HIT Box

Drum

HIT Box

Drum

Drum is a hearing instrument test box (HIT) capable of an impressive ambient sounds attenuation, and featured with all the standard tests for evaluating performances of air conduction hearing aids. Directly controllable from the Maestro software, Noah compatible and equipped with coupler and all adapters for any type of hearing aids, Drum is the perfect solution for those most demanding users who are not willing to compromise on user friendliness of their instrument.

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AUTOMATIC TEST SEQUENCES

Both IEC 60118-7 and ANSI S3.22 standard sequences for Hearing Instrument testing are available on Drum. Automatic protocols with selectable tests, and tooltips for user actions required are specially developed for simplifying the testing procedure.

HIGH ATTENUATION OF AMBIENT NOISE

Size and shape of Drum are engineered to maximize the attenuation of ambient noise and minimize the internal sound reflection. Made of wood, featuring an egg-shaped internal chamber and, thanks to the sound-transparent foam at the bottom, offering a floating positioning of the hearing aid exactly in front of the speaker, Drum is the perfect test box for getting the highest quality test results.

COMPUTER CONTROL

Connect Drum to the USB port of your Windows® computer, the electrical grid, and you are ready to go: no drivers and no additional cables required.
You can control Drum through the amazingly user-friendly Maestro software interface and, if need be, transfer the data directly to Noah.

Efficient

High attenuation of ambient sounds

Engineered to maximize the attenuation of ambient noise and minimize the internal sound reflection.

Simplified procedures

Automatic protocols

Automated protocols with selectable tests are specially developed to simplify the testing procedure.

Advanced

RECD functionality

It can be used as a RECD if combined with Trumpet.

Available measurement modalities	Single-curve or multi-curves Standard or custom measurements
Available tests	OSPL90, Full On Gain (FOG), I/O, Attack/Release,Frequency Response,Equivalent Input Noise, THD, Battery Drain, Telecoil, Frequency Measurement (sweep or broadband)
Available outputs	Loudspeaker or Telecoil
Available stimuli	Pure tone, sweep or broadband stimuli
HIT: frequency, intensity and measurement	Frequency range: 125 Hz – 10 kHz (HIT), 125 Hz – 12 kHz (RECD with REM module) Frequency resolution: 1/3, 1/6, 1/12, 1/24 per octave Intensity range: 40 – 100 dB SPL Coupler intensity range: 40 – 145 dB Reference microphone measurement: Omni-Directional Telecoil stimulation range: 10-100 mA/m
Internal chamber	Egg-shaped (Minimum sound reflection) Internal dimensions: 15x25x13cm H.A. position: Floating, on acoustically-transparent material, in front of the loudspeaker Loudspeaker features: 3”, full range
Available couplers	2cc coupler for hearing aids with ITE, RIC and BTE adapters
Battery simulators	Standard 10A, 13, 312, 675
Monitoring	Operator interface for coupler monitoring
Calibration	Validity: 12 months
Computer interface	USB connection (driverless) Compatible software: Inventis Maestro (Noah compatible)
Minimum system requirements	Refer to Maestro software technical specifications for indications about the minimum system requirements
Power supply	Power supply: 15V, 2A cont., through an external medical grade 100-240 Vac 50/60 Hz power supply
Mechanics	Size (WxDxH): 31.5x32.5x22 cm / 12.4x12.8x8.7 in Weight: 7.5 kg / 16.5 lbs

Technical Sheet

Drum

Drum

Technical Data

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