This percussion circuit was found in an Electronics World of 1968. The transistor may be general purpose and the power supplied at 12 V. The signal must be applied to an amplifier.
Line voltage compensation (CB8816E) This circuit for the alternating current line (AC line) was...
September 2017 - IXYS Class X2 to 700 MOSFETs can now be purchased from Mouser Electronics....
Depending on the value of C1, this oscillator can produce signals of up to 1 MHz. For a capacitor of 10...