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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0 answers
25 views

Connecing a stereo reverb pedal into two separate amplifier fx loops

I am using a dual chain Acus acoustic guitar preamplifier equipped with 2 separate FX loops for each channel. https://www.acus-sound.it/en/preamplification/16-stagepre2-di.html I would like to connect ...
1 vote
1 answer
79 views

Can two 50 W Amps produce the same volume as one 100W Amp?

I have a Roland KC-200 amp that is 100 watts and it produces all the sound I need in most scenarios for a mono signal for my keyboard. However, I'm starting to play with more synths and keyboards and ...
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3 votes
3 answers
41 views

Powered Amp placement in a smaller church setting

I am helping to replace an audio system in a small church setting. The building is rectangular 40' wide and 65' - 70' long. Currently the powered amp is located in the sound booth at the back of the ...
0 votes
1 answer
52 views

What is the power output of an amplifier rated as 2 x 100W when used with 2 speakers that require 160W (4 ohms) each? [closed]

As my question implies, I have an amplifier rated as 2 x 100 watts and am using it to power two speakers with the following specifications: 180 watts max and 90 watts RMS power handling per pair (4 ...
1 vote
1 answer
722 views

Would playing electric guitar through studio monitors hurt the monitors?

I have a simple home studio setup where I have a Steinberg UR242 audio interface and a pair of M-Audio BX5s. I recently got myself a Les Paul Humbucker and I was wondering whether playing the guitar ...
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1 vote
1 answer
33 views

How do I connect a USB mic to a bluetooth (also has a 3.5mm audio jack input) maybe via my laptop to have a small megaphone? [closed]

I have a Fifine K669B USB mic, a laptop (Ubuntu as OS) and an Anker Soundcore 2 Bluetooth Speaker, that also has a 3.5mm audio jack. Is there a software or a way through an inexpensive hardware, using ...
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0 votes
2 answers
80 views

What amplifiers or other ICs offer fine digital volume control (0.1dB steps)?

I'm looking for a way to digitally modify the gain of an amplifier/DAC/codec in very precise intervals (0.1-0.2dB). My current process involves generating a sine wave with a DAC and then running it ...
1 vote
2 answers
46 views

One channel cutting out when splitting to two devices

One channel of my split audio is cutting out when the cables are plugged into two devices. I have a computer audio output that I have this splitter connected to. From the splitter I connect a cable to ...
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0 votes
1 answer
106 views

How to know if studio monitors are loud enough?

I'm having trouble with my studio monitors (headphones as well). They are JBL 104s, which are pretty affordable entry level speakers. I've got a handful of headphones, typically between 32 ohm and 64 ...
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0 votes
1 answer
57 views

Connect BM800 condenser microphone to LG-OK55 Karaoke System [closed]

I just bought BM800 condenser microphone to play karaoke. I have LG-OK55 Karaoke System. When I plug BM800 into my PC, it works but with a high latency. If I plug BM800 directly into LG-OK55, it doesn'...
2 votes
2 answers
94 views

Why aren't amplifiers aimed AWAY from the audience on live shows?

We all know the problems it causes for the sound engineer at concerts when the guitarist raises the volume mid show. "It goes to 11" But why are amps always behind the artists aimed out at ...
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2 votes
1 answer
413 views

What happens when the output impedance of a headphone amp is higher than the input impedance of the headphones?

I'm trying to wrap my head around input- and output impedances. From this question I learned that the output impedance of a headphone amplifier should be lower than the input impedance of the ...
1 vote
3 answers
86 views

Whine from speakers when there is no audio playing [closed]

As the title says, there is a loud whine from speakers when I am not playing an audio track on my PC. The PC has a stereo output to a Yamaha AX-590 (yes, it's old) amp that goes into two SB-CR77 ...
-1 votes
1 answer
172 views

What role do the amplifier & dac play in sound imaging?

I don't know anything about audio-engineering or audio-gear...in fact I am not even sure if this is right forum for this type of question. Finally, I am not even sure if these are valid questions...I'...
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1 vote
2 answers
51 views

Why does digital sound EQ use decibels instead of an amplitude multiplier?

I'm in the painful process of figuring out a nice eq and then discovering that it makes things too loud causing overdrive, so I need to convert my old +xdb to 0db and my old 0db to -ydb. This is not a ...
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0 votes
0 answers
93 views

Line out of guitar amp when connected to soundcraft notepad 8FX does not give sound to the mixer. Is the Line out busted?

My guitar line out refuses to produce sound through the mixer. I am beginner guitar player and for my first gig I went to the church to play for a communion, I was carrying my guitar (Juarez), a ...
0 votes
1 answer
41 views

Is is possible to obtain line level with Composite/RCA connector from an ASHLY TRA-4150 Amplifier?

I am trying to split the output of an audio channel output "mix" (there is no mixing panel between the mic inputs to amplifier and speaker). From what I can see, it appears that there is a ...
-1 votes
1 answer
179 views

Using a light bulb as test / dummy load [closed]

I have an old sony str-d911 some pics I know the str-d911 is a receiver and not an amp but the specs say 100 watts per channel I tried using a 40 watt and 100 watt light bulb (as a test/dummy load) ...
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0 votes
1 answer
764 views

Guitar rig settings to get a deathcore sound on guitar

I am trying to make a deathcore sound on guitar rig software for guitar but cannot find something decent. I tried downloading some presets but either they weren't good enough or they were not ...
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1 vote
1 answer
171 views

Line-In Mixer very quiet [closed]

I bought the Rolls MX42 Stereo Mixer to mix the output of multiple devices together. I have connected my Computer (internal soundcard), Laptop, and Phone. All by using 3,5mm Jack to 2 Cinch y-Adapter ...
0 votes
2 answers
114 views

1/8" Headset to XLR

I have a Focusrite Scarlett 2i2 interface connected to my PC. It has XLR mic input and 1/4" headphones output, while my headset has regular double 1/8" jacks. I was wondering if it's safe to ...
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0 votes
1 answer
171 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 ...
0 votes
1 answer
145 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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0 votes
1 answer
99 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 ...
1 vote
1 answer
34 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 ...
1 vote
1 answer
48 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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0 votes
2 answers
56 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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2 votes
1 answer
653 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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0 votes
2 answers
322 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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0 votes
0 answers
262 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 ...
1 vote
2 answers
312 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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4 votes
2 answers
4k 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-...
0 votes
1 answer
1k 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 ...
1 vote
1 answer
23 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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0 votes
1 answer
205 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 ...
0 votes
1 answer
246 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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0 votes
1 answer
218 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 ...
0 votes
1 answer
32 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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0 votes
4 answers
162 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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-1 votes
1 answer
958 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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0 votes
1 answer
237 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 ...
0 votes
1 answer
2k 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 ...
0 votes
2 answers
922 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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2 votes
1 answer
276 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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0 votes
2 answers
7k 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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0 votes
3 answers
2k 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 ...
0 votes
1 answer
115 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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0 votes
3 answers
18k views

(no longer seeking answers) 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 ...
-1 votes
1 answer
38 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. ...
0 votes
2 answers
626 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 ...