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Color music device (3x3 LEDs)

PRICE 12.20 BGN
1+ 12.20 BGN
3+ 11.30 BGN
5+ 10.60 BGN
10+ 9.95 BGN
 
Product Code:
435770
Manufacturer:
HOBBY KIT
Manuf. Code:
1525
Price for: pc
Stock 1pc
435770 - Color music device (3x3 LEDs)
Your questions:
Transistors based device.
Tl and T2 - microphone preamplifier, PI serves to control the microphone response.
Filters with R6 and C5 - low frequencies; C7,R7 and C8 - middle range frequencies and C10 - high frequencies.
Power supply: 9~18V
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