Power requirements for small DIY speakers?

unspeakable

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Oct 13, 2017
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I have no idea, about anything on powering speakers. Information is below.I want to set it up so that is as loud as possible with good-decent audio quality.

I am planning to use Triple A Batteries for this project. These are 1.5v 1Amp
Amp - Output Power: 0.1W-5W ;4-32 Ohms
Supply voltage: DC 1.8-12V
Input Interface: 3.5mm Audio input
Adjust form: volume adjustment

Speakers-
Type: Passive

Channels: 1

Impedance: 8 ohm

Power: 1.0W

Max Power:1.5W

S.P.Z:100dB

FO:
550±20%Hz

Frequency Range:
FO-8000Hz

Distortion:
10% Max at 1000Hz 1.0W.
 

JoeMomma

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Nov 17, 2010
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Even though I'm an engineer, I don't do calculations for projects like that.
With all due respect to my audiophile friends, 1.5 W speakers are not rocket science.

I Just Wing It!

Be brave. Experiment.
What's the worst that can happen? So you lose a few bucks.
But you will have learned something.
 
You want you build yourself a powered portable speaker? Tripple A batteries usually means "AAA", and these will last you for couple of songs only. And the specs you've listed does not make any sense, either.

CHeck a site like Instructables for DIY projects.
 

JoeMomma

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Part Express will have everything you need and cheap.
https://www.parts-express.com/

In November I found a Phillips 5-speaker soundbar in the dumpster.

I took it apart to remove the center speaker to make room for the amp.
Rewired the 4 remaining drivers to be in stereo.
Cut a hole in the back so a $10 Part Express 18W amp could hang out
and used the biggest power supply (14.4V - 3A) the amp could take.

My GF loves her new speakers. They are much clearer and louder than the old ones.
 

unspeakable

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Oct 13, 2017
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Ok. I contacted the seller and they said it was 1-1.5 Watts at 1V. That means the amperage is from 1-1.5. Now how much power should I be giving the Amp in Volts and Amps for the maximum on these speakers.
 

JoeMomma

Distinguished
Nov 17, 2010
55
0
18,610
19

Even though I'm an engineer, I don't do calculations for projects like that.
With all due respect to my audiophile friends, 1.5 W speakers are not rocket science.

I Just Wing It!

Be brave. Experiment.
What's the worst that can happen? So you lose a few bucks.
But you will have learned something.
 
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