User manual AVALON DESIGN AD2055 DATASHEET

[. . . ] AVA L O N P URE C LASS A DESIGN M USIC R ECORDING S YSTEMS SONIC EXCELLENCE The Avalon AD2055 Pure Class A music equalizer is the most powerful, low noise parametric equalizer available today. [. . . ] PASSIVE-ACTIVE FILTER DESIGN Avalon equalizers feature the unique combination of both active and passive filter EQ designs. This special combination enables the AD2055 to deliver high speed transient detail at the operational extremes of real-world equalization demands. The passive high and low bands offer alternate musical tone range to the full function active parametric mid bands. Passive equalizers have long been a favorite with music lovers around the world. . full bodied, powerful (up to +/-32dB, 64dB range !) and sweet frequency selections are the benefits of the passive highlow EQ bands. The full bandwidth twin mid bands provide variable frequency selection (X10 frequency multipliers for very wide range), variable Q (width) and amplitude control. MINIMUM SIGNAL PATH DESIGN Avalon's advanced true symmetry design offers highvoltage, large headroom, extended bandwidth and very low noise. [. . . ] The Avalon AD2055 breathes life! AD2055 CLASS A EQUALIZER AD2055 FEATURES Smooth musical detail and sonic excellence Minimum audio signal path Pure Class A, 100% discrete design Dual mono operation Transparent active and passive filter design Very low noise -94dB High headroom +30dB Fully balanced inputs and outputs DC coupled, no transformers in audio path Switched frequencies in high and low bands Mid bands use X10 frequency for extended range Wide bandwidth -3dB 1Hz to 450kHz Low distortion less than 0. 5% THD and IMD Conductive plastic potentiometers for low noise All signal routing with sealed silver relays 100% discrete power supplies for audio path External 150W toroidal power supply Long lasting, stainless steel hardware AVALON DESIGN Pure Class A music recording systems since 1985. 2002 b AVALON INDUSTRIES INC PO B 5976 S Cl t C lif i USA [. . . ]