Amp for Apple G4 speakers

Discussion in 'Mac Pro' started by aburns, Aug 28, 2013.

  1. aburns macrumors newbie

    Jul 12, 2013
    So I have an old pair of Apple G4 speakers that I stripped the wire to and reattached a 3.5 mm male stereo plug. The speakers work when I plug them into my mbpr (newest one) although there is obviously not enough power to drive them very loud at all. I am looking for a small amp that runs on 110V AC and has an input and output port for a 3.5 mm jack. Any ideas?
  2. krisosha, Aug 28, 2013
    Last edited: Aug 28, 2013

    krisosha macrumors newbie

    Jun 20, 2013
    using an amp ect to power such small speakers isnt recommended dude, especially amping them.

    Just buy a set of cheap logitechs ect. 100% less hassle and you wont blow your drivers. Probably cheaper too. Not to mention better sound. They will probably just play nothing but distortion if you amp them up anymore.

    Edit: Actually, a regular headphone amp might work, but it will just sound like rubbish, do not do this.

    Buy some new speakers.
  3. tomvos macrumors 6502


    Jul 7, 2005
    In the Nexus.
    A few years ago there was the Griffin iFire:

    It has been discontinued for some years. Perhaps you can find a used one on ebay for an acceptable price.

    But to be honest, I second krisoshas advice. Buying a new set of speakers is probably cheaper than getting an amp. In Europe the ifire is quite rare and expensive on ebay. And even with the ifire, you still have bad sounding speakers which lack any kind of bass range.
  4. tony3d, Aug 29, 2013
    Last edited: Aug 29, 2013

    tony3d macrumors 6502

    Apr 6, 2006
    Just buy one of these. You can get it at Parts Express. Excellent little amp. I have it powering a pair of AudioEngine P4 monitors. $79.00! Of course if going to do that you may as well buy some good speakers. These Dayton Audio B 625's are very good sounding, and will blow away any powered system you could buy accept AudioEngine products. These are also available at Parts Express.

    Attached Files:

  5. tony3dd, Aug 29, 2013
    Last edited: Aug 29, 2013

    tony3dd macrumors member

    Aug 14, 2013
    Here's the Dayton Audio B625's $40.00 a pair!

    You will also need one of these adapters 1/8" to RCA then buy RCA leads.

    This combo will give you very high quality sound for a small investment of about $120.00 plus the cables.

    Attached Files:

  6. ActionableMango macrumors G3


    Sep 21, 2010
    Tony3d and Tony3dd

    Are you guys twins or something?
  7. gobsmacked, Aug 30, 2013
    Last edited: Aug 30, 2013

    gobsmacked macrumors member

    Jul 7, 2013
    Alberta, Canada
    iFixit has article

    iFixit has an article on converting the Pro speakers for use with a normal amplifier. You've already done the conversion but the other recommendation is to use a small class D amplifier. The article also says that you're not going to get much volume out of them.
    The article title is:
    "Using Apple Pro Speakers with a class-d amplifier"
    Most of the electronics hobbyist sites carry class D kits but you could also try looking for the pre-assembled version. Use one of the brick type power supplies.
    BUT as others have said new speakers would be a better sounding option. I only use mine for beeps, alerts and the like.

    Just looked at Parts Express and found an amp with power supply, remote, USB / SD player, FM tuner for $26. It's about same price without all the whiz-bangs and is only $5 less without power supply.
    Lepai Digital 2x15W Mini Amplifier with Remote USB MP3 SD FM

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