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Shure BLX Frequency maps UK, K3E only

Shure BLX Frequency maps UK, K3E only

Shure and channel 38 compatibility The Shure BLX K3E radio mic systems which have no frequency display are not quite as channel 38 compatible as they might appear in the sales blurb from suppliers . The problem is that all the groups do not use only frequencies in the... Read more
PAT – Portable Appliance Testing

PAT – Portable Appliance Testing

PAT – Portable appliance testing FAQs http://www.hse.gov.uk/electricity/faq-portable-appliance-testing.htm I think this will be helpful for you to understand the legal position with regards to Portable appliance testing. in particular the case studies are... Read more
Loop amplifiers – The Facts

Loop amplifiers – The Facts

Loop Amplifiers :The good the bad and the downright ugly Loop Amplifiers are great  for improving hearing for people,  via their hearing aids using the “T” facility, in a church or conference environment, In these places you tend to have people speaking... Read more
Combined signal and power cables

Combined signal and power cables

Combined signal and power cables “Why are the lighting and sound cables different” Well one thing to point out is that dmx uses rs485 and the physical layer of  RS 485 requires a  cable with a characteristic impedance of 120 ohms This prevents unwanted reflections of... Read more