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Old 28th May 2012, 09:31 AM   #1331
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Use +/-30V DC rail with 2 pairs TIP142/147 for 2 ohm load.
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Old 29th May 2012, 07:12 AM   #1332
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Quote:
Originally Posted by apexaudio View Post
Use +/-30V DC rail with 2 pairs TIP142/147 for 2 ohm load.
Hi
thanks Mr Mile slavkovic
i realy need dc, over load protect and short circut protection for Ax12 (B80).
can you help me please?
i need some think like Ax14 protection in post 1184 in page 119.
PLZ help me...
this is very important to me.
thank you.
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Old 29th May 2012, 03:04 PM   #1333
44250 is offline 44250  Serbia
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NE555 protection?
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Old 29th May 2012, 07:54 PM   #1334
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Originally Posted by 44250 View Post
NE555 protection?
Hi
i donot know.
may be it be good
in need some thing like ax 14 in post 1138
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Old 29th May 2012, 07:57 PM   #1335
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NE555 protection?
sory
post 1184 is corect
can you upload ne555 shematic please?
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Old 30th May 2012, 09:27 AM   #1336
AndrewT is online now AndrewT  Scotland
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555 is a timer IC. It is usually used to introduce a time delay for an action.
It is generally not used for protection.
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regards Andrew T.
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Old 30th May 2012, 11:16 AM   #1337
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guys...
i just need protection board for AX12
please
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Old 30th May 2012, 02:41 PM   #1338
trowa is offline trowa  Philippines
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Quote:
Originally Posted by apexaudio View Post
B500 with single pair of outputs can be use as Hi-Fi amplifier. Basicly B500 is symetrical descrite amplifier with common base input stage. OP amp is for DC servo and AC input buffer for low impedance emiter amp input.
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APEX AX-14 Schematics+PCB
Sir can you share sa pcb and schematic diagram of ax-12,,, thanks in advace sir
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Old 30th May 2012, 05:12 PM   #1339
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HI
AX12 is in 135post on page 14
227post on page 23
230post on page 23
my voltage raile is + - 30 VDC in 2ohm use
eny body can help me?
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Old 30th May 2012, 06:27 PM   #1340
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Quote:
Originally Posted by Hadighorbani View Post
guys...
i just need protection board for AX12
please
Use PA protect from B500 thread post #84.
500W PA amplifier with Limiter
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