Need an AMP/mp3 player kit for paint splash photography

Discussion in 'DIY Discussion' started by gene-stevo, Apr 18, 2020.

  1. gene-stevo

    gene-stevo

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    Hi Guys,

    I am an amateur photographer currently working on paint splash shots using high speed flash controlled by a homemade Arduino piezo vibration trigger. (Sample image below using current set-up)

    Although I know my way around my camera, I understand almost nothing about audio. My shots so far have ben created by stretching a balloon over a 4” speaker, 5W 4 Ohm, and sound provided by an old Alba CD player. The speaker was removed from one of the Alba cabinets (plastic box).
    The sound source is an mp3 file of a 50Hz square wave sound created using http://onlinetonegenerator.com/

    My problem is that I think I need a bigger speaker with more oomph/volume! I am thinking about 6” 20W perhaps? OK, they’re available cheaply but what do I use for a power source? I see some cheap amps as kits but what do I use to play the mp3.

    As onlinetonegenerator is an online ap I tried plugging my phone into the Albas AUX port so I could work on/adjust tones on the fly. Results where pathetic.

    My ideal would be some sort of kit form mono-amp with somewhere to plug a memory stick into. Any ideas, does such a thing exist (without buying a complete audio set-u[)? Sound quality unimportant only for “playing” tones of various frequency.

    Can any body point me in the right direction?

    Cheers,

    Eugene
     
    Last edited by a moderator: May 12, 2020
    gene-stevo, Apr 18, 2020
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  2. gene-stevo

    gene-stevo

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    Speakers Volumes.jpg Oops, image link not working here it is...
     
    gene-stevo, Apr 18, 2020
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    jppataki likes this.
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