Sirs,

Does anyone have cirucuits regarding analogue microphone echo/reverbing/delay upto 130 us.

A simple circuit either by using R/C networks (stepwise) or by transistors or ICs (not digital echo) is appreciated.

I wish to make a pcb for test purpose which can be an add on to my existing Tape deck.

regards,
shamim_india.
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There were circuits called "bucket brigade" that used an analog delay IC, see:

http://www.diyaudio.com/forums/showthread/t-56880.html
(supposedly some IC's are still available.)

http://en.wikipedia.org/wiki/Delay_(audio_effect)

I gleaned these two from a Google search on bucket brigade, you may want to try it yourself and investigate further.

 

if you have a source for a 7183 echo/reverb ic i could provide the schem for that. or CX7932, 512 stage bucket brigade or the 41256 DRAM.

the MN3007 shown by "nomurphy" is a 1024 stage bucket.

moz