The Gold Seal Series is a high quality line of audio amplifiers designed with the sound contractor in mind. They provide unparalleled flexibility, versatility, and reliability, at an affordable price. Available in 35, 60, 100, 150 and 250 watt models, Gold Seal amplifiers incorporate the same set of features in all models . Each Gold Seal amplifier has 6 microphone inputs, 2 auxiliary inputs and 1 telephone paging input. Three-pin Mic connectors are provided for Mics 1- 4; RCA jacks are provided for Aux; screw terminals for Mic 5 & 6 and the Telephone input. Every conceivable output tap is included: 8 W, 25V, 25VCT, and 70V, as well as direct 4 W, 600 W out (with accessory transformer), tape out, pre amp out, power amp in, and booster out. The Gold Seal Series also features the Aphex Aural Exciter circuit to add presence and intelligibility, and a Bogen-exclusive dual-function equalizer for acoustic shaping or feedback elimination. Each amplifier also has a true contour control to bring out highs and lows at low volume, phantom power for microphones, precedence circuitry, automatic muting on telephone page, variable muting, vox sensitivity, automatic level control, remote volume control, and lo-cut filter. The Gold Seal amplifiers operate from a 120 volt AC source. The output stage is protected by a thermal breaker. Electronic overload protection and a push to reset circuit breaker are also included.