Sound Design Stack Exchange
Sound Design Stack Exchange

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

141 questions
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Looking for a compact light-weight Mono power amplifier

I know this is a sourcing-question and these are frowned upon, but I've been searching for a while now, and can't seem to be able to find a compact, light-weight 1-or-2 channel amplifier with balanced input. I would need it for a 50W RMS speaker.…
evsc
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Troubleshooting amp clicking and muting the speakers

I am trying to use an old amp (marantz pm47 - nominal 40 watts per channel into 8Ω) with a pair of speakers (Kef Coda 7 - nominal 10-70W at 6Ω). Every so often it clicks (the same like the power-up click) and it mutes the speakers. It recovers after…
Dan
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How to check used amplifiers?

When buying used amplifiers: Is there a way to check if they are still working, are in good condition and will not die at the next possibility? Checking used speakers is easy, but I have no idea how to do that for amplifiers. Thus: Are there general…
arc_lupus
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240 Hz 'noise' coming from speaker

I have an annoying little noise that is constantly emanating from my speakers. At first upon Googling I thought it was the usual hum, hiss, or whatever sounds that is the by-product of a normal audio configuration. Although the sound persists even…
Sebastian King
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Left channel dropped on TA-5650

I have a TA-5650 VFET amp. It has worked great for years, but every once in a while it would drop the left channel. A few times now I have blown the case out with air and the problem has gone away for a year. But it keeps coming back, and now…
schmmd
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Connect XLR microphone to amplifier

I am not able to get sound output from my microphone. How do I Connect my XLR microphone to the amplifier. The amplifier does not have a mic input. Which slot do I use in that case. Amplifier is Onkyo HT-R340 and microphone is Ahuja AUD 100XLR…
user23480
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Amp optical in with stereo cable out

I've got a tv in my outdoor area as well as some stereo speakers built into the roof. There are stereo cables which lead from the speakers to where the tv is. I recently bought a budget amp which was Lepai Size: LP-2020A to get sound playing from…
Richie
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How are tube amps constructed?

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 a DSP Plugin. (either by Programming or Capturing Impulse Responses) Please Help…
CHINDICHOR
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Is it mandatory to let tube amps warming up ? What are the risks of not doing that?

I heard literally everywhere that it is really important to let my amp warming up for some minutes before playing the guitar (or give some audio do the input). Strange thing is that the recommended time is different everywhere ! I red between 30 sec…
Welgriv
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How to use a wireless mic with computer mini speakers for trade show

Working at our booth at a trade show, behind a table. I need gentle amplification to augment my voice when talking across the table to an handful of attendees. (Show floors are noisy!) I have a wireless mic: https://www.pyleaudio.com/sku/PDWM1904.…
RobertFrank
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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. I am powering all 6 speakers on one channel of one…
Hurricane Development
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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 a DSP Plugin. (either by Programming or Capturing…
CHINDICHOR
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