For years there has been a critical demand within the sign industry for a book on the structural engineering of signs. This comprehensive text more than meets that demand -- it exceeds it. Sign companies, ...
#1 JT has a serious problem with mismarking their loading and wattage tags.
#2 Also mark boxes red,but they are white.
#3 Glantz as far as I know pretty much have exclusive rights to JT.So they push them out faster than the other brands.(profit)Hey, thats business.I Just did a big channel letter job that went bad.Red JTs,power supply per letter,14 letters.All are severely spotted.You can define the leds through the face.The leds went orange.Glantz says to use Sloan power supplies(mod 60)They have always claimed that JT supplies suck.All my letters were broken up in sections of less than 40 modules,all center loaded.Glantz came out and used a JT supply and eveything stayed red.Same specs on both suppies.I figure wattage for a 60 watt p/s at 54 max.I cant figure it out.The leds themselves seem to be descent,but there are alot of manufacturer errors on loads.Leds are still a work in progress.By the way,to help answer your question,Glantz reps dont know this product very well.If you call with a question that is not on a data sheet,they will call the manufacturers reps to find out.Seems like you would know a product if you had exclusive rights.
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