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Small (pre?)amp

Discussion in 'Hobby Electronics' started by Jeremy, May 4, 2004.

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  1. Jeremy

    Jeremy Guest

    I'm looking for a device which is battery powered, whose input and output
    are both headphone jacks and which boosts the volume of an audio signal
    traveling through it. I'm not sure what it'd be called, but I need
    amplificaiton somehwere in the range of those older battery powered computed
    speakers.

    The intended use is between an electric guitar and a pair of headphones or a
    belkin FM transmitter. I've considered ripping appart one of those old
    speaker units, but I'm looking for a neater/cheaper alternative.

    Any sugestions, or at least a name for the thing I'm looking for. I didn't
    know whether or not it would be called an amplifier, as I'm more used to
    thinking of amps as either the thing on the end of a guitar lead, or an amp
    in a component strreo system.

    Thanks,

    Jeremy
     
  2. Phil Allison

    Phil Allison Guest



    ** Try your local music / guitar amp shop - there are numerous such
    devices on the market some with digital effects built in. One was called a
    Rockman, another Zoom - but there are others.




    ............... Phil
     
  3. Newsy

    Newsy Guest

    I think there is also a box called a "Sansamp"

    Rod
     
  4. Jeremy

    Jeremy Guest

    I was looking for a cheaper alternative. These devices tend to run 100 ~ 200
    dollars. I'm looking for a 20-30 dollar alternative.
     
  5. Phil Allison

    Phil Allison Guest


    ** In October 2000 Silicon Chip publishes a " Guitar Jammer" which is
    available as a kit from Altronics for $28. It has inputs for guitar and a
    CD player and drives stereo headphones, it runs off a 9 volt battery or PP
    supply.






    ............... Phil
     
  6. Bob M

    Bob M Guest

    Hi Jeremy,

    My son plays the electric bass. Many years ago, as a christmas
    present, my wife and I bought him a headphone amplifier that connects
    directly to the bass (1/4 inch phone jack) and a standard pair of
    headphones (1/8 inch jack). It runs on a 9 volt battery and we paid
    less than $25.00 at our local guitar shop. We have enjoyed many years
    of "listening pleasure" if you get my meaning. To this day we argue
    over who the present was really for. These devices seem to be standard
    stock at most guitar shops here.

    Cheers from Canada!

    Bob
     
  7. If you can tell the hot end from the cold end of a soldering iron,
    building one of these shouldn't be too much of a challenge...

    http://www.headwize.com/projects/showproj.php?file=cmoy2_prj.htm

    big
     
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