Rolls RA170 Rack Mount 70V 70 Watt 1U Power Amplifier
The RA170 Power Amplifier was designed especially for the installation contractor. The RA170 is a single rack-space mono unit with a choice of an RCA or 1/4 unbalanced input. The 70 volt speaker outputs are provided via spring-loaded terminals - no transformer is required for speaker connection. The front panel includes a Power indicator LED a Volume control and two Clip LEDs which indicate circuitry overload. The output circuitry is protected from momentary shorting and excessive load by a specially designed protective circuit. 70 Watts of clean amplification into 70 V system. Spring-loaded output terminals. Front-panel heat sinking. Specifications:. Recommended Load: 70 Volt line (70 Watts maximum). Frequency Response: 70Hz to 20 kHz. Equiv. Input Noise: 100 microVolt typical A weighted 600 Ohm input. S/N Ratio: 114 dB @ 70 Watts. Gain: 40 dB. Input Impedance: 47 k Ohms. Dimension: 19W x 1.75H x 5D.