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Can anyone confirm that the high pass filters in the Yamaha RIO stage boxes are analog (under remote control)? It makes the most sense that they're analog - if they were digital they may as well be in the console - but I can't find any reference to this in the manual. Cheers,

Does anyone have any measurements or other info on how the RM32AI mic pre's perform & sound, and how they compare to the M32 or X32 pres? I'm interested in how the RM32AI and X32 Rack could work as a Dante stage boxes. With Dante cards, they're a fraction of the cost of Yamaha RIO and Focusrite...

...2. Replace the LS9 with a Midas M32 and two DL16's. Pros: Price. ~$7500. Minus any money back from selling the LS9. Cons: No network redundancy.* Only 16 input channels accessible at a time. The sound team currently like having access to all 32 channels on faders. 3. SoundCraft Si Performer...

I used a AT250DE at two different carols concerts on the weekend: different venues, drummers, kits and mixing consoles. On solo over headphones at both, I could hear what sounded like the mic clipping, just on louder beats. The mic was just inside the port. I was only using the dynamic capsule...

I have a few EAW VR/MK series horns left over from previous install jobs. The horns have a 1.4" (35.6mm) throat and I'd like to drive them with 1" drivers. Can anyone point me to 1" to 1.4" horn adapters? (P-Audio have a 1" to 1.5" - not close enough - and I haven't found much else.) The EAW...

Re: Battle of the FOH's Lazy Sunday afternoon fun on Father's Day (here in Aus)...

I recently acquired a second hand xTi 1000. It sounds fine but the front gain knobs aren't matched. Ch1 seems normal. Ch2 isn't off (silent) at it's lowest detent (minimum). There's still signal getting through. At 2nd detent there's a little more and at 3rd detent the level is roughly the same...

Re: Coaxial Wedge Collaboration It's been sometime since I last posted about these. The photo below shows one of the 2nd pair in the foreground and one of the original BMS based pair in the background - see "sticky" post at the top of the DIY. For the 2nd pair I designed all the parts in CAD...

Passing through security at Sydney airport today, my carry-on was hand searched. A dangerous item had appeared on the scanner - my Audix TM1 measurement mic. No problem in the end but I might pack it with checked luggage next time!

I just came across this option for a spectrum analyzer for setting up UHF wireless mics and the like. RTLSDR Scanner | Ear to Ear Oak If you google the above and "Ray Gibson" you'll find that Ray has modified some of the python scripts - which are available for download - to denote UHF channels...

At events on the weekend a power spike took out some power amps and some other gear. A Lake Contour blew a fuse. A Lab PLM 14k (not on) started pouring smoke. (A 400VDC electrolytic popped on the lower power supply board that feeds the Lake board. All fixed now.) Smoke also came out of two QSC's...

Hi all, Here's a cautionary tale from the weekend. I had configured two PLM's to run my 3-way cabinets using the 6.1 Lake Controller. For Dante, I had channels 15 and 16 from a Yamaha MY16-AUD card in the mixing console routed to channels 1 & 2 of the PLM's "Dante Receiver Configuration" and...

Here's a, probably naive, question for the seasoned speaker designers lurking here... Recently I've spent way too much time looking at spec sheets for 15", 18" and 21" drivers - JBL, B&C, BMS, 18sound etc. - and one way I've tried to compare the drivers is to plot their 1W freq responses scaled...

I'm considering a 6 element endfire sub arrangement under a stage for an outdoor gig in December. I'm confident of the array aspect - I've modelled the spacing and delays - but was wondering if there are any gotcha's with regards being under the stage? The stage will be open at all sides and...

The draft band plan for the "Digital Dividend" reallocation of UHF TV in Australia, due to complete in the next few years, has a vacant "mid band gap" between 748 and 758 MHz. Conveniently this overlaps with the middle of the Sennheiser C range. Just wondering if anyone knows if using the gap...

Looking for leads or tips on insurance for PA gear in Australia - damage, theft and liability. A google search turned up AIS. Anyone have an strong preferences or opinions? Thanks,

I saw Mark Knopfler at the Royal Albert Hall last Monday night. The rig was (I think) Meyer and pretty well tuned. Mark sounded great... The support act was Ruth Moody and what surprised me was how low her vocals were, relative to the band. The band mix was really nice, but her vocals were...

QSC CX404 Amplifier $600 Purchase 2nd hand in July 2009. Includes input plugs/terminals (see photos). Location: Southern Sydney, Australia. Only occasionally used by me: mostly moderate level monitors. Previous owner bought it new and used it for HF drivers. Specs can be found here. QSC - CX...

EAW CP466 For sale $290 Excellent condition. Some faint scuffs. Bought new in Oct 09. Only used for about 30 mins at low levels. Stored in my garage. Location: Southern Sydney, Australia.

Does anyone have solid experience in measuring loudspeaker sensitivity? Manufacturers often provide sensitivity plots, as a function of frequency (1W/1m), and a single sensitivity number, say 98 dB 1w/1m. The frequency plot makes sense but it's not clear to me how the single number is derived...