Rogers High Fidelity KWM-88 Corona Integrated Amplifier

Your car is full of computers that make it easier to operate and maintain; why shouldn’t your hi-fi follow suit? Increasingly, that’s what’s happening. One of the more recent computerized hi-fi circuits sets the bias current of the output tubes on tube amplifiers. Those circuits make it feasible to switch easily between different types of tubes. So if an amplifier is shipped with EL34s, you can change them to KT88s and the automatic-bias circuit will adjust the bias to suit the KT88s with no adjustment from the user. Just insert the new tubes and the bias circuitry changes the necessary …