Explicação, anotação:For correction and indemnification of weak and middle (II-III degrees) losses
hearing.
Descrição porminorizada da marca:Characteristic properties:
- deep tone control;
- high reliability , secured by the technology application superficially
assembling ãî; -
the efficiency, îñíîâàííàÿíà rational scheme, providing the ïðîäîë
the æèòåëüíóþ work of power source and minimal distortions.
has following adjustments:
- gain control;
- unefficient tone control of low frequencies.
technical characteristics (at standard of IEC 118-7/94 (2ññ is given)
maximal acoustic strengthening 55+/-5 decibel
maximal output noise level 125 decibels
frequency range 0, 4-4, 0 kHz
harmonic coefficient
typical 2-3%
maximal not more 10%
set out to input level of self noises not more 25 decibels
tone control low frequency at frequency 500 Hz 18 decibels
consumption current not more 1, 0 mitotic activity
type of power supply element 675 |
