• The move to the new server is done. There are some software and database maintenance updates in process. This has us passing the hat around to help out. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html

phonautograms

  1. P

    Help…Pilot MC-4000a

    I just purchased this unit and know little to nothing about it. I’ve tested various functions (am, fm, tape, phonograph, speakers, power inputs), all of which work well. I did a simple google search to find out a little more like when it was made, what kind of unit it is (solid state etc) and...
    • Pilot mc
    • Thread
    • am audio cassette fm antenna phonautograms pilot receiever solid state stereo tuner
    • Replies: 5
    • Forum: Solid State
  2. transmaster

    Phonautograms, The first audio recordings 1860

    Thought this might be of interest to you. Édouard-Léon Scott de Martinville invented audio recording and in 1860 he made a series of "recordings" on what he called the Phonautograms. They where recorded as traces on paper covered with graphite mounted on cylinders. The big problem was while...
Back
Top Bottom