The Arcam DELTA 90 integrated Amplifier has been designed to meet the requirements of the most demanding listener. Combining excellent sound quality with sleek, sophisticated styling the Delta will provide the heart of any high quality sound system. The Amplifier has five switchable inputs accepting signals from a compact disc player Turntable (with facilities for both moving coil and moving magnet cartridges) Tuner and two Tape recorder There are independent controls for balance, tone and volume. The DELTA 90 is also provided with a mono button, and high quality tone controls which have sensible amounts of boost or cut available at the frequency extremes. For the ultimate in audiophile sound quality these controls may be bypassed with the 'direct' Switch on the front panel; nevertheless, used sensibly, they can help correct for many imperfections that may be present elsewhere in the Audio system