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Passive LED VU meter
Passive LED VU meter
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Old 22nd August 2010, 07:18 AM   #1
adannel is offline adannel  Philippines
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Join Date: Aug 2010
Default Passive LED VU meter

High guys!

Anybody who has a design of LED VU meter that don't use IC chips on resitor and zener diode and without using external power supply. it is connected directly to the speaker terminal.

I've made this already but unfortunately i've lost the design and forgot the value of the resistors and diode.

i need a design for a 20 watt amp.

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Old 31st August 2010, 05:58 AM   #2
musician9 is offline musician9  United States
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Location: Beautiful Southern Oregon, USA
This might help: Six-LED Bar Power Indicator - RED - Page102

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