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Bazz339

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    Working in the industry
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    Ex Theatre Sound Engineer now semi retired.
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    BECTU
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  • Location
    Cheshire. UK
  • Interests
    Walking, Sailing (Had own small trailerable sailing cruiser, currently boatless), Sound. Industrial History. Reading.

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  1. Thank you for the input folks. Already tried suggestions. I have just had another look at them and there is no grub screw apparent on thes. In all other respects the exploded diagram looks like what I am looking at.
  2. Specifically which way does the back twist to get it off, I haven't managed to budge them in either direction. I couldn't find any grub screws. I also had to open a LK Connector version. That had a grub screw, transpired that had be twisted clockwise to get it off which was counter intuitive for me and the threads were oxidised.
  3. The later replies to this thread were interesting and in line with what I felt was possibly happening re AGC etc.
  4. I tested it before I took it to site and was a little concerned, however, site was only a couple of miles away and I decided to try it in situ. I am used to testing radio mics in my (SmalI) workshop and accept that gain before feedback is low because of the proximity of mic to loudspeaker but the feedback experienced on this occasion was different to normal. I have arranged a return. I will do a bit more testing to make sure I am not missing anything. but at present don't have confidence in the unit.
  5. I am not trying to use tx's and RX's from different sets. This is newly purchased set that seems to be functioning other than I would expect.
  6. Does anyone have experience of using these? I purchased one (without a mic) for installation in a church to replace a faulty TOA system, I have used many of the basic Trantec systems over the years starting with the S2000, S3600 and S4.04 from a couple of years ago and they have always performed well for the price for speech apart from an earlier variant of the S4.04 (I think) also sold as a Sennheiser Freeport which put a click onto the system when powered up with the mic channel open (As happens with small non operated 100V line speech systems) This unit seems to be a dog, I tried it first in my workshop and experienced a type of feedback like I had never heard before, I had never used the type of capsule that I was using with it before and tried others but the system still seemed unstable despite adjusting input gain, ouput gain, volume of loudpeaker etc. My workshop is small, I took it to my local church and tried it there and then took it to site a few miles away. Whilst things were better in the intended church I still felt it was not stable and decided I could not leave it with them. It felt like there was an issue with some automatic gain, or compander circuitry. Has anyone else experienced this with these units? The ones I bought most recently (A couple of years ago) prior to this were fine, Is this is a revised version does anyone know? As there seems to be supply problems with the Trantec units a JTS system E-6+E-6TB+CM-501 CH70 was suggested as a replacement. Has anyone used these? Main requirements are reliability, reliability of reception, speech clarity and absence of click when switched on and off with channel open, 50 M line of site range (Although in fact maximum distance TX to RX is cc 15m).
  7. In 50years I rarely come across Pin 1 taken to chassis of the plug and have never done it. The only time I could see it might be advantageous is if the connectors were adjacent to something unscreened kicking out a lot of electrical or higher frequency interference.
  8. I am sure every small band, every small rural church, venue, dance studio etc. Is fully licenced and aware of the frequency band changes and fully compliant with them
  9. Thanks Yorkie that is what I needed, Bruce thank you, unfortunately it is the TX that is faulty. I will recommend replacement. The capsule and aerial are both beyond repair so not economic to pursue an electronic fault.
  10. Following on, even if the cable is balanced mic (Not DMX etc.) The input to the speaker needs to be balanced as well. If it is balanced at both ends, is there an earth lift switch on the speaker? Have you tried that in both positions? Does the cable run adjacent to lighting cable, if it does move it well away. If that doesn't do anything you could try replacing it with quad cable. P.S. The mic, being dynamic might be picking interference directly if it is adjacent to dimmer cables or lights. If everything is on the same phase it may be mains carried.
  11. Hi, Does anyone have a list giving frequency against numbers on the dial of the multi position rotary switches used to set the freqency please? I have downloaded a copy of the manual and searched on line but not come up with anything. I have a TX passed to me for repair as non functioning, the RX is still on site some way away. I am sure I have tested this unit before using my Sennheiser UHF receivers but am not get anything from it. It may be I am not finding the right frequency. The actual lavalier mic is working although in need of replacement, it has been repaired that many times. I am suspecting a TX fault. Does anyone know what the spec of the DC connector to the RX is please? I.e diameter of socket and central pin.
  12. Thank you for the clarifiaction. In this instance there is no data cabling installed and unlikely to be a need for any in the forseeable future, so AvoIP is probably an unnecessarily expensive option.
  13. Sorry buried my head in the sand again and now feeing better. By AvoIP do you mean HDBaseT or yet another protocol? What I would like to achieve is a system whereby I can distribute to 4 monitors at the front of the church (2 Monitors for the choir and two main monitors for the congregation), 1 at the rear balcony as a comfort monitor and a projector mounted on the side wall as per diagram. Ideally I would like to run one cable for the 4 front monitors and split them locally although conceivably it might nice if it was relatively easy to add a second cable so the choir monitors could receive a separate signal. It is one of the reasons I thought of SDI first as I believe it is possible to daisy chain? TV Schematic 2.pdf
  14. Sorry been away for a bit and now recovering from a relatively minor dose of Covid. Thank you for the replies to date.
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