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Old 8th January 2012, 09:58 AM   #501
lelut is offline lelut  Indonesia
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hi Apex..

i want to continue this PCB project,
what the additional circuit to complete perfect power amplifier (PA),
for illustration:

input--->APEX550--->output

what kind of input and output circuit for best PA?
can give me the circuit schematics,

thanks
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Old 9th January 2012, 07:58 PM   #502
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With only 3 wire for connect this VU meter can be add to amplifier, and you have 4 LED display per channel.
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Old 10th January 2012, 04:56 PM   #503
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B550 upgrade with 16A peak current limiter.
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Old 11th January 2012, 02:42 AM   #504
lelut is offline lelut  Indonesia
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Quote:
Originally Posted by apexaudio View Post
B550 upgrade with 16A peak current limiter.
wow this schematic i need,...thanks apex,...
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Old 13th January 2012, 07:23 PM   #505
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Default amplifier matrix de 1500w

boa tarde aqui charlestron, do pais Brasil,gostaria de saber se algum membro des forum tem o layout + pcb do aamplifier matrix 1,4 de 1500e 2ohms, meu email -
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Old 13th January 2012, 07:53 PM   #506
tinitus is offline tinitus  Europe
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Quote:
Originally Posted by charlestron View Post
boa tarde aqui charlestron, do pais Brasil,gostaria de saber se algum membro des forum tem o layout + pcb do aamplifier matrix 1,4 de 1500e 2ohms, meu email -
Good afternoon here is charlestron, the country Brazil, I wonder if any forum member has the des + pcb layout of the matrix aamplifier of 1.4 1500e 2ohms, my email is -

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please post in english

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Old 17th January 2012, 10:13 AM   #507
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Quote:
Originally Posted by apexaudio View Post
B550 upgrade with 16A peak current limiter.
I am waiting for an upgrade B550w layout of mr mile hihi ........???
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Old 17th January 2012, 02:32 PM   #508
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Default BOS100

I find this paper (over 20 years old), single pair 2N3773 without zobel but with VI limiter.
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Old 18th January 2012, 10:16 AM   #509
jorjbg is offline jorjbg  Bulgaria
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LoL Apex, nice pcb! Do you have any files?
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Old 18th January 2012, 10:18 AM   #510
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Hi Mile, сan you give a better image of the PCB and the dimensions of the board itself or schematic?

Last edited by lyubcho88; 18th January 2012 at 10:28 AM.
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