### Clue: Steel transducer backfired in musical instrument (8)
### Answer: SCIMITAR 
 ### Explanation: Definition: Steel
 **Reversal of**(… backfired) MIC(short for "microphone", an example of a transducer, a device that converts one form of energy to another, in this case, sound waves to electric currents) **contained in**(in) SITAR(the Indian string instrument).
Defn: Something made of steel, in this case, a type of sword.