This circuit was found in Texas Instruments documentation from 1968. The transistors are from that time, admitting modern equivalents. The response ranges is from 20 to 20 000 Hz.
One of the problems with common multimeters, especially analog ones, is that their low resistance scales...
This circuit is an alternative version of the previous one also found in the July 1995 Electronics Now...
This fish flame circuit was found in a 1971 magazine. The circuit can still be mounted with BC558...