Al Krow
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Thanks Tim. Makes sense! If it makes an "in principle" difference, I guess it would be best practice to be using the silver TS to TRS adapters as standard rather than the gold TRS to TRS adapters? And this is a more general point? Those plugging their 1/4" stereo jacks from their wireless IEMs (eg Swiff WX520) into a single balanced mono aux-out jack will just have to take what they get! -
Hmmm... We've got balanced mono aux outputs as previously noted. We've got and used a 1/4" TS to 3.5mm TRS adapter jacks (the lower silver jack in pic) to allow us to plug in to the desk to deal with the issues that Woody mentioned. What stumps me though is why we're getting equally good results with 1/4" TRS to 3.5mm TRS stereo adapters (upper jack), with standard IEM headphones with standard 3.5mm TRS jacks?! So we're using either without issue.
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Thanks Woody. But that's an additional point to amplification though? And would on the face of it apply to any IEM whether wired or wireless being fed into an aux-out? I see that the 6 aux-outs of the Beheringer XAir XR18 are all 3 pin XLR - so no possibility of putting a normal headphone jack into those sockets, plus one headphone out? The aux out sockets on the CQ18 are balanced mono, and I remember you saying that most aux outs are similarly mono? Now the Xvive U4s we used are also mono - so I guess that deals with any phasing issues for those particular devices? But given what you're saying, that then leaves the question as to why we or anyone gets a clear feed into stereo IEM headphones where the balanced mono of an aux output is being matched with an unbalanced stereo jack?
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Thanks Phil, helpful as always! But, if what you say is correct (and I don't doubt that it is for a second!), that's making me think that the various earlier comments of: "you should never put an IEM cable into a line-level aux-out, without a headphone amp" as being an over-cautious old wives tale?
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Tim - that's super helpful, thanks. I'll need to go back and check what settings we currently have for the aux-outs and what difference it's making. I can then make sure we have dedicated wireless (with transmitter amps) and wired (no external amps) aux-outs, if required, or simply leave as is if it's just a case of the "select listen" option impacting the inherent desk output levels for the IEMs, given none of our existing output levels are close to being maxed. But it seems to me that this provides a "best-of-both worlds" option, avoiding unnecessary expenditure on external IEM amps for wired IEMs, which is an unexpected additional cap-feather in it's already significant haul for the CQ range. Bravo A&H!
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I appreciate you have somewhat unusual and sometimes challenging circumstances to deal with Woody 😅
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Your best (and worst!) bass gear purchases of 2025?
Al Krow replied to Al Krow's topic in General Discussion
I was kinda wondering whether any of this (other than the MB rig in the corner) could properly be regarded as "bass gear"? Well there's maybe an argument that there's a kick drum in there... 😅 -
I was a little worried from the some of the comments above that plugging a headphone into a line-level aux-out could somehow cause damage to the desk circuitry. But seems from my online research I can rest easy on that score, as the only issue is likely to be insufficient volume in the IEM ear pieces if the signal has not been subsequently amplified? (Which, as noted above, doesn't seem to be a concern with the A&H CQ desks).
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@uk_lefty I guess there's often going to be a bit of steep learning curve initially with a new multi-fx. I think having got mine after getting up to speed on the GT1000 Core, it was very familiar territory for me. Picking up your Qs in turn: 1. There's two main 'global' fx banks: "preset" and "user" - you should obvs feel at liberty to overwrite any in the user bank and order them how you like there. 2. The PEQ block is my starting point for EQ and you can select what frequencies you want to cut / boost - so for me a low cut combined with a +3db boost at 125Hz works well for a meaty low end that's not boomy. 3. Recommend spending a bit of time getting up to speed on out how to assign controls to select what parameter of which effect block you want to trigger. This opens up so many fab possibilities. What you're looking to do to get Channel 1 with an option to "mix in" channel 2 would simply require you to e.g. assign Cntrl 1 --> divide block to switch it from operating as single-path (A) to dual-path. I'm particularly liking using the expression pedal to smoothly increase the gain on an amp block to go from mild overdrive to fuzz, whilst simultaneously reducing the output level so the patch level stays constant. All done by parameter assignment. It's a very powerful tool at your disposal! 4. I'm not using a vast number of effects - 8 or so including pitch shift. So it's not difficult to scroll through with the up/down foot buttons. For most patches I have it set it 'clean' on one parallel path and my particular fx on the other path which I trigger using the Ctrl button. And then variations of an fx patch (e.g. tremolo rate or amount of drive) using the expression pedal. I've also got a couple of pitch shift patches set to +1/-1 semi as the patch options and +2/-2 semis, plus separate ones for octavers ("poly octave" for octave down and "overtone" for octave up). Hope that helps. Good luck!
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Kudos to you for taking the trouble to read the the A&H desk manual. Only additional comments from me are that: - this desk is very much geared to live gigging bands (they wouldn't have bothered with super nice touches like real time feedback elimination assistance otherwise, I suspect?) - and that A&H are a very reputable manufacturer, who aren't particularly associated with cutting corners.
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I guess because it just works? Flawlessly. For the 70+ gigs that we've used the A&H CQ18T desk since getting it. At each gig we've had one or two band members using a wired IEM straight into the aux outs (with no separate external headphone amp), and with the desk output levels being set for them no higher than for the wireless IEMs. Just to make sure I'm not losing the plot, I've just tried the desk with my home over-ear headphones and no external headphone amp. Could very clearly hear recorded output at similar volumes for both the headphone-out and aux-out with similar output levels on both. Go figure 😅
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"Normal Aux sends and just passive outputs that you can’t expect to plug headphones in to and hear anything." That's where I'm getting confused: there's nothing stopping anyone plugging their wired/passive IEMs directly into the monitor outs on the A&H CQ desk. Its built in preamps provide plenty of headroom, and I'm assuming the A&H CQ desk is not unusual in having preamps?
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Hi, you absolutely can plug your IEM directly into the CQ18 with nothing in between! You don't need a separate amplifier if you are going wired, and wireless units all come with built in amplifiers to enable them to transmit wirelessly. In my band two of the band members use wired IEMs straight into the desk and two of us use wireless (Xvive U4s). In terms of tailoring the individual IEM mixes, this can be done: a) on the desk itself; b) via the CQ app on each band member's phone, so they can adjust as they go along. In terms of setting the overall IEM volume levels, this can also be done: a) on the desk itself; b) via the CQ app on each band member's phone, so they can adjust as they go along; c) the wireless Xvive U4s have an additional volume control on the receiver (which clips onto our belts / garments). We had a Soundcraft MTK12 before - a very decent mid-range analogue desk. The A&H CQ18T is a very substantial step up in its capabilities: - being able to tailor IEM mixes IMO makes a MASSIVE difference to how well band mates adjust to and are happy to accept IEMs vs stage monitors/amplifiers; - then add on the ability to set and store EQ / mix / FoH settings for different line-ups and venues, which you couldn't even dream of doing with an analogue desk; plus - better quality pre-amps that have my singers remarking on the difference on what they're hearing, and I've not even started on the additional fx and other capabilities that the desk has! So I guess it's easy to see why the CQ18T has been the best piece of PA equipment that we've bought for the band in some while! Hope that all helps?
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It's certainly a very straightforward option to set personalised monitor out levels on the A&H CQ desks - so I'm not quite sure about your point that most mixers don't have preamps built in or if I've misunderstood what you're saying?
