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csg

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    Working in the industry
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    owner of impulse audio
  • Professional organisation membership
    bectu
  • Full Name
    chris griffith

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csg's Achievements

  1. Reticulated foam, also called filter foam. Pentonville Rubber in London are the people I use, they can supply in various grades and thicknesses, by the sheet or cut to size.
  2. I bought a big batch of EBL 2800mA AA rechargeable cells 6 years ago to power our sennheiser stock. Still going strong with maybe 3 failures in total. Thats saved me an awful lot of procells! I also still have a fair few duracell, energizer and even maplin ( remember them?) and whilst the EBL run longer thry have all been fine too plenty of batteries and nice slow charging that doesn’t cook the batteries is definitely a good thing, but does require forward planning and discipline.
  3. I was planning to visit Plasa for probably the first time in 15 years, mostly allured by this exhibit, but alas was kept away by a nasty bout of Covid. The news that this is happening again next year is great news. owning as I do a collection of old moving lights ( vl2, vl4, tasco starlight mk2 etc) I was very impressed that the exhibits were operational, that must have taken quite some work as I know just how grumpy they can be! anyhow, hopefully I can avoid the bugs next year and make it down there
  4. another consideration is the focal length of the lamps reflector - they my very well be the same between two models of lamp, but without the relevant data sheets...any changes here would obviously have effects on the optical train
  5. If you are looking for a nice led GU10 to dim then try the showtec sunstrip LED lamp. These warm on fade out and are damped at the bottom of the range meaning that you get a nice smooth fade to black. They are more expensive than your average GU10, but they are equivalent in output to around 75W halogen and are certainly the best looking in terms of tungsten replacement that I have seen. They are designed to be run in sunstrip actives that have simple triac dimming. In regards to houselights, similar but on a larger scale, look out chauvet strike type fittings, there are now quite a few that have a nice warm glow out at the bottom of the range and are plenty bright enough for bright working light and subtle enough for warm cozy dimmed states. We have a load of the 2 cell blinder style ADJ Encore Burst 200's that do an excellent job of replacing 1300W tungsten halogen for 220W.
  6. ive had a scarlet tech anemometer for our outdoor stage structure for several years and it's been bullet proof. Completely wireless, it uses a lithium battery in the transmitter which easily lasts a whole season ( usually at least 20 weekends hire) and the receivers have a range of at least 400 metres and will run for several days on a couple of AA's I ordered directly from them in Taiwan and it turned up very quickly. much much neater than the weather station type things. scarlet-tech.com
  7. ive still got a couple of T1's on the shelf...no idea why, long time since I had any suitable lanterns. can't throw them away though. Philips 9290020550 lamps ( A60 bulb E27 2700K 2452 lumen) work very well in 123's fitted with E27's for use as practical or display fittings, the LED filaments lining up with the optics well - obviously no way near bright enough for T28 replacement, I also use the same lamp in our practical Patt 43's etc
  8. To avoid potential toxic bi-product issues and also the danger of clogging the vaporising coil stick to the manufacturers recommended fluid. Glycol can produce some fairly nasty compounds when burnt ( used in a machine that runs too hot for the fluid in use) your best option to thin the output is to run the machine at a very low output and spin it out with a suitable fan. A larger fan running slower will generally be quieter.
  9. csg

    Name these mics

    bottom mic looks like an AKG D12, a kick drum favourite from yesteryear
  10. I think we still have a few Crompton 120W par38 floods on the shelf, they have been there a while. please contact me if of use. I think there are a few Philips T1's lurking too!
  11. csg

    Powersoft

    I can only go on my 30 years providing PA systems run on substantially temporary / generator based power systems. Early days were Crest P001 series ( mostly 8001's and 9001's), then moving to Lab Gruppen and more latterly Powersoft. The current models ( we are mostly X series based) have PSU's that will run on SPN+E, 2P+E or 3P+E with a very wide range of voltage acceptance without a loss of headroom on the audio side. We have FAR fewer issues with mains systems now then back in the Crest days of the 1990's - this may be in part due to better temporary supply design, but looking at metering on our racks inrush is a fraction of what it used to be, power factor and harmonics are also much reduced and general reliability is far improved. I certainly wouldn't wish to move back to linear PSU's, and being able to hang these large amplifiers ( 8 channels, 40Kw on a 12 dB crest factor) over 3 phases is a real advantage on larger systems, makes balancing much easier. Im quite sure this is not likely the case with cheap and cheerful SMPS units, but that's not the fault of the technology, just poor design. The PAM's were mooted as a possible replacement to the crest amps. along with RAM audio from spain ( they sounded great as did the Ecler's, but were very prone to failure, worse than the PAM's) but in the field the Labs proved much more reliable - and to be fair the Ecler's were likely more suited to installation use.
  12. csg

    Powersoft

    Interesting, I used to find the PAM amps particularly unreliable ! Good SMPS with PFC are the way to go on modern systems and are far kinder to generator / temporary power systems, not to mention the fact that they can operate on a much wider range of voltage and frequency compared with any linear PSU.
  13. csg

    Powersoft

    The K2 is now quite an old model. I would encourage you to have a look at the T series - these have a full set of modern specs such as universal power supplies, Dante, superior DSP and superior sound quality. I can clearly hear the difference between K and T series. powersoft is a top tier amp manufacturer used globally in touring and premium quality installations.
  14. As our rateable value is only £9000 I applied for the small business grant and have been successful. Our premises are warehousing for production equipment. As far as I am aware, the £25,000 leisure industry grant only applies if your premises are used directly for entertainment, retail or catering. The grant is not a lot, but better than nothing. No money has appeared yet, apparently that should be with us over “the next few weeks”..
  15. I would suggest looking at the Litton Veam range of multi-way connectors, or compatible connectors from Syntax etc - these are fairly standard in touring circles these days as they are easy to mate, robust, compact and offer reliable connection. they are however slightly more involved to terminate than a d-sub or XLR but there are plenty of companies around who will construct cable assemblies to your spec if you are not up for the challenge. VDC would be one such company. I would avoid the ~DB25's, we used to use them for ILDA laser control and they don't travel well ! Cheap yes, but when your show is hanging off it.....
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