9/14/2012

VocoPro UHF-8800 8-Channel Wireless Microphone System Review

VocoPro UHF-8800 8-Channel Wireless Microphone System
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(More customer reviews)
First the good: The tonal qualities are great, I'm running about 62% on the gain (50% is straight up) and getting good volume. Even with shouting I'm not getting any overloading. You can optionally order beltpacks (headset or lavaliere) on the same frequencies to mix and match wireless hand-held and wireless beltpacks. And a high-end headset is optionally available for guitar vocals. VocoPro also has matched form-fitting windscreens in 5 colors, which don't match the frequency colors for some reason. Also love that the metal case has foam cut-outs to store the mics.
Now the bugs: Our church is moving away from 700Mhz, and this is the first 600Mhz equipment I've used. I've heard there might be a few hiccups with signal strength in this less desirable frequency band, and that's what I'm seeing. Even though the receiver is only 65ft away (vs 150ft max), with the stock screw-on antennas you can forget about mounting it in a rack. Even with direct line of sight (receiver facing backwards) I'm seeing a few deadspots around the monitor speakers and walking around the stage. (This was noted in the UHF 8800's manual to look for deadspots and avoid them). With more than 5 wireless mics turned on I'm noticing signal breakup if you move the mics around. (Update:) I talked with VocoPro about the signal breakup, and they recommended not using the Q and M frequencies during my testing as a TV station (as seen on the shure frequency finder website) might be causing interference. They did confirm direct line of sight is recommended, so to rack mount this receiver I'll need to move/extend the antennas. They had no recommendations on using third party antennas, so I'll have to do more research. (Update:) I was able to finally rack mount the UHF 8800 receiver by extending the stock antennas. I mounted the antennas into "Cable TV style" wall boxes above our sound room, using 50 ohm TNC barrel adapters (pass through) installed into BNC Cable Wall plates (drilled out for TNC connectors). I used 15 feet of ultra-high end LMR-400 (RG8 grade) coax cabling cut matched length, and connected that to the UHF 8800 receiver with TNC connectors. This setup seems to work just as good, but I still am dealing with deadspots around the monitor speakers.

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