Questions tagged [speakers]

A speaker is a device which converts an electrical audio signal into a corresponding sound. Questions about fixing speakers will be closed as off-topic.

A speaker is a device which converts an electrical audio signal into a corresponding sound.

626 questions
10
votes
2 answers

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 http://en.wikibooks.org/wiki/Acoustics/Acoustic_Loudspeaker#Modeling_the_loudspeaker_as_a_lumped_system (image shown from the linked…
Thomas Arildsen
  • 211
  • 2
  • 7
5
votes
4 answers

What should attaching another magnet to the back of the speaker magnet do?

The dupe speaker I have here 8 \$\Omega\$ 0.5W had it's magnet split from the coil/cone. So I did something thoughtless - attached the speaker magnet to the back of the other speaker (same specs). I don't notice any difference except (this may be…
Everyone
  • 3,021
  • 9
  • 35
  • 49
5
votes
6 answers

High impedance loudspeakers

Available speakers all seem to be low impedance like 4 or 8 ohms etc. Philips used to make speakers of 800 ohms for their SRPP valve stereo amplifiers. The speakers weren't that great even in 1958. But the SRPP amplifier is still valid and…
Autistic
  • 14,616
  • 2
  • 28
  • 65
4
votes
1 answer

Which speaker is better for an application based on it's datasheet

Given two speakers and their datasheets what should I be looking at to determine if one is better for me than the other? I realize this could be a broad question, but I'll frame it in my context. I'm mainly interested in the 100Hz to 400Hz range,…
confused
  • 1,806
  • 1
  • 20
  • 34
3
votes
3 answers

What does the third wire on this speaker do?

I salvaged two large speakers from an old iPod player/alarm clock device. Each of the speakers have three wires tied to it. There is a positive and negative and a third which I assume is ground since it is tied to the thick metal casing. I…
Phyllostachys
  • 315
  • 1
  • 4
  • 11
3
votes
3 answers

connect 2 speakers to act as a telephone

I've got this very faint memory from my childhood that my dad connected 2 pieces of old, 5 cm diameter speakers to each other with a 10 meter wire. And without any other equipment, it would transmit the sound between rooms. Not loud or anything, but…
user47093
  • 133
  • 3
2
votes
0 answers

How to approximate/model a speaker

I am working on driving an 8 ohms speaker. I am currently modelling(in Ltspice) it just as an 8 ohms resistor. However this is probably far from being realistic. I don't want/need too much precision however. So how can I model a speaker with…
muyustan
  • 2,086
  • 24
  • 60
2
votes
0 answers

How to prevent my audio amplifier cutting out?

Design Problem: Since I moved into my dormitory for university, I wanted to have a simple audio setup which had a good frequency response. Therefore I bought the Edifier R1280DB, a bookshelf speaker. However, since I'm a basshead I really missed the…
2
votes
3 answers

Speaker Frequency Range and Frequency Response

What is the difference between frequency response and frequency range of a speaker? How do we measure frequency range and frequency response?
Hemus San
  • 113
  • 2
  • 5
  • 10
2
votes
2 answers

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?
eadmaster
  • 279
  • 6
  • 14
1
vote
1 answer

Volume control wheel problem

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 controller and it looks like this: What should I…
techno
  • 203
  • 1
  • 6
  • 11
1
vote
1 answer

Replacing a compressor/whistle with speaker for coaching program?

We have a current setup of using a whistle in coaching situations for starting sequences. I built a small RaspPi box that, through a 12 V relay, will enable a compressor with a regular coach whistle attached. I'd like to replace this with a speaker…
bcardarella
  • 121
  • 2
1
vote
1 answer

What brand is this buzzer?

I have been searching for this buzzer for weeks. Does anyone know what brand it is? It is a surface mount buzzer. I need to know the brand. Approximate dimensions: 8.7 mm x 8.7 mm x 3.25 mm
BlueSky
  • 97
  • 1
  • 9
1
vote
0 answers

Buzz/hum from powered desktop speakers

I’ve been trying to revive a set of vintage Apple-branded powered desktop speakers. Nothing more than a gunked up potentiometer and a broken solder joint on the input and they’re now working again. There’s however a constant hum/buzz coming from…
1
vote
1 answer

Grounding apparently causes volume increase in speaker

I have a pair of speakers connected to a subwoofer. The second speaker is barely audible, until I touch (but without necessarily turning) the volume control knob on the first speaker. As long as I am touching the knob, it emits sound. This is the…
curly
  • 31
  • 3
1
2 3