car amplifier design help

pavanmujumdra · 11th March 2009, 05:45 AM

Hi,
I am desiging a car amplifier. The details are as below
Sony Xplod speaker(40W RMS)
Input voltage is around 1v.
power to amplifier should be through a battery.
stand-by time should be around 2hrs.

can any one please help me out ASAP.

Regards
Pavan

raghs · 11th March 2009, 10:26 AM

You can never have a 1V powered Amp .. be realistic

Workhorse · 11th March 2009, 12:11 PM

Quote:

Originally posted by raghs
You can never have a 1V powered Amp .. be realistic

He is telling about voltage amplitude of input signal to amplifier not the supply voltage, he has already mentioned battery as power source.

read carefully.........!!

raghs · 11th March 2009, 01:35 PM

Quote:

Originally posted by pavanmujumdra
Hi,
I am desiging a car amplifier. The details are as below
Sony Xplod speaker(40W RMS)
Input voltage is around 1v.
power to amplifier should be through a battery.
stand-by time should be around 2hrs.

can any one please help me out ASAP.

Regards
Pavan

Have you decided how much output watts do you need? If you are satisfied with 19/20Watts then you can go for LA4440 from Sanyo.

Quote:

Originally posted by Workhorse

He is telling about voltage amplitude of input signal to amplifier not the supply voltage, he has already mentioned battery as power source.

read carefully.........!!

Oops, I misread it Workhorse..thanks for correcting me

arasuk · 11th March 2009, 01:45 PM

Hi pavanmujumdra,

How about TDA 1562

raghs · 11th March 2009, 02:20 PM

TDA1562 is a very good 70W RMS chip from Philips.. Pavan you can give it a try.

Arasuk, can you gv me ur cell number..I am building an amp around LA4440.

viki_v2 · 28th July 2009, 03:48 PM

hello arasuk ,
well i dont know a lot abt this forum , even then the work going on this forums is beautiful. i have some questions if you could guide me . well i want to make a 2.1 system ,for my brothers pc, a pair of floor standers and a good quality amplifier having output of abt 100 watt rms per channel for my home.

i thought of purchasing vifa drivers from corrson.com (Banglore) or peerless india 6.5"drivers, but haven't purchased it yet.

i came upon a schematic based on 2sc 2922 and 2sc 1216 sanken transistors. i dont have any technical knowledge. so please could you help a diy enthusiast in me get this things done. i am bored of listening to sony deck i have.

arasuk · 29th July 2009, 03:53 AM

Hi viki_v2,

corrson has stopped selling their drivers,, you can try peerless,,

post the schematic here,,

11th March 2009, 05:45 AM	#1
pavanmujumdra diyAudio Member Join Date: Feb 2009	car amplifier design help Hi, I am desiging a car amplifier. The details are as below Sony Xplod speaker(40W RMS) Input voltage is around 1v. power to amplifier should be through a battery. stand-by time should be around 2hrs. can any one please help me out ASAP. Regards Pavan

11th March 2009, 01:45 PM	#5
arasuk diyAudio Member Join Date: Dec 2003 Location: bangalore	Car Amp !!! Hi pavanmujumdra, How about TDA 1562 __________________ thanks a many for the diy audio for its existence.

28th July 2009, 03:48 PM	#7
viki_v2 diyAudio Member Join Date: Feb 2009 Location: India (Mumbai)	help for my tired mind hello arasuk , well i dont know a lot abt this forum , even then the work going on this forums is beautiful. i have some questions if you could guide me . well i want to make a 2.1 system ,for my brothers pc, a pair of floor standers and a good quality amplifier having output of abt 100 watt rms per channel for my home. i thought of purchasing vifa drivers from corrson.com (Banglore) or peerless india 6.5"drivers, but haven't purchased it yet. i came upon a schematic based on 2sc 2922 and 2sc 1216 sanken transistors. i dont have any technical knowledge. so please could you help a diy enthusiast in me get this things done. i am bored of listening to sony deck i have.

29th July 2009, 03:53 AM	#8
arasuk diyAudio Member Join Date: Dec 2003 Location: bangalore	Hi viki_v2, corrson has stopped selling their drivers,, you can try peerless,, post the schematic here,, __________________ thanks a many for the diy audio for its existence.

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11th March 2009, 10:26 AM	#2
raghs diyAudio Member Join Date: Nov 2008	You can never have a 1V powered Amp .. be realistic

11th March 2009, 02:20 PM	#6
raghs diyAudio Member Join Date: Nov 2008	TDA1562 is a very good 70W RMS chip from Philips.. Pavan you can give it a try. Arasuk, can you gv me ur cell number..I am building an amp around LA4440.

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