The Arcam Delta 100 is a stereo amplifier produced by the British audio company Arcam. It was manufactured in the 1980s and is part of Arcam's Delta series of amplifiers. The Delta 100 is known for its high-quality sound reproduction and robust build quality. It delivers 100 watts per channel into 8 ohms and 150 watts per channel into 4 ohms. The amplifier features multiple inputs, including phono, tape, and auxiliary, as well as tone control and balance adjustments. It is considered a vintage audio component and is sought after by enthusiasts.