FONIX FA-1X Audiometer

SPECIFICATIONS

General Characteristics

Size: 18.3 in x 13.5 in x 5.5 in (46.4 cm x 34.3 cm x 14 cm)

Weight: 11 lbs without accessories

Shipping weight: about 20 lbs in the box with standard accessories

Shipping dimensions: 23 in x 19 in x 11 in

Power: 105-130V or 220-240V (must be configured)

Pure Tone Signals

Frequency Range:

Air conduction and sound field: 125-8000 Hz

Bone conduction: 250-8000 Hz

Accuracy: ± 1%

Intensity Range (Air Conduction)

125 Hz: -10 to 70 dB HL

250 Hz: -10 to 90 dB HL

500-6000 Hz: -10 to 110 dB HL (FA12: 120 dB)

8000 Hz: -10 to 90 dB HL

Intensity Range (Bone Conduction)

250: -10 to 40 dB HL

500-750: -10 to 60 dB HL

1000-3000: -10 to 70 dB HL

4000: -10 to 60 dB HL

6000: -10 to 40 dB HL

8000: -10 to 30 dB HL

Intensity Range (Sound Field)

125 Hz: -10 to 50 dB HL

250 Hz: -10 to 70 dB HL

500 Hz: -10 to 80 dB HL

1000-6000 Hz: -10 to 85 dB HL

8000 Hz: -10 to 80 dB HL

Attenuators

Range: -10 to 110 dB HL in 5 dB steps (-2.5 dB button also available)

FA12 Model has additional +10 dB boost button

Accuracy: ± 1.5 dB

Signal Format

Warble: 10% frequency deviation at a modulation frequency of 5 Hz (± 0.5 Hz)

Pulsed: 2.5 Hz (± 0.5 Hz). 50% duty cycle (± 20%)

White noise: flat (± 2 dB) to 8 kHz

Speech noise: Weighted random noise with a sound pressure spectrum density constant from 250-1000 Hz, falling off at a rate of 12 dB/octave from 1-4 kHz, ± 5 dB.

Narrow-band masking noise: As defined in ANSI S3.6

Channel Inputs

Tone: pure, pulsed, warble, pulsed warble

Speech Microphone: with adjustable gain control

Noise: Speech, narrow band, or white

External: 100K input impedance. Min signal = 100 mV RMS. Max signal = 8V

VU Meters

Range: -29 to +3 dB VU

Accuracy: ± 1 dB at 0 dB ± 2 dB at -10 and -20 dB

Channel Outputs

Speaker: Four watts RMS typical into 8 ohm sound field speakers (optional)

Earphones: TDH39P: 100 ohm or Eartone 3A

Bone vibrator: B71, 100 ohm

Opposite channel routing available

Sound Field Speaker

± 7.5 dB, 250 to 4000 Hz

> 90 dB SPL output at 3 ft (1 m) with 3 watts RMS input at 1000 Hz at a 45° azimuth

Communications and Monitoring

Talk Back: Allows tester to listen to subject in sound booth (requires talk back microphone)

Talk Forward: Right speech microphone is switched into the outputs of both audiometer channels

Monitor: Stereo with volume control; both audiometer channels are monitored along with talk back microphone and patient response switch (tone)

Hearing Aid Simulator

Flat, -6 dB, -12 dB -18 dB, HFE slopes available

Special Tests

SISI, ABLB, MLB

Regulatory

Designed, manufactured, and tested to meet US, Canada, European and international regulations including: ISO 13485, IEC 60601-1, 93/42/EEC, ANSI S3.6, IEC 60645-1