Questions about fixing speakers will be closed as off-topic.

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0
votes
1answer
58 views

Is a subwoofers RMS/peak wattage rating subject to the enclosure type?

The RMS and peak wattage rating of a subwoofer (or any speaker) show afaik how much power it can safely handle without damaging it. But is this true for both sealed and ported enclosures? (assuming ...
0
votes
2answers
98 views

What exactly does Watts and dB signify? [closed]

Now this is confusing. At some point i read that higher watts does not neccesarily signify high volume sound. An amp rated at 100w and other rated at 50w dows not mean the former is 2 times louder. ...
0
votes
2answers
53 views

Power cables for speakers, how much difference it makes

I have some Audioengine A5+ speakers, and I've been reading from a number of sources that the out-of-the-box power cable is of inadequate quality, and that a $75 cable like the Wireworld Stratus would ...
1
vote
1answer
46 views

Can an electrostatic loudspeaker be considered as a capacitor?

A basic capacitor works as two parallel plates carrying opposite charges and have an electrostatic force holding the charges in place (without making any contact); can't an electrostatic loudspeaker ...
3
votes
1answer
47 views

Problems with Atari Punk Console circuit

I am trying to build an APC using the following schematic: And the output is having some issues. Sound only comes out when the rightmost potentiometer is at 0 resistance, and in that position the ...
0
votes
3answers
66 views

convert self-powered speakers to passive

Is it possible to convert a self-powered speaker into a passive one? (and if yes, how?) My scenario: I have an old pair of PC speakers i'd like to use with my portable MP3 player even if there is no ...
1
vote
1answer
43 views

PC internal piezoelectric vs magnetic-driven speaker

Do magnetic-driven speakers provide better "quality" (more frequencies) than piezo speakers? Do they consume power even when not in use?
-5
votes
2answers
150 views

how to make speaker voice coil winding machine? [closed]

how to make speaker voice coil winding machine? Please help
1
vote
1answer
52 views

Accurate frequency output through external speaker

I'm creating an application where I want to output a constant frequency through a speaker to test the frequency range of a microphone device I've developed. The problem is, my application measures ...
2
votes
1answer
96 views

Making passive speakers louder [closed]

Just bought some passive waterproof speakers to be ceiling mounted in the bathroom. They're 80 watt, 8ohm, pretty bog standard. The problem is this - when we have e.g. an iPod plugged into a cheap ...
0
votes
1answer
304 views

Playing sounds using WTV020SD mini

I'm a beginner when it comes to electronics. So I want to play sounds using my controller and I am using a WT020-SD-16P I connected the module to my microcrontroller like in the picture. and added ...
0
votes
1answer
77 views

Is it possible to design this circuit with a single potentiometer (L-pad)?

I'm designing an L-Pad for my speakers. They attenuate the signal while keeping a consistent effective impedance, which is necessary for the amplifier and crossover circuits. Typically, these values ...
-1
votes
2answers
106 views

Why can i connect my headphone to my computer whitout additionnal amplification? [closed]

I heard somewhere that computer soundcard can't output high current. That is why computer speaker has amplifier inside them and require some external power to power up the amplifier. But what about ...
0
votes
1answer
38 views

Testing cellphone speakers out of circuit [closed]

What is the best low cost way to test a cellphone speaker out of circuit at the test bench level?
4
votes
4answers
439 views

How are speakers matched with audio amplifiers? (avoiding overloading either)

I know a similar question title has been asked, but I believe that does not answer my question (and I couldn't think of a better way to phrase the question). I'm a bit confused by how exactly an amp ...
0
votes
2answers
355 views

How do I Implement Soft Clipping in an Audio Circuit? Or should I just Attenuate the Signal?

I am designing an audio circuit that takes in line-level audio, amplifies the audio using an amplifier (most likely this 3.1w amp - http://www.ti.com/product/tpa6211a1#parametric) and outputs the ...
0
votes
2answers
280 views

Matching Audio Amplifier with Speaker (Watts Rating/Output)

Background When selecting an amplifier and speaker, you are usually provided ratings or output in watts. For a speaker you get maximum and nominal watts rating, while for an amplifier you get output ...
4
votes
3answers
485 views

trigger alarm with relay from PC sound output

As a total beginner, I have a project of creating an alarm device for a sailing boat. The background is the following: a Mac-mini collects, by means of different computer programs, alarms from ...
5
votes
3answers
195 views

How are loudspeakers able to play many different sounds at the same time?

I know this is kind of a lame question, but I wanted to know how loudspeakers are able to play so many different sounds at the same time. Like, in a song we can hear the voice of the singer and all ...
0
votes
2answers
149 views

Why does the voltage across the speaker oscillate in this circuit?

For my final exam, I decided to work on this circuit design available online. Sorry, I forgot the website. No credit is due to me. When I simulated this over at MultiSim 11, the voltage across the ...
2
votes
1answer
249 views

Connecting headphones to mcu

We need to connect a small speaker- a headphone one, to an Microchip Pic. I don't know whats the resistance of such speaker(it's very small) but I guess it's 8-ohm. (We are only using one headphone ...
0
votes
0answers
164 views

Use Dell Laptop internal speakers with Raspberry Pi

I have some speakers from an old Dell Latitude D600 that I and a friend took apart (his brother had managed to fry the motherboard?!!?) and so we salvaged some parts, one of which is the speakers. ...
4
votes
2answers
109 views

Where can I find specific examples of parameters for a loudspeaker circuit model?

When I look around for loudspeaker literature, I often encounter an equivalent electrical circuit model such as ...
1
vote
1answer
315 views

How can I attach a microphone and speaker to the Arduino GSM shield?

I recently purchased the Arduino GSM shield so that I could build my own low-tech cellphone. Now that I've successfully been able to send and receive text messages, I would like to add the ability to ...
0
votes
1answer
283 views

Volume control wheel problem [closed]

I have a Creative Inspire 2.1 speaker system. The problem is that the right side speaker does not produce proper sound unless I try and turn the wheel to a particular position. I have unscrewed the ...
3
votes
5answers
302 views

What is the best way to make a speaker louder

What are the pros/cons of adding more coils or getting a stronger magnet for a speaker? Are there other methods to make them louder keeping the power supplied to the speaker the same?
0
votes
1answer
152 views

8 ohm amp to 4 ohm speaker

I got amp which produce 2 x 30W output on 8 ohm. Is it possible for each channel to connect 60W 4ohm speaker? Is it possible to do such thing and how I can wire it?
1
vote
1answer
111 views

Combine stereo audio amplifier outputs

I got this receiver. Its output power is 2 x 30W on 8 ohms. My question is: is it possible to combine the power from these 2 channels and connect both channels to a single 60W speaker? And if it's ...
-3
votes
2answers
217 views

why a regular solenoid get hot soon while an audio speaker employed solenoid not? [closed]

I am building a solenoid based equipment. The problem with off the shelf solenoids I figure out is they become hot very quickly. & may burn soon too or at least are not optimal for a constant long ...
3
votes
1answer
356 views

Complex Dummy Speaker Load Impedance

I would like to create a dummy load for this so-called "Deacy Amp": This is a low power germanium transistor / transformer driven push-pull amplifier for driving a small 4 ohm or 3.2 ohm speaker. ...
3
votes
1answer
93 views

What does exactly mean the power specified in a speaker datasheet?

I'm making my own guitar tube amp, based on a Fender 5e3 project. The nominal power of the amp is around 15W. Next step would be to choose a speaker, that I already did, the speaker is a 12 inches (8 ...
2
votes
2answers
185 views

Schematics for device, which reacts to water?

After failed attempt to combine a resistive wetness sensor with a multivibrator ( How to trigger multivibrator (or similar) from collector? ), I'd like ask a direct question. What could be schematics ...
6
votes
3answers
439 views

Troubleshooting Circuit (Make: Electronics Experiment 11)

Would someone be so kind as to help me figure out why my circuit is not working? I am having difficulties with Experiment 11, Steps 2 & 3 in Charles Platt's book. The experiment is designed to ...
0
votes
1answer
231 views

Lots of noise in the microphone amplifier circuit when idle

I come again to get help from the experts. I am using this BJT transistor in the circuit. http://www.fairchildsemi.com/ds/2N/2N3904.pdf Here is the microphone that I am hooking up in the circuit. ...
1
vote
1answer
270 views

What is the output voltage range of computer headphone ports?

I made a simple microphone with amplifier which outputs 9V max signal. It's biased in the middle somewhere around 4.5V. I hooked the output of the circuit to the computer speaker audio in. I was ...
3
votes
2answers
192 views

What is the reason for adding a buffer stage?

I was following this microphone and speaker circuit and I could follow mostly but got confused when the author introduces a DAC buffer. http://www.instructables.com/id/Arduino-Audio-Output/?ALLSTEPS ...
1
vote
2answers
538 views

How can I integrate microphone and speaker into my microcontroller project?

Having never worked with mic and speakers in the past, I am experimenting with these. I already made a simple circuit with a mic (electret condenser microphone) and speaker. I used the above mic with ...
3
votes
4answers
750 views

Can a speaker be damaged but not blown?

If one plays too loud of a sound through a speaker, it can blow - i.e. become visibly torn or stop working entirely. However is it possible that the loud sound will damage it partly and result in the ...
1
vote
1answer
152 views

Reversing headset speaker to microphone

It's been a while since I've touched electronics, so bear with me :) Since I can not attach DTMF tones to an on-going phone call ...
2
votes
1answer
85 views

Estimated impedance of a 12V bleeper?

The bleeper(buzzer) I am using is rated for 12 volts DC. It is a piezo electric bleeper and the frequency is created by an internal oscillator. I am not aware with the functioning of peizo electric ...
0
votes
0answers
1k views

Convert Iphone 3.5mm pin to standartd Samsung Android 3.5mm pin

This is a simple question. I want the new Iphone EarPod to work with Samsung/Nokia phones. I tried to use the headphone to Samsung phones. Here is the result Here is the Universal 4-pole Cell ...
6
votes
1answer
148 views

Handling Transient Currents on USB Powered Devices

I'm working on a USB-powered speaker design and could use some thoughts or design inputs from the community. The data part is pretty simple - USB powers an I2S bridge that talks to an I2S amplifer. ...
0
votes
2answers
3k views

Connect speaker output to microphone input

What exactly is the difference between a microphone signal and a speaker signal? I want to make a simple cable to connect a PC speaker output to a microphone input. Does anyone have a good idea or ...
-3
votes
1answer
78 views

Power supply for speakers [closed]

I have two big speakers with only bare wires for input and a small alarm clock with a low voltage output. I was wondering how I would supply more power to the speakers (there are two of them)? I was ...
1
vote
1answer
830 views

Running small external speaker via 3.5mm connection

In short the question is: how can I get the audio from the 3.5mm port of my Raspberry Pi board to play through a small external speaker? Space is a concern in this project I will only have a few ...
8
votes
1answer
270 views

Are the two wires of a speaker identical?

I am working with speakers for the first time. There are two lines, one black and one white. Are they the same? Is one defined as hi-voltage and another as low?
-1
votes
2answers
96 views

Mono audio track on two speakers

I have a mono audio signal which I want to output on two boxes. Can I just connect the speakers in series or parallel (which?) or do I have to do something more advanced (and if so, what)?
3
votes
1answer
691 views

Wiring a 1920s intercom to a contemporary door-entry phone

I have recently purchased a 1920s wall-mounted intercom: I would like to connect this unit to our existing "4+n" door entry phone system, replacing the cheap plastic handset that we currently use ...
1
vote
1answer
92 views

Confused about the way this speaker is wired

From this article: I don't understand why one end of the speaker is connected to the + of the battery. If the output of the 555 goes into one end of the speaker, shouldn't the other end of the ...
1
vote
2answers
1k views

Combining Left and Right Hook Speaker Wires Into One Speaker

So I have an mp3 player, http://dx.com/p/94814, and the mp3 player comes with a left and right speaker output. For my equipment, I only have one speaker, not two. Can I just combine the left and right ...