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CD Player Into A Combo Amp?

Discussion in 'Amps [BG]' started by ZenG, Dec 29, 2013.


  1. ZenG

    ZenG

    Joined:
    Dec 13, 2013
    My amp has a "cd in" jack.

    Haven't used it yet but plan to......

    I was interested in connecting a boom box to it that gets radio stations as well...

    But seeing as how it's a bass amp , how do cd players and boom boxes sound through it? Especially when you have the treble and mid on the amp cut way back?

    I also notice there's no volume switch for the cd player jack by itself so it's subject to whatever the volume of the amp is set at?

    Also looks like I'm going to have to go to RadioShack or someplace to get a cable that goes from cd to amp......although the out jack on the cd player isn't a 1/4" stereo plug.
     
  2. dwjazz54

    dwjazz54

    Joined:
    Jan 21, 2003
    Location:
    Jersey City, NJ
    I use my GK MB212-ii hooked up to an iPod or Pandora for dinner parties. Doesn't sound as good as a dedicated home audio system, but it certainly does the job well enough. At least through my amp, it sounds a little bassy (for obvious enough reasons).

    I'm sure that a more neutral sounding bass rig would sound better for this purpose, but it works just fine for my needs.
     
  3. ZenG

    ZenG

    Joined:
    Dec 13, 2013
    Thanks.....
     
  4. RadioactiveGuy4

    RadioactiveGuy4

    Joined:
    Feb 24, 2011
    Location:
    Dayton Ohio
    Im pretty sure that the CD input skips the pre amp (or should anyway) that way you can play bass to your favorite tunes. Since it skips the preamp you souldnt have to worry about having your highs cut.
     
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  6. StuartV

    StuartV Out of GAS!! Supporting Member

    Joined:
    Jul 27, 2006
    Location:
    Bristow, VA
    I run an MP3 player into the Aux In on my Promethean P5110 (1x10 combo) and it sounds really good. As RG4 said, it bypasses the preamp section, so the amp EQ doesn't affect the MP3 sound - only adjusting the tweeter attenuator knob on the back does. So, I use the volume on my MP3 player to control it. If I were using a CD player with no output level adjustment, then I would use the Master Volume to control the MP3 volume and use the Gain knob to control how loud my bass is.

    I even used the Promethean as my complete home theater sound system (using Line Out from my TV) for the last few months, while I was in temporary housing and it was great!
     
  7. Joe Louvar

    Joe Louvar

    Joined:
    Jun 6, 2011
    Location:
    Santa Rosa, CA USA
    I play along with an MP3 player plugged into my G-K MB combo amp for learning/practicing all the time - and it works great.

    EDIT: Oh and I control the EQ and volume of the playback music with the MP3 player. TIP: Always, start with the MP3 player volume turned off and then turn it up slowly.
     
  8. BassCliff

    BassCliff

    Joined:
    May 17, 2012
    Location:
    So. Cal.
    Hi,

    Is your "CD in" jack a 1/4" phono plug or a pair of RCA plugs? There are several varieties of 'mini phono jack' adapters, 1/4" phono, RCA stereo, mini-to-mini, etc, to go from your mp3 player to your amp.

    1/8" to 1/4" adapter:
    [​IMG]

    1/8" to RCA:
    [​IMG]

    1/4" to 1/8" adapter:
    [​IMG]

    I use one like the above to go into the back of my computer so I can play my bass through it while listening to headphones to learn new music.


    There are various adapter cable configurations too.

    1/8" to RCA:
    [​IMG]

    I use one like above to go into my PA to play break music.

    As long as your amp has a tweeter it should do OK playing music.

    Forgive me if I state the obvious.


    Thank you for your indulgence,

    BassCliff
     
  9. ZenG

    ZenG

    Joined:
    Dec 13, 2013
    Thanks for that.......
     

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