Rotel RA-810 User's Manual
Contents
1. A7 Lie us a aa ee ak ar d mi Ar ee g Hi Sa Eli ROTEL aiam ewes see Aa ri Ti E HERE is the RA 810 propably one of the most versatile most professional stereo pre main amplitiers ever develop ed Possessing an abundant 180 watts music power the specially designed split power supply drives almost any quality speakers stably and smoothly The direct coupling circuitry incorporated ensures an excellent frequency re sponse and negligible IM distortion The transistors used are ANNONA Gl mimi STEREO PRE MAIN AMPLIFIER ud ERI ihe Lin E i 1 CS W ie all long life low noise silicon types that give the RA 810 its superb S N and extended dynamic range Note that a wide 5 to 50 000Hz power bandwidth and total harmonic distortion of 0 3 or less are also achieved by this highly advanced equipment Naturally the controls and the con nection facilities are just as awesome Most of all see the RA 810 in actual and find out its personality yourself RA 810 SPECIAL FEATURES All long life low noise Silicon Transistors Direct Coupling Circuitry Split Power Supply A high power output of 180 watts music power at 4 ohms and RMS continuous power of 40 watts both channels driven at 8 ohms with 0 5 THD Specially designed protection circuits to prevent damages to your speakers and to the amplifier Separable Pre Amp and Main Amp sections for many ver2. Cv ooo cee ease cce esse ptceeacceceascesees Loudness Switch Sens Ves aRLKr pura KanYdanat ee 1V rated 3W maximum less than 0 1 at rated output voltage 3 to 80 000Hz Odb Sdb 6Sdb TSdb 5 p 1 5mW 0g g occe 2mV 100K ohms F 2 4 8mV 30k 50k 100k ohins 200mV 45 ohms Sa0mV 100k ohms EEF type RIAA 0 5db 50 to Coro 15 000H 125m 10db at 50Hz 6db at 10 000H z Note Features and specifications subject to change without notice ROLAND ELECTRONICS CO LTD 1 36 8 Ohokayama Meguro ku Tokyo Japan
3. ccccccsccsesseeeeess Power Bandwidth IHF Cutvww O 060 OOOHzZ at 8 ohms Input Sensitivity lrmpedance 0 cccccsceccees 1V 30k ohms Damping FeCtOr cccccecnnsvveseeseressscrrsesssrs 35 at 8 ohms Speaker Impedance ccec ssceceeseeeeeeees 9441 ohms Pre Amplifier Section High Filter 1O0db at 1ORHz DAE F TREE cece ccaceucedscecueseueecoaenreesraeve awe 10db at 50Hz Muting Switch cosses e EAE ae 20db at 1 000Hz Bass COMMON cccccesccccsetssssesssceesersccnee 10db at 50Hz Treble Control cccccccssccccscseeseeeeeres 10db at 10 000Hz Crosstalk noient et E Oa ae a 43db at 1 000Hz Squdre Wave R isetimge vo ccccscscrcasseceeseeeceeenss 6 microseconds Miscellaneous Power Reguirementg ccccccececesees anan 100 117 220 2407 50 60Hz Power Consumption Poca sage 150 watts maximum DiMmensiONs ssa svusmalehhek wat eens Serer t amp 20mm W x 304mm D e140rmmi H 166 x 12 54 WARSAW EEEN EE E E TTT 10kg 221bs Output Voltage cccee A tmp Harmonic Distortion PAVER Een AAA ress Frequency Rl SOOMmse 2 cc0ccccccscseceeusare Hum and Noise PHONG 1 PHONO 2 oo ccscccenscceecnree res TUNER AUX1 AUX2 TAPE IN Residual MOIE EnaA EETA AE RAEN EY Oe Input Sensitwity impedance marale la vada ten etal a a E n E TUNER AUX 1 AUX TAPE IWN TAPE DIM osocsirrees E A A Phono Equalizer cccscrreee Ee Rare Pree
4. satile uses 3 stage Direct Coupled Pre amplitier Usage of 2 pairs of speaker systems one pair at a time or simultaneously at the same time Facility for two tape recorders with monitoring and dubbing features Facility for two record players with switcheable input sensitivities and impedances for one of them to match characteristics of your cartridge 4 re Facilities for a stereo tuner two auxiliary inputs for such as another tape recorder and 8 track tape player Facility for two Tape Din Jacks Facility for 3 AC Outlets Long stroke Slide Tone Controls convenient for precise and effective tone adjustments Volume Control Selector Control Mode Con trol Monitor Control Speaker Selection Control and Balance Slide Control Push Push type switches for Muting Loud ness High and Low Filters Tone and Power A Power Indicator Lamp for easy visual indi cation A front panel listening Headphone Jack for private SPECIFICATIONS Power Amplifier Section 180 watts at 4 ohms 125 watts at amp ohms Continuous Power RMS ake Cee ee 60 watts channel at 4 ohms both channels driven THD less than 0 5 40 watts channel at 8 ohms Marmion DiStOTUHIM o cccecs cc ceueescceeaaes less than 0 3 20 to 20 000Hz at 40w ch 0 1 at dOw ch 4 to 75 000Hz 0db 3db Total Music Power HF saasaa Intermodulation Distortion Frequency Ri spOrns c
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