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poor man's wireless headphones?

Discussion in 'Electronic Repair' started by Joscelin, May 27, 2004.

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  1. Joscelin

    Joscelin Guest

    how are these made? Can I take the AM loop antenna, hook it up to the speaker
    terminals on my power amplifier, and just take a cassette walkman, make sure
    there's no tape in it and that the batteries are fresh, and push play and put
    the tape player next the am antenna and turn up the volume on the amplifier?

    (do not try this at home)
     
  2. Jerry G.

    Jerry G. Guest

    It needs a real transmitter and your headphones need a real receiver. What
    you want to do will not work. A wireless headphones is very complex,
    compared to your perception of it.

    Take care to NOT hook anything up to your amplifier's output, other than
    speakers that are of the correct impedance range for the amplifier's
    specifications. If you mess with this, you may end up damaging the output
    stage of the amplifier.

    There are some low cost wireless headphones on the market. Do a search, and
    you will find something. You may find it more worth while to just get a low
    cost walkman type player.

    --

    Jerry G.
    =====


    how are these made? Can I take the AM loop antenna, hook it up to the
    speaker
    terminals on my power amplifier, and just take a cassette walkman, make sure
    there's no tape in it and that the batteries are fresh, and push play and
    put
    the tape player next the am antenna and turn up the volume on the amplifier?

    (do not try this at home)
     
  3. Dbowey

    Dbowey Guest

    Joscelin posted:

    << how are these made? Can I take the AM loop antenna, hook it up to the
    speaker
    terminals on my power amplifier, and just take a cassette walkman, make sure
    there's no tape in it and that the batteries are fresh, and push play and put
    the tape player next the am antenna and turn up the volume on the amplifier?

    (do not try this at home)

    Yes, you can do this exactly as you describe, but it would work better if you
    would wire it in series-parallel with the telephone configuration you described
    in a previous message.
     
  4. Vidar L.

    Vidar L. Guest

    Bluetooth chip on computer, and a bluetooth headset :) Is quite
    expencive, around 100$, but it's nice :)
     
  5. jakdedert

    jakdedert Guest

    You're gonna end up with distorted, noisy, inconsistant mono sound in the
    best of circumstances...blown amp and/or no sound more likely. Wireless
    headphones have come *way* down in price lately. Check Ebay....

    jak
     
  6. Dbowey

    Dbowey Guest

    jak posted:

    You're gonna end up with distorted, noisy, inconsistant mono sound in the
    best of circumstances...blown amp and/or no sound more likely. Wireless
    headphones have come *way* down in price lately. Check Ebay....
    Get real!
     
  7. jakdedert

    jakdedert Guest

    'Get real' as in: it's not true, or 'get real' as in: you would never shop
    Ebay; or....

    One vendor with whom I've had 'fair' luck's current offering:
    <http://search.stores.ebay.com/search/search.dll?query=wireless+headphone&sr
    chdesc=y&sid=22683616&store=Buy+Essex&colorid=12&fp=0&st=2>

    I'm sure there's more...and these guys tend to charge way too much for
    shipping; but even at that, less than $5 plus shipping would qualify as
    'cheap;' wouldn't you say?

    Or are you just trolling?

    jak
     
  8. jakdedert

    jakdedert Guest

    Another Ebay search on completed items, "wireless headphones" all
    categories:

    <http://search-completed.ebay.com/Wireless-headphones_W0QQfromZR10QQsatitleZ
    Q22WirelessQ20headphonesQ22QQsbrsrtZlQQsoitemstatusZ2QQsosortorderZ1QQsosort
    propertyZ3>

    Many of the Emerson models went for $0.99 or did not sell at all...not the
    greatest 'cans' to be sure, but preferable to what the OP was proposing,
    unless he was just doing it as an experiment.

    jak
     
  9. Dbowey

    Dbowey Guest

    jak posted, in part:

    << Many of the Emerson models went for $0.99 or did not sell at all...not the
    greatest 'cans' to be sure, but preferable to what the OP was proposing,
    unless he was just doing it as an experiment.----

    If you had read BOTH of the OP's posts you would have a better understanding of
    his last post and mine. At least one of us is trolling and at least two people
    felt the hook.

    Don
     
  10. The original post is a troll.

    There is one person, or maybe a number of people, who have something
    against the alt.tv.game-show newsgroup, so for some months have
    been cross-posting between it and various other newsgroups. It's
    been bad enough in tv related newsgroups, but now they've found
    sci.electronics.repair This is not the only thread posted this
    way, there have been some other ones that are clearly nonsense.

    All one has to do is check what newsgroups a message has
    been posted to. If it's cross-posted to alt.tv.game-show
    then it's best just to tune out. They have no interest
    in an answer, indeed they aren't actually asking legit questions.

    Michael
     
  11. Jeff

    Jeff Guest

    Essentially yes, although the shielding on the tape head may be a
    problem.
    I have made a successful system by running a loop of wire around the
    room
    (with a small series resistor for protection), and using one of those
    telephone pick-up coils (the ones that you stick to the phone with a
    suction cup for recording calls) feeding a high gain audio amp to
    headphones.

    It works supprisingly well, but of course is mono only and certainly
    not hi-fi.

    Jeff
     
  12. jakdedert

    jakdedert Guest

    OUCH! My Lip! That's gonna leave a mark....

    Any advice on how to remove barbed hook from human lip? I'm considering
    pushing it all the way through after cutting off the shank. I'm concerned
    that my diags will not be up to the task, or that they might leave a burr on
    the cut end which will cause further injury as it's pulled through the
    wound.

    Maybe I should just leave it as a reminder?

    |:-Q

    jak
     
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