LM3886 vs TDA7294

panson_hk · 28th August 2007, 04:05 AM

Has anyone compared these two chip amps?

raindog · 28th August 2007, 04:46 AM

Just from looking at the data sheets the clear winner is LM3886 ( lower THD, better slew rate -almost double- , simpler schematics ), but I've never build an amp with TDA7294 so I can't say anything about the sound.

goldkenn · 28th August 2007, 02:29 PM

If you like so call tube sound, then TDA7293/4

SunRa · 28th August 2007, 02:42 PM

I liked the sound of tda7294 I build, however i didn't build a 3886.

I've build though it's cousin, LM1875 and I was impressed. I thought it was better than the tda. I've listened both on the same sistem so I could compare them quite acurate.

ashok · 28th August 2007, 03:22 PM

"........Just from looking at the data sheets the clear winner is LM3886 ( lower THD, better slew rate ......"

That would make most tube specifications too bad.... unlistenable !
You don't really mean that .......do you ?

raindog · 28th August 2007, 07:29 PM

ashok

I didn't meant to say anything bad about tube amps or any other topology ( they all have pros and cons - I'm actually planning to build a tube amp myself one day ); all I said is that LM3886 has better electrical characteristics ( and it's simpler to build an amp with )

best regards

Paul (raindog)

ashok · 29th August 2007, 02:43 AM

Leolabs · 29th August 2007, 02:46 AM

Sounds like BJT vs MOSFET again.

ashok · 29th August 2007, 03:06 AM

I think my TDA's should now be set up as the LM vs TDA question has come up again. All components being the same type ( psu , caps and resistor etc ).

I didn't get it done so far due to various other issues. I have the 7293 and 7294 . But I guess it's better to try the 7293 first.
Cheers.

jaycee · 31st August 2007, 12:52 AM

The chips from ST are quite often used in low end car stereos and in computer speakers. The LM3886 beats the crap out of them.

28th August 2007, 04:05 AM	#1
panson_hk :) diyAudio Member Join Date: Aug 2005 Blog Entries: 10	LM3886 vs TDA7294 Has anyone compared these two chip amps?

28th August 2007, 03:22 PM	#5
ashok diyAudio Member Join Date: Jun 2002 Location: 3RS	"........Just from looking at the data sheets the clear winner is LM3886 ( lower THD, better slew rate ......" That would make most tube specifications too bad.... unlistenable ! You don't really mean that .......do you ? __________________ AM

29th August 2007, 02:43 AM	#7
ashok diyAudio Member Join Date: Jun 2002 Location: 3RS	__________________ AM

29th August 2007, 03:06 AM	#9
ashok diyAudio Member Join Date: Jun 2002 Location: 3RS	I think my TDA's should now be set up as the LM vs TDA question has come up again. All components being the same type ( psu , caps and resistor etc ). I didn't get it done so far due to various other issues. I have the 7293 and 7294 . But I guess it's better to try the 7293 first. Cheers. __________________ AM

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28th August 2007, 04:46 AM	#2
raindog diyAudio Member Join Date: May 2003 Location: Timisoara	Just from looking at the data sheets the clear winner is LM3886 ( lower THD, better slew rate -almost double- , simpler schematics ), but I've never build an amp with TDA7294 so I can't say anything about the sound.

28th August 2007, 02:29 PM	#3
goldkenn diyAudio Member Join Date: May 2005 Location: HK	If you like so call tube sound, then TDA7293/4

28th August 2007, 02:42 PM	#4
SunRa diyAudio Member Join Date: Aug 2004 Location: Romania	I liked the sound of tda7294 I build, however i didn't build a 3886. I've build though it's cousin, LM1875 and I was impressed. I thought it was better than the tda. I've listened both on the same sistem so I could compare them quite acurate.

28th August 2007, 07:29 PM	#6
raindog diyAudio Member Join Date: May 2003 Location: Timisoara	ashok I didn't meant to say anything bad about tube amps or any other topology ( they all have pros and cons - I'm actually planning to build a tube amp myself one day ); all I said is that LM3886 has better electrical characteristics ( and it's simpler to build an amp with ) best regards Paul (raindog)

29th August 2007, 02:46 AM	#8
Leolabs diyAudio Member Join Date: Dec 2004 Location: Bukit Mertajam	Sounds like BJT vs MOSFET again.

31st August 2007, 12:52 AM	#10
jaycee diyAudio Member Join Date: Apr 2004 Location: Norwich, UK	The chips from ST are quite often used in low end car stereos and in computer speakers. The LM3886 beats the crap out of them.

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