Question about Alto ZMX122FX

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Is it possible to make headphone's fader before the master's fader?

Now if the main volume is set to minimum (-inf) is impossible to hear the main mix via headphone, even if the headphone's fader is set to maximum (10db)

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Press the (PFL) OR (SOLO) BUTTON ON THE CHANNEL MIX .
YOU CAN ROUTE THE SIGNAL PATH TROUGH HEADPHONE WITH OUT AFECT THE MASTER VOLUME.
GOOD LUCK

Posted on Jun 14, 2014

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Posted on Jan 02, 2017

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What could be causing a strange static sounding noise in the headphones only when pressing PFL on any channel.


The "PFL" Stands fo r"Pre Fader Level". Just in case you did not realize. so when you press the "PFL" button , and the red light goes out?, You're saying that the hissing goes away and that you have clarity. Yes? and the volume presents no issues? Also correct? Part of that simply, is with the PFL in the on position. You are engaging the fader for one, which will add to an already boosted signal ( the the fader is turned Up?). also you may have your Clip set incorrectly. to set this you turn PFL off, then at your signal input level Dial (usually at the very top in-line with your fader. _ set the volume on your device, then input clip level on the board \ to where the clip light comes on. not a steady light, but a blinking light so make it steady, then back it off a hair. Okay? this whole time make sure your mains are down. or off at the faders. Once clip is set., PFL is in off position, gradually turn your mains up to level. Now, the PFL is for when you have more than one signal. say from an instrument on another channel. unless you have that? No need to use the PFL. If you do have an instrument in line,. then, before you turn PFL on,make sure that your fader on that channel is turned off. -turn on your PFL, then gradually bring that to level. never messing with the mains level.

I know that is a lot of info. but it is a process. that should eliminate any hissing you may have heard.
Good luck!!
'

Feb 23, 2016 | Allen & Heath AH ZED 12FX 12 Channel Mixer...

1 Answer

Souncraft GB4 ch 16 Right mix chanal dead


If you aren't using one of the group outs you could re-route the main L/R through one of them. I can't remember if that board will let you configure the MONITOR outs for either PRE/POST fader but if so you could go that route too.

Otherwise that fader is most likely dead & you'll probably have to replace the MAIN L/R, master output module if you can't find a competent tech to fix just the fader.

Feb 14, 2013 | Soundcraft GB4 16 Mixing Console

1 Answer

All I can say is that when I press the pfl button on any fader to listen trough my headphones on the main mix I hear a flicker but only from the main mix. from the sub out it is clear and even from the aux...


Check that the noise is NOT a funtion of an "effect" that the MAIN runs through. Do you hear it via the main amps or is it just in the headphones from the main? Pressing a PFL for a channel should bring ONLY that channel into the headphones UNLESS other PFL's are down... and NOT affect the main. Something is not clear here.

Sep 06, 2011 | Soundcraft MPMi-12 12-channel Audio Mixer

1 Answer

No sound


There can be any number of reasons for this problem - solve it diagnostically by starting with something that you know is working and work through systematically to the other end.
  1. Test a microphone on a separate amp to make sure it works okay. Check amp and speakers working. Check that all output cables from mixer to amp are working by testing separately.
  2. Plug microphone into a channel on mixer. Also plug in headphones and turn headphone volume control up.
  3. Make sure input sensitivity knob is turned up a bit (say half way) and main output faders (yellow) are up.
  4. Check that channel is turned on (little button just above the channel fader- needs to be pressed down)
  5. press pfl (pre-fade listen) button (next to button to switch channel on)- do you get any sound on main output or headphones or any indicator lights on mixer to show signal is getting that far (eitehr the individual channel metering lights or the main ones in the central section)?
  6. turn off pfl - make sure channel fader (slider) is up - normal position is ) - about 3/4 of way up. Check lights again on individual channel and main output section - any signs?
  7. Is the sub mix button for the channel pressed down - in which case you will need to bring sub mix (red) output faders up as well as main faders.
  8. If you have got signs of signal on the individual channel but not main see if the channel has been routed somewhere odd (like a subgroup of channels).
  9. Plug a working amp and speakers into one of the auxiliary outputs and use the relevant auxiliary send knob (on each channel just above the faders and pfl switches) to pan some signal to that auxiliary out - do you get anything? There is also a headphone socket for listening to the auxiliary channels (with a selector switch /knob to determine which one - make sure it is in the right position) try listening to the auxiliary output with headphones - anything? If yes the problem lies in the main output section.
  10. Check that there is not a jack plug in the insert socket (to route signal through an external effects unit) without a matching return jack being plugged in - if appropriate is relevant effects unit switched on and correctly set up - if unsure remove the insert plug to take it out of the system.
  11. Make sure any mute buttons are not switched in on main outputs.
You can download a full user manual here http://www.allen-heath.com/gl/gl2400

Feb 22, 2011 | Allen & Heath Allen and Heath GL2400-32...

1 Answer

I PLUGGED THE GUITAR INTO THE GUITAR INPUT AND PLUGGED ANOTHER JACK INTO THE SEND UNIT TO MY AMPLIFIER BUT CAN'T HEAR ANY SOUND EVEN THOUGH I GET A READING THAT SHOWS SOUND IS HAPPENING. THE OL LIGHT IS...


try this: plug a stereo headphone into send & check if you get something on one side of the headphones (should be left side) if yes check the cable you use, it's possible that a mono plug (as used for guitars) is disabling the send output, using a stereo plug & adaptors may work (especially if you get the sound in the right side of you headphones check also the manual you may find a description how to connect/insert a guitar effect when recording or live mix

Nov 12, 2010 | Tascam Dp-02cf Digital 8-track Recorder

4 Answers

Marshall MG50 DFX amp line out/headphones not working


Contrary to what's posted above, the Marshall MG series does not pass the speaker power output through the headphone jack, and inserting the headphones into the jack does not disable the speaker. The headphone amp is a separate circuit and it's input is taken before the master volume. So Jan's post is exactly right. Turn off the master volume and turn up all the other gain/volumes as high as they will go. The other issue is that the headphone jack's output does not drive low efficiency headphones well, so you need some headphones similar to Sony's MDR-V700s to hear it well. Earbuds just don't cut it.

Mar 07, 2010 | Marshall Mg50dfx 50-Watt Combo Guitar...

2 Answers

Tascam DP02 - LOW VOLUMES!


Phantom power should only be used with a condenser/ribbon mic. If you're using a dynamic mic (like the one in the photo) you don't need phantom power. Also I run my mics and instruments through a mixer, then into the unit. Also if you're mixing your masters at a low volume, the CD will play at a lower volume. Try mastering at as high a volume as possible, avoid clipping of course. But get it as loud as possible while mastering. Then the master copy should be louder. I have a DP02 and found out it needs decent monitors to mix and master. That's all I've got.
7_29_2015_3_32_13_am.jpg

Apr 15, 2009 | Tascam DP01 All-In-One Recording Package...

4 Answers

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.

- Reverse button, for a certain amount of time will play the song on the left or right in reverse.

- Time. this button is essential to change the time selection on the cd deck, to either "Time elapsed", "Time remaining" and "total time remaining on the cd".

- 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.

Apr 03, 2009 | Music

1 Answer

Low Volume on CDs - Roland 2400 CD


Hey Rick, There are a couple of places to look; I'll assume you have a decent input level near -12db average without peaking. First, ensure during playback upper right meter labled MST is near peak without going over, if you have room push the master level above 0db to +1 thru +6db and recheck for peaks above 0db. (You never want digital recordings to hit above peaks, you lose quality or resolution of the sound) As you find the sweet spot, master rec to 23/24-16 using the elevated level on the master fader. The manual suggest editing and mastering with the master fader at 0db however if you don't compress your tracks individually or reprint them at higher levels, you may have a great mix at an overall lower volume, pushing the master fader should help for a quick fix, but if this cures the level issue, try compressing and leveling each track to peaks prior to the first mix only lowering tracks which are too loud, when you get to mastering, all your signals are at their top potential for the CD. Spend a few minutes burning samples at low, just below peak, and just above peak levels on separate tracks and playback in your boombox for reference to a commercial CD. You'll find little to no difference when you are in the sweet spot. Another trick is to mixdown to a separate pair of tracks (not 23/24-16) and compress again during master mixdown rec. (ultimately 23/24-16) Good Luck Jeremy Yates, Radio World LLC.

Jan 08, 2009 | Roland Vs2400CD Digital Workstation W/CD...

1 Answer

Sound


No sound during recording ? No sound during playback ? Both ?
Do you have signal levels on the meters at stereo/ main out ? If yes then make sure master fader is at adequate level then check to see if there's a headhone on/ off switch or a headhone volume level  knob, if so then adjust ( be careful not to have the master fader at a high level when you turn on the headphones, it hurts )  If you don't have signal on the stereo/ main out meters or you do and the above steps didn't work then we'll take it from there.
 

Jun 21, 2008 | Tascam DP01 All-In-One Recording Package...

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