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Home >> Triumph >> 1979 >> Spitfire >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> LUCAS "Opus" Electronic Ignition >> Distributor >> Amplifier Unit
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Amplifier Unit

The amplifier unit interprets timing signals from the distributor. A power transistor in the amplifier's printed circuit acts as a switch for the primary circuit of the ignition coil. The amplifier is connected to the coil by cables which pass through a ballast resistor.