User manual ROLLS RA2100B QUICK START 9-10
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Manual abstract: user guide ROLLS RA2100BQUICK START 9-10
Detailed instructions for use are in the User's Guide.
[. . . ] SPECIFICATIONS Power Output, Stereo: Input Connectors: Output Connectors: Sensitivity: THD: S/N Ratio: Power Bandwidth: Damping Factor: Slew Rate: Phase Shift: Input Impedance: Power : Size: Weight:
100 Watts RMS/ch. 8 Bridged - 200 Watts RMS or 70 Volt 8 1/4" TRS balanced and RCA 5-way binding posts <1 VRMS for full output <. 08% (1kHz @ 1 Watt) 106 dBU 50 Hz - 25 kHz, +/- 1 dB > 150 100 Volts/microSecond <10 Deg. , 20Hz - 20kHz 10 K Balanced 120 VAC 60Hz 2. 5A 230 VAC 50Hz 19" x 3. 5" x 7. 5" (48 x 9 x 19 cm) 12 lbs (5. 5 kg)
RA2100b Power Amplifer
100 WATT STEREO - 200 WATT BRIDGED
CHANNEL 1
CHANNEL 2
200 Watt / 70 Volt
Mosfet Power Amplifier
RA2100b
Quick Start Guide
ROLLS CORPORATION SALT LAKE CITY, UTAH 09/10
INTRODUCTION Thank you for your purchase of the ROLLS RA2100b Power Amplifier. [. . . ] If obvious physical damage is noticed, contact the carrier immediately to make a damage claim. We suggest saving the shipping carton and packing materials for safely transporting the unit in the future. INSTALLATION Connect the power cord to an AC power source, connect the input to the signal source and to the RA2100b via the RCA or 1/4" input jacks. Turn the Volume controls fully counterclockwise (off), and turn on the power switch, the power LED should light. With the program material running, slowly increase the Volume controls until the desired level of sound is present. There is a one second turn-on delay provided to prevent possible speaker damage in case all equipment is on a signal power strip. whenever the output stage is called upon for too much power, it may also be fooled by impedances lower than four ohms - which may cause the output stage to overheat and burn up the MOSFETs. Since the RA2100b is convection cooled, the unit radiates heat from the rear panel and , depending on the load demand, it may become very hot if drawn upon heavily. DRIVING 25 OR 70 VOLT LINES The RA2100b will drive 25 or 70 Volt lines directly with no added transformers when used the following way: · Each channel will drive 25 volt lines directly. · A single 70 volt line may be driven when the RA2100b is in Bridged mode. [. . . ] FAULT PROTECTION The fault protection in the RA2100b limits the current to the output stage in the faulted channel and turns on the CLIP LED for that channel. This mode is entered
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Title Size:
5143 South Main Street Salt Lake City, UT 84107 RA200 POWER AMP BOARD Document Number: Rev: RA200. SCH Rb Sheet 1 of 1
ROLLS CORPORATION
3
Date: 28-Jun-1999 [. . . ]
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