Rolls RA900 دليل المستخدم

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LIMITED WARRANTY
This product is warranted to the original consumer purchaser to be free from
defects in materials and workmanship under normal installation, use and service for a
period of one (1) year from the date of purchase as shown on the purchaser’s receipt.
The obligation of Rolls Corporation under this warranty shall be limited to repair
or replacement (at our option), during the warranty period of any part which proves
defective in material or workmanship under normal installation, use

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SPECIFICATIONS Power Output, Stereo: 570 W RMS/ch. 2Ω 410 W RMS/ch. 4 Ω 260 W RMS/ch. 8 Ω Bridged: 1100 Watts RMS 4 Ω 850 Watts RMS 8 Ω Input Connectors: 1/4" TRS balanced and XLR balanced Output Connectors: 1/4" and 5-way binding posts Sensitivity: 0.9 V rms 0 dB V THD: <.05% (20Hz - 20 kHz) @ rated output, 8 Ω) Frequency response: @ 1 Watt rms 8 Ω ; 10Hz to 40kHz @ rated output, 8 Ω ; 20Hz to 20kHz Hum and Noise: 100 dB, unweighted Power Consumption: 7A and 120 VAC Cooling System: 2 s

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INTRODUCTION Thank you for your purchase of the ROLLS RA900 Professional Power Amplifier. channel, as well as sets it for either a 50Hz or 30Hz rolloff. Always use the 50Hz The RA900 Power Amplifier is a two channel amp with two 410 watt RMS - 4 ohm setting if you are using this amplifier to drive a distributed line system (also known as a 70 Volt line).] outputs via 5-way binding posts. It may be bridged and connected to a 4 or 8 ohm load supplying up to 1100 Watts or 850 Watts respectively.

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DESCRIPTION OPERATION STEREO FRONT PANEL IN IN CAUTION POWER INPUT MINIMUM LOAD IMPEDANCE B BAL A CHANNEL A PROTECT CHANNEL B 2 OHMS PER CHANNEL POWER AMPLIFIER 4 OHM BRIDGE CLIP + BA - AMP MODE LOW 1 23 4 LOW SIGNAL + 1 CUT FILTER 1 4 CUT FILTER FUSE 2 ON=30Hz ON=30Hz STEREO BRIDGE POWER 2 3 - INPUT 15A/120V OFF=50Hz OFF=50Hz RA900 0 10 0 10 3 THRU - BRIDGE MONO + B A Channel B Channel A GROUND POWER: Applies power to the RA900 when connected to a properly g