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PT2399 NE5532 Karaoke Board Microphone Amplifier Board Preamplifier Reverbe T8H1 1.Must check all elements, be wrong location, oppositedirection, be joined of all back Sn points;
2.Test 7812 7912 voltage +-12V,zener diode 5V;
3.Insert NE 5532 and PT 2399,then sound test;
4. All ok, can fix it in cover.
5. a DIY version
size:11.4*4.2cm
Material:metal
colour:blue
Package Contents:
1 * Microphone power amplifier board
Only the above package content, other products are included.
e: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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Category: Sound and Vision:Home Audio and HiFi Separates:Amplifiers and Pre-Amps
Location: Shenzhen