Description
The FK 181 Sound Level Meter kit is similar to a VU in concept.
Normally supplied with 10 red LEDs, users may subsitute LEDs of different colours to suit their own applications. The FK181 normally takes its sound signal from a supplied electret microphone but the same circuit may be used with DC sources by by-passing the input capacitor.
Power Supply: 9V DC
Price inc. GST
