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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

9 questions with no upvoted or accepted answers
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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 ...
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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 ...
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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 ...
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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 ...
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1answer
58 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 ...
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1answer
228 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 ...
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3answers
170 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 ...
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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. ...
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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 ...