L'explication/l'anotation:Powerful broad-band apparata. For correction on aerial çâóêîïðîâåä
åíèÿ of middle and strong hearing losses, mainly in HF
range.
La description détaillée de marque:Characteristic properties:
- the high reliability, secured by the technology application ïîâåðõíî
ñòíîãî assembling;
- two-cycle (push pull) output stage, providing ýêîíîìè÷íîñ
apparata Ti in case of high-power;
- low-lying level of nonlinear distortions in case of high amplification;
- high-sensitive spark inductor, providing large growth hormone GH
îìêîñòü in case of conversation by telephone.
has following adjustments:
- gain control;
- unefficient controller of ÂÓÇÄ (ïèê-êëèïïèðîâàíèå);
- unefficient tone control of low frequencies;
- switch - telephone - ìèêðîôîí/òåëåôîí - microphone (Î-Ò-Ì.
the technical characteristics (is given at standard of IEC 118-7/94 ( 2ññ)
the maximal acoustic strengthening 72+/-4 decibel
the ÂÓÄÇ restriction at frequency 1, 6 kHz 15 decibels
the maximal output noise level 133 +/- 3 decibels
the frequency range 0, 3-6, 0 kHz
the harmonic coefficient
typical 2%
maximal not more 5%
set out to input the level of self noises not more 25 decibels
the tone control of low frequency at frequency 300 Hz 17 +/- 2 decibels
the sensibility of spark inductor 115 +/- 4 decibels
the consumption current not more 1, 3 mitotic activities
Type of power supply element 675 |
