speaker question, this one ok for cbg amp, ??

Posted by GARAGE HERMIT on December 31, 2010 at 5:43pm

found this 8" speaker, it was in a boom-box/subwoofer, just wondering if it will work ok if i use it in an amp i'm going to build, and it's a 2-channel, with 4-connection's to it, do i just jump the lead's from 1 set to the other, 

 

[IMG]http://i81.photobucket.com/albums/j236/w124-2door/CIGAR%20BOX%20GUITARS/DSCF0152.jpg[/IMG]

 

[IMG]http://i81.photobucket.com/albums/j236/w124-2door/CIGAR%20BOX%20GUITARS/DSCF0153.jpg[/IMG]

 

 

DSCF0154.JPG

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Replies

  • DrByte January 1, 2011 at 8:46pm

    This link shows both series wired and parallel wired speakers:

    http://www.caraudiobook.com/ohms_law/ohms_law.htm

    Here is a link to one type of tweeter (cone):

    http://www.parts-express.com/pe/showdetl.cfm?Partnumber=299-920

    which would be a real good mate to your 8" 'woofer' wired is 'series' mode for a small low power (1-5 watts or so) guitar amp. It should really hace a small capaitor wired across the tweeter to prevent lows from blowing it but used with low wattage it would work without it.  That site (Parts-Express) has lots of speaker building info and parts.  I buy from them quite a bit and they are great to deal with.

     

    DrByte said:

    A small tweeter such as a 2 or 3" would work.  The Radio Shack store has several types and prices.  I would wire in series if using a conventional tweeter such as 8 ohm. If using a peizo type you could wire it in parallel with the 8" speaker.  I'll try to find a good diagram and send a like shortly.

    GARAGE HERMIT said:


    DrByte said:
    This is a low frequency driver only, the highs will be woefully inadequate for guitar which is mostly mids and highs.  It looks like a pretty good speaker for a small amp if it were coupled with a hig frequency driver such as a small piezo horn or other small tweeter.
    #########################################################################
    by driver, do you mean a small speaker, what size would i use, 4" ?,and how would i wire them both,?
  • DrByte January 1, 2011 at 7:33pm
    A small tweeter such as a 2 or 3" would work.  The Radio Shack store has several types and prices.  I would wire in series if using a conventional tweeter such as 8 ohm. If using a peizo type you could wire it in parallel with the 8" speaker.  I'll try to find a good diagram and send a like shortly.

    GARAGE HERMIT said:


    DrByte said:
    This is a low frequency driver only, the highs will be woefully inadequate for guitar which is mostly mids and highs.  It looks like a pretty good speaker for a small amp if it were coupled with a hig frequency driver such as a small piezo horn or other small tweeter.
    #########################################################################
    by driver, do you mean a small speaker, what size would i use, 4" ?,and how would i wire them both,?
  • GARAGE HERMIT January 1, 2011 at 7:00pm


    DrByte said:
    This is a low frequency driver only, the highs will be woefully inadequate for guitar which is mostly mids and highs.  It looks like a pretty good speaker for a small amp if it were coupled with a hig frequency driver such as a small piezo horn or other small tweeter.
    #########################################################################
    by driver, do you mean a small speaker, what size would i use, 4" ?,and how would i wire them both,?
  • DrByte January 1, 2011 at 6:56pm
    This is a low frequency driver only, the highs will be woefully inadequate for guitar which is mostly mids and highs.  It looks like a pretty good speaker for a small amp if it were coupled with a hig frequency driver such as a small piezo horn or other small tweeter.
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