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30th September 2007, 04:27 PM
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#1 |
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diyAudio Member
Join Date: Sep 2007
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LM3876TF based sony amp, bridging ?
Hello
I am new to the DIY amp arena... I am sitting here with a Sony CD/Receiver module...opened it up and I find that the amp consists of two LM3876TF chips...searched online and they are rated at 56W @ 8ohms However my amp is rated at 2x25W???...it is even fan cooled.. My question is...can I somehow bridge the two modules together to make it a mono amp with greater output? Thanks  
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30th September 2007, 04:59 PM
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#2 | |
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diyAudio Member
Join Date: Aug 2002
Location: Sofia
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Re: LM3876TF based sony amp, bridging ?
Quote:
The max power depends not only on the chip but on the power supply as well. The transformer/caps may simply not be rated for higher power. Very easy to bridge with the help of a single inverting opamp stage. |
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30th September 2007, 06:14 PM
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#3 | |
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diyAudio Member
Join Date: Sep 2007
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Re: Re: LM3876TF based sony amp, bridging ?
Quote:
opamp stage...can you elaborate more on how this would be done? |
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30th September 2007, 07:14 PM
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#4 | |
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diyAudio Member
Join Date: Oct 2004
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Re: Re: Re: LM3876TF based sony amp, bridging ?
Quote:
http://sound.westhost.com/project87.htm |
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30th September 2007, 09:48 PM
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#5 | |
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diyAudio Member
Join Date: Sep 2007
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Re: Re: Re: Re: LM3876TF based sony amp, bridging ?
Quote:
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