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

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1answer
42 views

How can I reduce hi-fi amplifier latency?

I've currently got a semi-home-studio cobbled together using bits and pieces that I had lying around. I've noticed that when I play my instrument through speakers, there's noticeable latency, about ...
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1answer
29 views

Can I use one of these common USB audio interfaces with Sony F-99B dynamic mic?

I got an age-old Sony F-99B dynamic microphone lying around while I was looking for gear to shoot an interview-style podcast. Now, I understand that dynamic mics output mic level signals that should ...
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1answer
22 views

I am not getting any sound out of my PA system. Did I connect something incorrectly?

I have a NUMARK M6 USB 4 channel mixer with LEFT and RIGHT Balanced XLR output connected to channel 1 and channel 2 of my AUDAC EPA252 power amplifier respectively. My speaker is a passive HYBRID ...
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1answer
20 views

Is it safe to play/drive a speaker(60w, 8ohm) with a connection from 3.5mm jack

Here are the details. My guitar amplifier is a combo amp which means it has a built in speaker. The speaker is 12 inches and is rated at max power of 60w and has impedance of 8ohms. The amp also ...
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1answer
31 views

Why has my amplifier different sample rates for usb and spdif?

I have an emotiva ta-100 amplifier with 96khz/24bit usb and 192khz/24bit spdif. I always assumed it uses the same dac for both, so why does it have different sample rates for each input? I could ...
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0answers
18 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 ...
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2answers
53 views

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 ...
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1answer
105 views

Why does this balanced/unbalanced setup work?

I've just learned about balanced and unbalanced audio connections and so I started trying to figure out which pieces of my equipment have what. My Roland U-220 sound module appears to have unbalanced ...
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2answers
121 views

Calculating noise in dB produced by microphone pre-amplifiers

I need to know whether my pre-amplifier or my microphone is limiting the sound quality (in terms of noise) of my recording setup. The sound recorder (SM2Bat+, Wildlife Acoustics) has a specified ...
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0answers
76 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 ...
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2answers
80 views

How do I connect an amplifier to a PC?

I have a guitar amplifier and I am wondering if I could connect any of its outputs to a PC microphone input on the motherboard through a 6.3 mm. to 3.5 mm. adapter. Or it will not work and ...
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2answers
2k views

Why do some audio amps use AC while others use DC

In particular I am looking at the JDS Labs Atom and the iFI iCan SE. The iCan outputs a tremendous amount of power, 4 times that of the Atom, enough to drive speakers; But does so less cleanly, at-...
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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 ...
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1answer
236 views

Connecting Condenser Mic to an amplifier then to PC? [duplicate]

I have BM800 condenser microphone which produces really low volume because it needs to be connected to a phantom power, I don't have a phantom power but I have an old Pioneer SA-600 amplifier. How do ...
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1answer
19 views

How do I power a Yamaha EMX5?

I know basically nothing with about audio engineering and need some help. I just recently bought a Yamaha emx5 powered mixer. What is the best way to protect it from a power surge? Do I need a power ...
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1answer
51 views

Connecting a subwoofer to a 2 channel amplifier [closed]

I'm building a bluetooth speaker, but I'm not satisfacted with the low frequencies, so I decided to add a subwoofer. At the moment I haven't decided which subwoofer exactly, but I'll will be a 4 or 8 ...
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1answer
87 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
112 views

Is it safe to convert rca to xlr

I have a pre-amplifier of which the outputs are RCA. Now i want to buy new active speakers but those only have 3pin-XLR input. is it safe for both my amplifier and active speakers just to use a simple ...
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1answer
27 views

How to determine DC Amperes required for Amplifier?

I'm trying to understand if there's any relationship between the rated wattage (RMS) of an audio amplifier and the corresponding power requirements on its power supply. Practically, if I buy an ...
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4answers
106 views

Why is 1000W pro Amp delivering less SPL than 100W cheap amp?

I'm designing an internal sound system for an outdoor sound sculpture. Audio quality is important but volume (sound pressure) is what's most critical in this application. I have auditioned many ...
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1answer
488 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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1answer
147 views

Dynamic mic to XLR input

I bought this ammoon F4 mixer on Amazon, and I need help connecting a dynamic microphone to it. The mic channels have XLR and TRS inputs. The TRS is marked "LINE" and it works only with line signal ...
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1answer
1k views

Does a 64 OHMS Headphones require an amplifier? [closed]

I recently bought a pair of HD7 from Presonus (https://www.presonus.com/products/HD7) which are 2 x 32 ohms headphones. They sound good but not as good as I though they would. Would that be due to ...
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2answers
544 views

It's impossible, how do I get a lightweight, portable, loud busking amp/PA?

Without going really big, I don't know how to do this. So far I use a Roland Mobile AC amplifier. It's just 5 watts, but it sounds beautiful and it's tiny, fits in my backpack, powered by 6AA ...
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1answer
120 views

Combining multiple Speakers Impedance - what is the preffered way?

I'm building a custom sound system using the HiFi Berry Amp2 which claims to [...] "work with all speakers or 4-8 Ohm impedance. It supports sample rates from 44.1-192kHz (16-32bit)." According to ...
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2answers
4k views

Connecting guitar amplifier to mixer via headphones out

I have a Peavey Vypyr Tube 60W guitar amp and Yamaha mg10xu mixer. I'd like to mix my amplifier's sound with some background track (which I'm already sending to the mixer correctly) and send ...
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3answers
643 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
72 views

Mixing amplified signals of a 2.1 amp and outputting them to 2 speakers

I would like to mix the dedicated bass output of this amp with both the left and right channels and output the respective combined signal (L+bass, R+bass) on a set of two 200W, 4 Ohm speakers. A ...
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3answers
14k views

How to filter hiss from amp to speakers? [closed]

I picked up an inexpensive 2x120W amplifier to drive my 8-ohm desktop speakers, and it produces a bit of a hiss, particularly when the treble is mixed further up which is what it seems to need. Is ...
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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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2answers
248 views

Instrument to sound card and output to guitar amplifier

I want to know your opinion on if it's possible/feasible to input an instrument (guitar, bass...) to a sound card and then output the signal to an actual amplifier (guitar, bass...). Let's suppose the ...
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1answer
150 views

rhythm guitar sound on 'only tomorrow' (my bloody valentine) (pedals?amps?guitars?mic placement? etc.)

i'm mostly active on stack overflow, but as i like the overall platform/concept so much i figured i'd give this here a try! basically, my question is in the title, and here's a link to the song: ...
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2answers
3k views

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 ...
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1answer
49 views

undesired interaction between multiple inputs to PA system

I'm using a 250W Fender Passport PA system (model P-250) with a vocal mic (MP-75) and an electric bass guitar hooked up to separate channels (e.g. mic to MIC-1 and bass to LINE-2). When both are ...
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1answer
7k views

Wiring 2x subwoofers down to 1 or 0.5 ohm on a 2 ohm verified amplifier? [closed]

This is strictly a hypothetical question. I have a 2600W peak monoblock amplifier for my car, which is rated at 1000W at 2 ohm. I am currently wiring my subwoofers to the amplifier like this: What ...
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1answer
2k views

Which amplifiers have close to zero latency?

I'm a novice. I'd like to route an electric guitar and several keyboards through a computer for effects processing, and out via the same speakers. I've tried using different home sound systems; but ...
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1answer
25 views

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 ...
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1answer
85 views

Speak - amplifier wattage matching

Is there any rule-of-thumb for choosing amplifier wattage for the given speakers wattage? Say I have speakers, 100 W (maximum input power) / 6 Ohm each. Is it ok to match them with 44 W (minimum ...
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2answers
82 views

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 ...
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1answer
72 views

What kind of cable for AUX should I use? [closed]

my room is under renovation and I'd like to hide all the wires of my hi-fi set under the floor. I have to choose cable to connect laptops out with amps aux in - it would be over 6 meters long. Would ...
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1answer
140 views

Why am I hearing weird static nosie on my speakers

Our Church uses Yamaha CM 12V speakers for monitor, powered by QSC GX5 amps. Every 3 to 5 minutes once we hear a weird buzzing static noise from the speakers. The noise will be loud, and will last ...
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1answer
152 views

How to get rid of sharp ticks/clicks when amplifying sound

I am amplifying an audio file frame-by-frame via the following algorithm: Find maximum value among all the samples in a frame Find the amplification factor to make the maximum value equal to 0 dB ...
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3answers
6k views

What is the difference between DAC, Sound Card and AMP?

I am looking for a hardware to plug-in the headphones (Beyerdynamic DT770 PRO 250 Ohm). 1) What is the difference between DAC, Sound Card and AMP? I'm wondering about clear difference between these ...
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2answers
2k views

Headset amplifier (headphone amplifier with mic preamp)

I have and m-audio 24/96 soundcard with one RCA-out and one RCA-in pair. I want to connect a headphone with a separate mic (modmic) to this audio card. Now I need a nice headphone amplifier I get ...
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1answer
106 views

Classical guitar to a mic to a guitar processor (or even better guitar amp)?

I would like to use a mic to amplify my classical guitar as I'm told it's the best way to do it without altering the guitar and losing some sound acoustically (with piezo, fishman....). However I also ...
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2answers
724 views

What difference does impedance, watts and sensitivity really do?

I'd like to learn about watts, impedance and sensitivity. I've googled so many times, but never found a clean and nice answer, so it would be really awesome if someone made it simple and clear to me. ...
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2answers
2k views

Practical difference between channel gain, fader and amp gain

Why do channel gain, fader and amp gain all seem to affect the sound differently, particularly when it comes to feedback? Is this just a placebo effect? Is it a symptom that something is connected ...
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1answer
238 views

Connecting passive monitors to sound card [closed]

I searched on Google, but didn't find the answere. I want to buy some external sound card (for example Yamaha AG03, but I would like to understand how this works in general) and some monitor speakers. ...
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1answer
6k views

Matching amplifier with speaker with unknown wattage [closed]

I found some old speakers laying around without amplifier. I would like to buy a amplifier board but i do not know the wattage and ohms of the speaker. The wattage etc is not written on the back of ...
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1answer
111 views

Amplitude Too Low?

I record via USB with a Mackie ProFx16 with Cubase. You can listen if you like: https://soundcloud.com/dacsaunders Now it sounds like the level is too low, is that because I didn't master it? Or ...