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Old 29th October 2012, 08:38 PM   #1
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Question REPLACE TIP36 + 2N3055 IN TDA2030A

Possible to Replace (2*2n3055) with (2*TIP35) in circuit power-amp-super-bridge-120w-by-ic-tda2030a
whats power of amp with this change?

Possible to Replace (2n3055 and TIP36) with (BD907 + BD908) in circuit TDA2030A+ BD908+BD907
whats power of amp with this change?
Attached Images
File Type: gif power-amp-super-bridge-120w-by-ic-tda2030 -2.GIF (62.2 KB, 149 views)
File Type: gif TDA2030A+ BD908+BD907.GIF (51.0 KB, 148 views)
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Old 29th October 2012, 08:51 PM   #2
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I remember BD 249/BD250
With dual 16 V supply @5A
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Old 29th October 2012, 08:58 PM   #3
Boscoe is offline Boscoe  United Kingdom
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The first schematic won't work.

Forget these schematics they are rubbish, won't perform very well at all if you could get them working reliably (if your lucky) and good simple amp is something like LM3886.
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Last edited by Boscoe; 29th October 2012 at 09:01 PM.
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Old 29th October 2012, 08:59 PM   #4
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Quote:
Originally Posted by picowallspeaker View Post
I remember BD 249/BD250
With dual 16 V supply @5A
??? Whats Remember?
Vce of BD249 &BD250 IS 45V
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Old 29th October 2012, 09:01 PM   #5
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Quote:
Originally Posted by Boscoe View Post
The first schematic won't work.
Why ?
mistake schematic or .....
please explanation you
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Old 29th October 2012, 09:04 PM   #6
Boscoe is offline Boscoe  United Kingdom
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Quote:
Originally Posted by mostafagordy View Post
Why ?
mistake schematic or .....
please explanation you
If you was to build the circuit and measure the voltage across the emitters of the BD249/50 on one of the amps what would you measure?
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Old 29th October 2012, 09:06 PM   #7
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The first schematic works ( or used to ) !
I's an application of ST and oh, yes, there's an error...
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Old 29th October 2012, 09:07 PM   #8
Boscoe is offline Boscoe  United Kingdom
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Quote:
Originally Posted by picowallspeaker View Post
The first schematic works ( or used to ) !
I's an application of ST
Quote:
Originally Posted by Boscoe View Post
If you was to build the circuit and measure the voltage across the emitters of the BD249/50 on one of the amps what would you measure?
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Old 29th October 2012, 09:51 PM   #9
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Quote:
Originally Posted by picowallspeaker View Post
The first schematic works ( or used to ) !
I's an application of ST and oh, yes, there's an error...
your better schematic for test(simple) only TDA2030A ??
please Guide me
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Old 29th October 2012, 09:53 PM   #10
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please send url of good schematic for test TDA2030A (SIMPLE)
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