Some how when I twisted the filter knob to 30hz I have made the whole filter 2 unit/section a little loose. the filter on off button, filter knob, HPF, BPF, LPF, VCF to X fader and VCF 2 -1 buttons now all move a little bit from left to right.
The filter how ever still works perfectly fine. But it is a slight nuisance when using the filter knob as I can some times feel the filter board in the mixer move a little bit.
Anyone else had this problem?
If I open up the mixer is it easy to fix?
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Re: Filter Knob and Buttons move from left to right
If you pull the knobs off, you will find lock nuts under them. You could tighten them up. See if the knobs have set screws on them to lock them in place before pulling them off. On Allen & Heath, I don't think they do but, just in case.
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the switch, has three positions. Typically forward or up will be your neck (or rythm) pick ups, only and will work with one volume knob(usually top right as your looking at guitar), and one tone knob ( top left as your looking at the guitar). when the switch is in the far right or all the way down position, that will be the saddle (or lead) pick-ups. And that works with only one volume knob(bottom right as your looking at the guitar) and the corresponding tone knob. when the switch is in the middle position, botjh volume knobs work and both tone knobs work. You've gotta kinda play around with them to find whatever sound yopur looking for. and tone knobs are very subtle in their changes. good luck
Wrong... there are setting on the mixer that will get u on track..make sure you un plug usb FROM mixer. Turn off I'm not 100% sure ether master effect insert I know it is 1 of the insert buttons wit the right 1 hold down button turn the knob closet effect screen if right that screen should turn from PC 2 MAC when you see this hit the left BEAT BUTTON to save setting
Tone pot should only have 2 of the 3 lugs with connections, one of which should go to ground or to the capacitor that goes to ground. If by "double wire" you mean shielded cable, the outer 'wire' is the shield that should be grounded at one end at least, probably to the back of tone pot.
The effects or FX section is on the top right of the mixer. On your vocal channels find the yellow knob marked FX and turn it to 0. Choose the effect you need using the Program knob (top right) for karaoke this will probably be 03 or 06. Start singing and turn up the yellow knob marked 3 - FX under AUX Sends until the LEDs above them hit -0db, no higher. Now find the button marked FX - Main Mix and make sure it is UP. Turn up the yellow knob (3 - FX) next to it until you can hear enough echo on your mic.
Does the knob click or have a detent when you turn if fully clockwise? You should feel a little resistance before it is fully to the off direction. There is a blue LED that indicates power is on... note that it might take a little time to fully go out when switch is turned off as the capacitors do hold a charge and LED's take very little to illuminate. If both units are acting the same, I suspect you may not be turning the knob quite hard enough to turn off the switch... you should not force it, but it will offer a bit of resistance.
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.
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.
Plug microphone into a channel on mixer. Also plug in headphones and turn headphone volume control up.
Make sure input sensitivity knob is turned up a bit (say half way) and main output faders (yellow) are up.
Check that channel is turned on (little button just above the channel fader- needs to be pressed down)
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)?
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?
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.
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).
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.
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.
Make sure any mute buttons are not switched in on main outputs.
Guitar manufacturers use generally one of two different knob types: (1) knob has a small set screw of some type holding it on or (2) press fit onto the shaft of the tuneing pot (volume knob in your case).
Now, the problem is if it is NOT a set screw type, it is press fit. You see press fit used most of the time on lower-end instruments (and a few high end). The BEST way to get a stuck volume know off is to get a shoe string, loop part of it under the knob, brace the guitar firmly and PULL SLOWLY WITH FORCE. Realize that it is possible to damage the guitar if you **** on the string too hard.
I have never seen where a stuck know did not come off (or hear of someone breaking their guitar doing it).
I have also resorted to using a small screwdriver: work it way under the know and gently twist it to loosen it so it can be pulled off with a string or your hands.
Be carefull not to scratch your guitar!