Minifon wire recorder
WebModel: Minifon P51 - Protona, R. Stach; Hamburg, Dimensions (WHD) 110 x 35 x 170 mm / 4.3 x 1.4 x 6.7 inch Notes Aufnahmekapazität mit einer Drahtspule: 1 Stunde; Drahgeschwindigkeit: ca. 30 cm/s. Automatische Löschung mit magnetischem Gleichfeld. Anodenspannung: 30 V; Motorspannung: 9 V. Versorgung über Netzanschlussgerät … Web3.2K views 11 years ago This is a demo of one of my Protona minifon reel to reel wire recorders I bought on Ebay. It sounds ok for it`s age, I replaced the drive belt and the supply spool O...
Minifon wire recorder
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WebFind many great new & used options and get the best deals for Vintage Minifon P55 Spy Wire Recorder Protona German Army Police Cold War NVA at the best online prices at … WebThis device belongs to the same group of electromagnetic wire recorders as the Minifon P55 and the MN-61 military recorder, which were both produced later than the Webster Chicago model. The use of reels of magnetized wire to record electric signals goes back to Valdemar Poulsen’s 1898 Telegraphon, an early electronic sound-recording device.
WebAs in the Minifon, the number in the device name indicates the year when it was developed. The MN-61 is the ground-based version of the wire recorders that were installed on airplanes, and could be used to play back recordings made with both systems. It was used until at least the 1980s. Weighing 12 kg, it exemplifies the sturdy design typical ... WebTonschreiber from a German radio station in World War II. Magnetophone, or simply Magnetophon, was the brand or model name of the pioneering reel-to-reel tape recorder developed by engineers of the German electronics company AEG in the 1930s, based on the magnetic tape invention by Fritz Pfleumer. AEG created the world's first practical tape ...
WebDate of production: unknown, ca. 1949. This video demonstrates the use of the Webster Chicago wire recorder (model 80-1). The device belongs to the same group of electromagnetic wire recorders as the Minifon P55 and the MN-61 military recorder, which were both produced later than the Webster Chicago model.The use of reels of … Web5 mei 2015 · The Minifon you have is the very first series, model P51. There were several hundred of them made, mostly for surviellance work. It was a wire recorder. There aren't …
Web9 okt. 2010 · These are wire recorders and it will be interesting to see what price the sellers eventually get. One difficulty these days is that the Minifon requires a 30 volt battery, which is not easy to get unless you live in the USA. If so, you can get it from www.batterycountry.com The type number is Eveready 413 and costs $US17.
WebIn its original form, the Minifon was a wire recorder, using a type of wire medium developed by the Armour Research Foundation of Chicago and employed in many similar devices since the late 1940s. The machine at its introduction in 1952 had a recording time of one hour, which was remarkably long, and weighed only about 3 pounds at a time … shipmaster lookWebNew Page 1. The Fabulous Minifon Wire Recorder By Protona. I have found another great little gadget to obsess about. This is another example of fine German engineering from the mid 1950's, like the Minox. This … quarth romWeb16 aug. 2011 · up to a modern tape recorder amplifier to hear what is on the wire drums, before looking at the electronics proper. All 3 peanut valves and all the rest of the electronics seem to be present. At least the previous owner removed and discarded the 3 batteries 40 years ago. There is one brand new Protona set of spools with security tape around the shipmaster ltdhttp://minoxdoc.com/ quarth plattformenshipmaster halo wars 2WebThe wire in question is not the wire running from the microphone to the recorder, but the actual medium the recording is made on. Before magnetic tapes, there was magnetic wire. This wire continued to be used into the tape era for small/compact recorders such as those that could be kept in a pocket. quart filling machineWebWire recorders are equally fascinating, and for its stunning good looks the green Telefunken 600 “Portable Dictating Machine” which uses “magnetic recording discs” is in my collection, although it’s basically office equipment. It was made in Germany, probably in the 1960s. The really small Tapette takes extra-tiny 1.75-inch reels (Japan, mid-’60s). shipmaster quotes halo