Tagged Questions
1
vote
1answer
228 views
Maximize performance LM386 and 4Ohm speaker
I'm designing a very simple circuit which contains a microcontroller, an LM386 and a speaker.
I've previously asked a question:Help in designing a speaker driven by an LM386
and the answers helped ...
-1
votes
2answers
172 views
High wattage speaker using low wattage amplifier [closed]
If I have a 250W amplifier and I want to use a set of speakers:
subwoofer x 1, 4 ohms x 1
mid-rage x 1, 4 ohms x 1
tweeters x 2, 8 ohms x 2
with a combined handeling wattage that surpasses 250W. ...
0
votes
1answer
209 views
Testing a 0.3W, 8ohm speaker?
I have a 0.3W (RMS), .8ohm speaker coil + cone that I want to test using various music. However, the 8ohm impedance is lower than typical earbuds (24ohm), and also I can't find headphone jack power ...
0
votes
0answers
273 views
Best Speaker/Buzzer/Noise Maker for my project?
the project I am working on plugs into the headphone port of a cell phone and will be used over night. However, when you plug in anything to the headphone jack of a phone, the alarm gets rerouted to ...
0
votes
1answer
198 views
How can I hack a Bluetooth mono headset into a speakerphone?
I tried adding a speaker but the audio is too quiet for obvious reasons. I would like to use an 8ohm seapker and i think the headset uses a 32ohm earbud speaker.
What kind of amplifier would I use? ...
1
vote
1answer
696 views
Combine left and right channel at speaker level
I recently started a project to build an inexpensive speaker/amplifier that is portable enough to take outside easily. I purchased a center-channel speaker from a thrift store for $6 and an amplifier ...
1
vote
1answer
194 views
Adding microphone/amplifier to Gumstix Overo Earth COM?
I am new to hardware hacking in general. I have a Gumsitx Overo Earth COM and a Palo35 expansion board with audio in/audio out capabilities. According to Gumstix's wikipage on audio input, the ...
5
votes
4answers
631 views
building an audio amplifier for 2.5 ohm speakers
I recently dug out of my box o' stuff a pair of seemingly decent 2.5ohm bookshelf speakers. I wired them to an old mp3 player I have and while they sound good at low volumes, I get lots of distortion ...
