Need a help with Echo & Reverb circuit!

Discussion in 'The Projects Forum' started by hoangnguyen, Apr 3, 2008.

  1. hoangnguyen

    Thread Starter New Member

    Apr 3, 2008
    :pI want to make a circuit to make the echo and reverb effect for my ampli
    but i don't have any knowledge about this circuit
    please help me a hand
    thanks very much
  2. SgtWookie


    Jul 17, 2007
    There are a whole slew of build-it-yourself effects on this page:

    If you want to make a super-simple reverb, you could simply use a long tension-type coil spring (has hooks on each end, maybe 3/4" x 6" in size) in a metal box tensioned between a couple of jacks. Connect the jack's grounds to the metal box.
    The tighter the tension of the spring, the higher the frequency of the reverb for a given spring.
    The longer the spring, the deeper the reverb effect. If the spring is too long, the sound will get "muddy."

    Select a spring that uses a fairly small-gauge wire (say, AWG 16 or less). Try several different sizes to see what I'm talking about.
  3. hoangnguyen

    Thread Starter New Member

    Apr 3, 2008
    Thank for your help
    I will try to do it