Question about JBL EON 15-G2 Powered DJ Speaker With EQ Speaker

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Hiss from the tweeter nothing from the sub

"yard sale" purchased, hoping for a diagnosis. I have ran my bass through a 4 track mixer into the speaker and through a mixing board into the speaker(with and without phantom power) I have to turn the volume on the speaker up to about 3/4 of the way to hear anything then its a hiss and the bass (or guitar) sounds awful with a high pitch coming only from the top horn. Invest in repairs or trash?

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  • Anonymous May 13, 2009

    I have the same problem from my new JBL EON 15-G2's. I bought a pair brand new and when you turn the power on you get quite a bit of "hiss" noise from them. It's distracting and dissapointing coming from a top name such as JBL and the high price of these speakers. These are supposed to be top-notch speakers yet they have this awful hiss to them. It's covered up when actually playing a signal through them, but during the pauses they do hiss a lot. What causes this and why did JBL allow them to be produced with this noise?

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  • Master
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Trash. Don't run your bass through speakers not designed for it. Likewise (from personal experience) don't allow microphone feedback to get into consumer speakers. Bye-bye tweeters in either case.

Posted on Apr 04, 2009

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When we are trying to get a reasonable level of sound for vocals before it gets loud enough to be able to hear clearly with the band playing it starts to clip at the speakers now we are only using this set...


Proper level setting of the mixer is important. HOWEVER if the clipping is occuring at the speakers the only possible problem MIGHT be that you have a supersonic feedback that is saturating the speakers above your hearing range, Be sure you don't boost the highs too much with the EQ as this can cause the feedback that you can't hear. Also make sure that you power the speakers from the SAME receptacle as the mixer, even if it means running an extension cord to bring power to the mixer. This is to avoid a low frequency hum and common mode distortion/damage. A low frequency hum could cause the clipping.
It would be a good idea to get a sound meter to check the sound level. You should be able to reach 85 Db from this system without clipping. If you need more than that, you MAY need more speakers if the band instruments are too loud. Also if the band has amps that get into the vocal microphones that adds to the clipping level... make sure the mics don't "hear" the band instruments. Make sure your speakers are toward the audience from the mics to avoid the supersonic feedback problem. If the vocalists can't hear themselves with that configuration you need to set up seperate stage monitors.

There are some pretty good videos on YouTube about proper mixer level setup.

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Hi, I would to say thanks a lots to let put some words on yours email box. It's just regarding about how to set up a live band gigs @ outdoor stage in to mixer system. In a mixer setting, i wana know how...


You will need at least a 24 channel mixer to give you spare channels. You also need an active crossover and a snake. The advice you need is too much to include here so I am including some links:http://mixonline.com/live/FixIts/, http://en.wikipedia.org/wiki/Live_sound_mixing, http://mixinglivesound.com/blog/tag/outdoor-concerts/,http://mixinglivesound.com/blog/, and http://www.scribd.com/doc/11435651/Beginners-Guide-to-Mixing-Sound. You may need more monitors than you are planning on and you might consider in ear monitoring.

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How to use Audioline Pro DJ Multimedia Mixer M Dex 3.0


I have been recently using this Cd Dj deck at parties and have some general knowledge of the product, it has alot of potential. Is there anything in particular that you need help with? Or is it the general concept of using them.
Currently, i don't think there are that many websites that explain how to use the Cd decks, however i can provide you with some basic information. Most of the information here could be worked out by trial & error.
- Pitch control on the right of each cd deck can be slid up ( slows it down %) and slid down (speeding the track up %) i think the pitch control has a range of either +-10% or +-16%.

- Cue button, has the potential for Cue'ing or setting up the cd to instantly jump to the "cue'd" point with the press of this CUE button. This is done by either pressing play/pause button and rotating the jog wheel to a point of time in the track which automatically sets the cue point OR holding down the >> or << search button to find a spot within the track at a greater speed.

-Vinyl mode. Pressing this button will set the deck to the "vinyl mode" to simulate scratching or even backspins. pressing this button again will change the mode back.

- the Crossfader (or 'X' fader) button will select the left cd track if the x fader is all the way to the left and the right track if the x fader is all the way to right. having the X fader in the middle will play both tracks together.

- Low, Mid, High. These nobs on the middle section of the deck change the individual track by which it is corresponds. (Left side = left cd track, and vica versa) Low refers to the Bass of a track which can be essential for mixing two tracks and elminating excess bass noise. Mid refers to the drumming and even synth of a track, and changing this can result in some cool sounding effects. High refers to the 'high' frequencies of the track playing, such as snares, hi hats and possibly vocals. All these controls are crucial to understand in order to mix 2 songs together successfully. It's good to get a chance to muck around with these cointrols. The middle of each control resets the setting to normal or default.

- Channel fader. the two controls that slide up & down on both sides of the mixer on the deck. This is also referred to the volume setting. Useful for mixing seamlessly one track into another.

- Gain. This control at the top of the mixer refers to the volume level or 'gain' of the cd track that it corresponds to.

- Jog wheel. Serves 3 purposes. firstly it can be used whilst a song is playing to temporarily speed up or slow down the track to match with the song on the opposite side. secondly, whilst holding down the 'search' button, operates as a control to quickly find a spot in a song. and lastly when selecting "vinyl" mode, can simulate the reaction of a vinyl turntable. The scatch function, and backspin effect.

- The pitch button, is just another control to speed up or slow down a song temporarily whilst holding down the '+' or '-' button.

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- the "tap" button, allows the user to physically "tap" the button in time with the song's beat, which calculates the Beats per Minute (Bpm) of that song. which is essential to work out the bpm of 1 track to mix the speed with that of the opposite deck.

- Cd/usb/sd, changes the mode of system reading. from CD to USB or SD card.

I really hope this general guide to using the Audioline ProDJ MDex3 has helped!
Peace. Marc.

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1 Answer

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I'm guessing your mixer is a multitrack recorder.

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When you've finished you'll need to align all the tracks in Pro Tools so they all playback in time with each other.

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yes bad bord so cheap on these u can kick bass out like u wanna best bet referb kilspsh on ebay 70 bucks bass on them rocks ok

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Hi there,
Although I am not familiar with the Zoom HD 8 Track I am a former sound engineer so may be able to offer some general advice.
Firstly, because the wave pattern of low frequencies is very long, there are a number of things that will greatly effect bass response caused by standing waves.
1) The position of your bass monitors. Ideally these should be low down but not directly on the floor, especially if the flooring is wooden.
2) Try your monitors/speakers at a slightly different angle. Bass can bounce off walls, back towards the sound source and phase out the signal, rather like a noise cancelling system.
3) Try listening to the sound in different areas of the room. You will be amazed at how the sound pressure level will vary, simply by you moving from one position to another.
4) Never put bass tracks exactly at centre, always offset them slighly by a few degrees left or right.
5) Do some of your mixing using headphones, you will not have to worry about standing waves. But remember that things sound very different on speakers in free space.
Strangely, the reason you are getting distortion when you turn things up is probably because your bass is on the verge of over modulation to start with. Really bass is felt, not heard. You could try is to decrease your mid and high frequencies a little. The ratio between high frequencies and low ones will then increase by default and your bass may feel heavier.
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1 Answer

Bose car stereo speakers


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