Offered is the Bruel & Kjaer Two-Channel Power Supply 2308, Channel Selector WB0041 and 2 Channel Mic Selector 4408. The components are part of a precision sound recording system from the 1960's.  Each is clean overall with a few scratches and scuffs on the plastic cases.  The 2803 amp is quite heavy for its size. The selector switch on the front rotates properly and the power switch on the back operates properly. There is a voltage adjustment switch for European or US Domestic voltages.  The power cord is missing from the supply. The Channel Selector has a tiny power switch added to the front. Its selector switch rotates properly. The small output jacks on the back are in good condition. Its bottom feet are still in place.  The Two-Channel Microphone Selector has marks and scuffs on the case. There appears to be a switch or a jack missing from the front. The bottom feet are missing. The Mic Selector has a long multi conductor cord attached-it has no plug on the end.  Pick up the uncommon Bruel & Kjaer equipment for your own studio or Hi Fi collection.  Mouse over the photo images to zoom in. Bruel & Kjaer, Copenhagen, Denmark.  Probably 1960's vintage. 15 pounds packed up. Offered untested and "as is" due to age for restoration or parts. Mouse over the photo images to zoom in. NO RESERVE!! Thanks for looking.