Schiaramento/annotazione:For indemnification of weak and middle hearing losses with flat and êðóòîíèñõîäÿ
ùåé pure tone audiogram.
Descrizione del marchio dettagliata:Is medium frequency model. Has the wind-protective microphone entry,
the small sizes, the kind switch of frequency characteristic, combined
humanitarian aid with power switch (O-H-N). Company microphone "Íîóëñ" (U. S. A.) and owls
belt miniature electron components. The body
specially impact strength nontoxic the company plastic "the Baeyer is constructed of" (Germany).
the amplifier is fabricated using of surface mount technology
on printed circuit board, having the compensation of printed wires by the gold. The pita
the Nia is carried out from one battery of Ä-0, 03 house shall be allowed first bill of exchange
íåíèå of power supply element of type 675 or similar.
electroacoustic characteristics:
greatest àêóñòè÷åñêîåí the strengthening at frequencies:
1000 Hz 54+-4, 5 decibels
1600 Hz 50+-4, 5 decibels
maximal output noise level 125 decibels
frequency range in case of irregularity
400-4000 Hz 20 decibels
harmonic coefficient at frequencies, not more
500 Hz 10%
1000 Hz 5%
1600 Hz 5%
consumption current, not more 1, 5 mitotic activities
depth of stepless gain control, no less than 30 decibels |
