Electro-mechanical devices used to turn electric signals into audible sound waves.

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7
votes
3answers
1k views

Why do people place amps on top of things?

In a lot of gigs I've played, I have noticed that they have placed the amplifier speaker cab (usually just the bass amp) on top of a chair or a stool or something, so as not to be on the ground. What ...
7
votes
3answers
383 views

What is the difference between an amp and a head?

At the moment I currently only use a basic guitar amp, but a few of my friends have 'heads' on top of their amps. What is the purpose of these? What do they do that the amp doesn't do?
7
votes
4answers
982 views

How to connect a line signal to a guitar amp?

My Laney Lv300 Tube Fusion Combo amp, doesn't have a Line-In, as such. It merely has one "Input" on the front, for the guitar and a pair of FX sockets, as an FX Loop (FX Send and FX Return). It also ...
6
votes
2answers
541 views

PA System: What type of speaker for that “punchy” bass?

I got two JBL MR918 subwoofers and two Behringer EUROLIVE B215XL. My system does well, but when playing electronic music with a bass that would sound very punchy and you would feel it in the chest ...
6
votes
3answers
1k views

What's this weird sound coming from my speakers?

I keep hearing bursts of static from the speakers of my electronic keyboard. At first I thought there was a loose electrical connection, but sometimes it has a rhythmic pattern to it, like “rat ...
6
votes
4answers
750 views

How to monitor a song with a low budget

I'm working a lot with home recording but the loudspeakers of my computer are a bit old, so I might get new ones. The problem I frequently had while recording was, that my speakers had a very full ...
5
votes
4answers
532 views

What should be considered when getting a band PA?

I'm in a band and we just started out, but I need to know what speakers we should get. Like I said we're just starting out so we might not need them for a while, but I still want to be prepared. We ...
5
votes
1answer
265 views

Can turning on an amplifier without a connected load (cab) cause damage?

I don't recall where or from whom, but I heard that switching on an amplifier head without a connected load (a cab, that is) may cause damage—presumably to the tubes, but perhaps something else, I'm ...
4
votes
1answer
1k views

Why are speakers howling when a microphone comes in front of the speaker boxes?

While using the microphone in front of the speaker, it makes a howling sound. Why is it so? How can I avoid that without reducing the sound?
4
votes
1answer
159 views

Speakers for electronic keyboard

I am upgrading from a Yamaha arranger with speakers to Korg Kronos. The arranger has speakers but what types of speakers do I buy for Kronos? I just play at home. Nothing professional. Do I need PA ...
4
votes
3answers
128 views

Simulating speaker distortion with Doppler shift

When a speaker is operating at high volumes, the high frequencies should be frequency modulated by the low frequencies. For the low frequencies the cone moves back and forth slowly but heavily and ...
3
votes
3answers
622 views

Speaker clipping when bass guitar controls turned up, but not when amplifier controls turned up to same volume

I've noticed if I have my bass guitar's volume and bass EQ knobs turned all the way up, it sounds like the speaker is clipping. If I then turn the volume and bass down on the guitar while turning the ...
3
votes
2answers
3k views

150w 8ohm speaker on 300w 4ohm channel - have I done my maths right?

I'm building a DIY frankenamp. It currently consists of a speaker cab with a 15 inch, 150w @ 8ohms celestion truvox red label, which is plugged into one channel of a Skytec pro600 stereo power amp. ...
3
votes
3answers
5k views

How to connect a 16 ohm and an 8 ohm cabinet to the same amp head

I just brought home a Peavey JSX 4x12 cabinet and realized that it's 16 ohms while my other cabinet (Marshall 4x12) is 8 ohms. The JSX has two jacks in parallel for chaining while the Marshall has a ...
3
votes
1answer
64 views

Extra speaker for combo amp?

Is it okay to hook up an additional 112 speaker directly to my 110 speaker combo amp? Will it damage the amplifier by adding an additional speaker? It's not wired for another output, no external ...
2
votes
1answer
40 views

Connecting several speakers to an amplifier - multi room sound [closed]

I would be happy if anyone can help me with the following project I wish to build : I have an old amplifier 4ohm impedance with A and B zones, support for mono and stereo and playing both A and\or B. ...
2
votes
1answer
179 views

Connecting studio monitors to DDJ-SB

I only have a DDJ-SB as I am jut starting out and having some fun. I have been looking for some cheapish monitors to buy and found the M-audio bx5 d2. I am wondering how I would connect them to the ...
1
vote
2answers
139 views

Peavey SP-2A Speaker Repair

I'm taking a shot in the dark here but I have these old Peavey Sp-2A speakers that I'm looking at fixing. They were a gift to me a long time ago and since then the main loudspeaker, or sub-woofer, has ...
1
vote
3answers
5k views

Turning off my monitors makes loud popping noise

I've been told that my turning down the channels on my mixer before turning off my monitors, I can prevent the loud popping noise they make, which will damage the speakers in the long run. However, I ...
1
vote
1answer
477 views

Headphone splitter (active, or with appropriate impedance)

I would like to split the output signal from my electronic drum set into two 32-ohm headphones. If I use a plain splitter, I will effectively cut the impedance in half, increasing the required ...
1
vote
2answers
133 views

What technical spec should I look for in noise isolating headphones?

I am looking to buy some noise isolating (not noise cancelling) headphones, but I am very confused right now. Initially I thought that impedance was a good measure of the capacity for a pair of ...
1
vote
3answers
5k views

What should I look for in speakers for an electronic keyboard

I was just lent a keyboard (a Korg SP-200) and would like to buy low-cost external speakers for it. What should I look for in speakers for a keyboard?
1
vote
1answer
1k views

How can I connect speakers to my POD 2.0 and get a good sound?

I like to practice at home with my electric guitar, but I have to keep the volume low, so I usually use headphones connected to my P.O.D. 2.0 guitar direct box. But sometimes I'd prefer to use ...
0
votes
2answers
130 views

Using Headphone socket for monitor speakers

I have a Yamaha YDPS51 digital piano. Whilst the internal speakers are acceptable I'm unable to get a rich deep sound from them. The problem is that I don't have any outputs apart from 2 headphone ...
0
votes
3answers
2k views

if i connect audio interface line out to guitar amplifier guitar input can it damage the audio interfae

Generally audio interface line out is connected to studio monintor speakers. Since i don't have any i was wondering i could use my marshall 15watt guitar amp as speakers. if i connect audio interface ...