.00 and all orders outside the contiguous United States. In addition, there is a $10.50 Narcotic Handling Fee on all narcotic orders.  Also, there is a $13.95 Refrigeration Handling Fee on all refrigerated medication shipments due to special requirements.

*Exceptions apply. See details.