Questions tagged [amplifier]

An amplifier is a device for taking a signal level electrical signal and increases it to a level that can be used to power a speaker

12 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
2
votes
0answers
2k views

Help me understand Class-D amplifier intrinsic noise

Introduction I've recently entered the prosumer/pro audio market by buying JBL LSR305 studio monitors and noticed that the tweeters produce constant high-pitched noise (most people apparently call it ...
0
votes
0answers
18 views

Would I benefit from a dedicated headphone amplifier?

I'm a home vinyl listener, and trying to wrap my head around impedance/wattage of headphones and amps, to see if I would benefit from buying a dedicated headphone amp. I'm currently using audio-...
0
votes
0answers
16 views

Audio interface output to guitar cabinet

I am using software to shape my electric guitar tone. Currently, my signal path is this: Guitar --> audio interface --> software --> audio interface --> headphones. I want the audio interface ...
0
votes
1answer
40 views

How to put a sound in my LG TV Signage 49VL5B-5

I have an LG screen Signage 49VL5B-5, It does not have a built in sound on this screen and wish to apply a sound on it. I do find a 2 audio socket that says (L and R with red and white color) with 8 ...
0
votes
0answers
58 views

Attenuating the amplifier volume: what is a better approach?

My Denon PMA-600NE is "too loud too quickly" with ELAC Debut 2.0 B5.2 speakers. Turning the master volume knob just ~20 degrees from zero position already takes it to a very high volume. I would like ...
0
votes
0answers
17 views

Amplifier to power a Project 2 turntable

I have a Project 2 turntable and have just bought some Dali Spektor 2 speakers. I have a 20 year old budget Cambridge Audio Amp and a basic Cambridge preamp bought a couple of years ago. I'd like ...
0
votes
0answers
32 views

Are amplifiers with optical in/out truly transparent?

I understand that bad amps introduce distortion and that is bad, but wouldn't the best amp be the one that is most true to the input signal, aside from amplitude amplification of course? Optical ...
0
votes
1answer
73 views

How can I get a stereo Bluetooth signal converted to a mono one?

I am trying to build a small singe driver full range active bluetooth speaker using some of those cheap class D amplifier boards you can buy everywhere on eBay etc. Many of them comes with a build in ...
-1
votes
1answer
345 views

Attenuator/volume control between amplifier and speaker

I have a setup where an amplifier with 2 channels drives four 8 ohms 80 watts speakers on each channel. The amplifier has a single volume knob which controls volume of both channels at once. What I ...
-1
votes
3answers
383 views

Converting a 3.5in mic input to line level portably

As I understand it, mic level input and line level input are two different things, with line level input having a much higher power level. In my case, I'm dealing with an old minidisc recorder that ...
-1
votes
1answer
33 views

Selecting proper amplifier output level

I am powering 6 CVS 8 Tannoy Ceiling speakers: https://www.tannoy.com/Categories/Tannoy/CVS/CVS-8/p/P0BSK The specifications say they have a 60W continuous operating power and a 240 Watt peak power. ...
-1
votes
1answer
197 views

I need some information about vintage tube amplifiers

Editing My question again. I need a Little HISTORY about Tube Amplifiers or Tube Sound, need Signal Processing theory of the same, Its Schematics and importantly need how it is RE-Modeled into ...