I'm seeing the sweet Bluetooth speaker as an amazing holiday markdown at Monoprice, and imagining a wireless practice amp. Is that stupid or brilliant?

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There are plenty of wireless guitar products but unfortunately bluetooth is not entirely practical because it's cost and power consumption would be considerable
Bluetooth is best understood as a wireless replacement for USB connections, designed for devices which are communicating with a digital (binary) signal, where a guitar signal at its most basic implementation is dependant on variable voltage. So you would need analog -> digital audio conversion in addition to wireless broadcasting.

If you were to build one it would probably be wisest to put it in a small shielded box which tapes to the strap and plugs into the guitar, just like most existing guitar wireless broadcasting units, in order to make battery replacement more practical, enable you to fall back to using a cable in the event of failure or interference, and to use multiple instruments with the one unit.
Best :)

a while ago  i  tried  making  fm  transmitters fit inside the guitar   to  play  through any  am/fm radio  ,  they  worked ,  you  could use any  radio   ,  even in   cars , just  by  finding the freq  .   but  sound quality  was  not there  ,  i  tried  beefing them  up a  bit  , and fried about  13  units  .  then i  made a large  model in a separate  box    ,, only  to  find out     china  has  kits  and units (radio  stations ) about    a 3rd  of  what  it  cost  me  to  make    ..lol  .   not to  mention local  broadcasting  regulations   here .  so  it  made  cords look  cooler again  ;-) 

Great, another thing for AT&T to take over.

How would you stop unwanted calls while playing?

I'd be afraid that I'd get put on the "Do Not Play List".

there are a ton of headphone-jack Bluetooth transmitters for your phone and mp3 players, and they are cheap, and a 1/4in to 3.5mm adapter is also cheap.

They will be equally up to the task, once it's digital its digital, it either works or it doesn't, there is no gradual degradation. Bluetooth will be cheaper and also easier to setup, just pair devices and you're in.

You could hack a little Motorola earpiece or whatever this is true, but be mindful that it will not be of the greatest quality or have the best dynamic range and headroom, it is optimised for voice and noise separation and cost effectiveness. Also, (in so far as being considered for a guitar broadcasting unit) it wastes half its bandwidth and power on carrying a signal back the other way (ie receiving from an iPhone or whatever) to an enclosed speaker..

I used to run the sound board at church. They had some cheap Nady wireless mics that were real bad with interference problems with other equipment, but the more expensive brand wireless mics worked well. Would be interesting to see how well this works.


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