mixer servicing (ny)

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orksnork

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i've got an Allen and Heath GL 3 24x4 that i quite like...but it needs a little work

could really use a cleaning...a few scratchy pots...two scratchy faders...
and lately...my left main channel has had a few problems...

occasionally the sound will go from it's normal signal to a very quiet VERY quiet signal...

either way...i'd like to have some a bit more profficient (knows anything) with electronics than me...

what do you think something like this would run...assuming there weren't any serious repairs in line...and does anyone have anyone to recommend...

if in the city...anyone in brooklyn or queens...that'd be a little more accessible to me as i'm from long island
 
My bet is that on a board like that, you are looking at at least a few hundred dollars to just clean the pots, faders, frame etc... The GL3's are not the easiest boards to get in and clean. The channels are very close together, and they are not modular. This means a lot of extra dissassembly and reassembly for a simple cleaning unless you are willing to put up with the hard to reach angles to get to where the pot openings are. So far your repair seems pretty easy though as far as technical necessity goes. The pots are hard to reach, but the problems you are describing sound pretty much like standard TLC is needed.

The main fader problem may be a little more complicated, but even replacing that fader should only be 6 solders, and maybe just spade connectors (I think the GL3's though use ALPS faders that need soldering at their signal points). There is a good chance that you just need to check those solders and clean the fader really well, but you may just have to replace it.
 
update on that intermittent problem...

it doesn't seem to be the output

whatever connection there is from the channels/bus to the main section seems to be a little screwy...because when i use the 2 track return the output works fine....

it's just on things i'm monitoring
 
that problem with the output could be something as simple as cleaning the multiconnector from the bus section. however like above, even a minor repair is labor intensive as far as tearing it down to get at the problems, if its not under warranty than try DBM pro in manhattan I believe. I can get you a list of service centers in ny and surrounding areas, I have to look up my list. The best bet however is to send it right to heath in CA. Yeah I know shipping is a bitch but you'll probably get it back quicker that way.
 
well i called the local service center for AH on long island...

the guy said if i called on tuesday or wednesday...he should be able to take it in that day and get to work on it...

he said that the base rate was 275 for my mixer...and he said that should be enough for dis/reassembly and cleaning it (it's a few pro-rated hours)

as far as the problem with the mixer...he said that didnt sound like something that could be too bad...so hopefully it wouldn't cost more than 400

now xstatic...as far as the channels not being modular...do you mean as far as removing them from the board without having to rip the thing apart (which you can't) or do you mean inside...all the channels are connected together...

if they aren't i was thinking of while he has it out...maybe having him leave two channels out (since i never need to use 24 preamps simulatenously...and maybe trying to mod them a bit with some help from GS people...
 
Pretty much, the board just isn't modular. It means that channels do not come out individually, and even on the inside they may not be very easy to pull. I believe they have several wires that bridge channels that may actually be soldered at points. Basically, this design style is cheaper to build, which is partly why boards like an Allen Heath GL are so much more affordable. Also, my gut tells me that an Allen Heath GL is not a good candidate for modding much. I could be wrong of course, but the way a GL is build (everything is very compact) and the way their power supplies are built it seems there is not much room for change without risking failure.
 
power supply is external
i suppose ill see what the guy servicing it has to say...

if it's possible...could be a fun way to start getting into a electronics a little more
 
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