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ماژول آمپلی فایر میکروفون 750 میلی وات LM386
ماژول آمپلی فایر میکروفون 750 میلی وات LM386 ماژول آمپلی فایر میکروفون 750 میلی وات LM386 ماژول آمپلی فایر میکروفون 750 میلی وات LM386 ماژول آمپلی فایر میکروفون 750 میلی وات LM386

ماژول آمپلی فایر میکروفون 750 میلی وات LM386

کد انبار : 2265-95-3797
مدل کالا : 750mW-AMP
جستارش : A1-10-0806C
موجودی: 7
قیمت:
37,500 تومان

تعداد: - +
   - یا -   

ماژول آمپلی فایر میکروفون 750 میلی وات LM386

جهت دریافت دیتاشیت به این لینک مراجعه نمایید.

parameter:
1. Working voltage: 5V-12V (5V voltage is lower than the sound will be significantly reduced, the limit voltage can not exceed 15V); 
2. Operating Current: 1mA (static) to 150mA (MAX); 
3. To Speaker output impedance: 4 ohms - 32 Euro (high impedance voice, high efficiency, if there is no confidence in their own horn, you can buy the shop sold the speakers, the sound is very loud); 
4. supported speaker power: 0.5W-25W (in fact, any power speakers can by volume and speaker power not so much, as long as the amplifier output is greater than the rating on the line, big horn sound may be more points); 
5. output power: 750mW (MAX); 
6. the volume: 22.7 (D) mm * 13.5 (W) mm * 7.4 (H) 
7. mic preamp used for good effect, low noise and AC ripple, the output signal voltage is greater than 1V or more, driven by strong signal amplifier.

Instructions:
1. IN and GND amplifier board use shielded cable access electret microphone, note polarity access electret reversed after the sound will be little or no;
2. The amplifier board OUT connected speaker, speaker please stay away from the microphone to avoid self-excited noise;
3. Access the positive and negative DC power amplifier board 5 ~ 12V, please do not reversed, otherwise it will burn module;
4. The amplifier board comes with volume trimmer potentiometer, if you feel the sound is too large or too small can try to adjust.

Precautions:
1.00 soldering iron should be properly grounded;
2.Do not reverse polarity power input;
3.output connector speaker please stay away from the microphone;
4.Try to use battery power, if you use an adapter or the best in the positive and negative power supply in parallel on a suitable capacity capacitor to eliminate noise on the power introduced. Microphone input as much as possible the use of shielded cable, can effectively reduce the interference signal.

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