Astable multivibrator 555 problem in circuit

ericgibbs

Joined Jan 29, 2010
15,378
48khz is the frequency. Should that be altered?
Hi,
You will not hear 48kHz, design for for around 3kHz, this a frequency we can hear OK.
Try R4 and R5 at 10K, that should be around 5kHz, lets know how it goes.

E
EDIT:
If you want close to 3kHz, use 15k's
 
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