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PiO

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  • Location
    Quebec
  • About
    Soundman and musician and electronics bidouilleur.
  • Interested in Sound for Picture
    Yes
  1. JBond, I did honestly think it didn't have much historical value since it's been so heavily modified an defaced. I certainly believe that if this machine would have been in "pristine" shape then it would have been very much sought after, and would have caused a commotion here... I am still very proud to have such a well made and remarkable device, but it unfortunately does not serve me that much. And this is my main criterion regarding gear.
  2. Honestly, I would just be real happy if I could trade it for a good, working half-track stereo machine: that's what I really need. A Nagra IV-S would be amazing, but I'm not holding my breath...
  3. HA! If you understand Polish, then you could use what looks like a service manual for the Nagra III off ElektroTanya... https://elektrotanya.com/nagra_3_polska.pdf/download.html For the rest of us, it's of course incomprehensible.
  4. Well, I'm not a collector; the gear I own must be functionnal and serve me, otherwise I fix them or give them to friends or sell them. In the state it's in, I don't think my Nagra is worth a lot of money, so I might as well honor it and fix it back into service. I am browsing now on the JWsound site for service clues, but will definitely be more active on this subject and sollicitate Glen Trew and others when I receive the belts. I have found what appears to be a service manual on ElektoTanya, but it is in Polish!!... I guess Mr Kudelski must have written it himself. Thanks to this thread I have developed an interest in this long-forgotten machine that was sleeping in my basement!... Since then I have also unearthed a Uher 1000, a Uher 4000, and have decided to get my Sony TC-854-4 up to snuff.
  5. I have conducted some tests. Here is what I have so far: I have headphone signal on the top and bottom jacks. I have not yet found what the middle jack is for. It plays back somewhat OK, but there is some low level modulated rumble in the the signal, like a Diesel engine. Corresponds to motor rotation. There is also some leakage of the oscillator (same frequency anyways) about -50dB. I'll have to check bypass capacitors in the playback amp. (and most everywhere I guess) There is also some mechanical switching confusion: Tape Transport Control does not seem to switch off motor completely when in neutral position. I sometimes hear some sort of low moaning, and have to switch off the Function Selector. Also, when the Function Selector is on playback, motor will sometime not start when Tape Transport Control is engaged. Rewind is very weak, not surprising with the belts it has. So I have ordered a set of belts on ebay. Since my machine has no historical value, I'll at least try to have it functionnal. I don't know if this is the place to talk shop about these machine's repairs. if not, can anybody point me to the appropriate section/group/forum to do so?
  6. AH! here are some photos I took this afternoon... Large number of mysteries about this machine: the "B" in the serial denotes a broadcast model, which is not supposed to have Pilot. It was obviously retrofitted sometime... Pilottone indicator not at the regular place! I have not yet found out what the "int/ext" switch is about... I guess it has to do with clapper or pilot, but where is the "ext" signal connected?? Buttons for source check not introduced before 1964. Oscillator button 1962. Spacing of the headphones banana jacks is not consistent with 1958 model... I don't know what the third banana is for on the headphones out... Red switch is for oscillator tone. flutter rollers are not conform to 1958 model. I'm very intrigued by the "Made in France" insciption scratched and then painted over! Etc, etc, etc.
  7. Hello there!, I had to become a member after I stumbled on this site after I dug out the Nagra III that was given to me by a friend, long time ago. I fall in at page 32 of this thread, where there is a rather elaborate analysis of the serial numbers... I look on mine, and I see this: B5809. Would it be possible that I have something like the No.9 Nagra III??!? Now my unit is some sort of FrankenHack... it has been retrofitted with pilottone (and scars), had some switch added for oscillator tone, extra banana jacks added. It runs, but it need belts, and rubber ring that's fitted on the servo wheel to drive the supply reel (rewind). Plus the rubber around the top plate is all hardened and brittle, and is coming apart. Not sure it has much historical value... One Fine Day when I get free time, I'll take photos and post them here.
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