Here are some useful websites to visit. Simply click on the website name to visit the website.                amatuer radio site set up by me and my wife to share experiences and enjoy ham radio.  fast friendly service, great antennas for the radio amateur at cheap prices.       specialists in valve radio repair to a high standard, also radio sales.  listen to old time radio shows.  Valve radio site. Valve radio repairs and sales.  British vintage wireless society website.  An absolute mine of information.  Vintage radio sales,based in chester This company sells valves,radios and supplies service data.  Based in Sale,Cheshire, sells vintage radios and also repairs them as well. A very interesting man to talk to. Also specialises in the older types of car radio.  Modifications galore!! for your Quad 405 power amplifier also lots of useful information as well. Quad 405 circuit diagram.  an absolute must for all fellow radio enthusiasts.