Rotel RX-880 User's Manual
Contents
1. WARNING TO PREVENT FIRE OR SHOCK HAZARD DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE Write your SERIAL NUMBER here The number is located near the name plate on the rear panel INTRODUCTION We at Rotel want to thank you for purchasing our audio product Rotel audio products are designed to use the latest electronic technology they incorpo rate our long experience as a specialist manufac turer of audio equipment We are confident that you will find satisfaction in the high quality sound and top performance and that you will find pleasure in the functional beauty achieved through human engineering concept Before starting operation please read this instruction manual thoroughly and acquaint yourself with the proper mode of using the unit and all its connections We hope you will enjoy top notch performance for many years to come BEFORE ENJOYMENT POWER SUPPLY Follow the instructions below for maximum safety 1 Use a wall outlet or Rotel RR 800 for power supply Be sure to connect the AC line cord directly to a household wall outlet or Rotel RR 800 and not to auxiliary outlet on another compo nent Be certain that the outlet voltage matches the electrical rating of the unit found on the rear panel name plate 2 Connecting and removing AC cord Be sure to connect or disconnect the AC line cord only after turning off the power switch to prevent possible shock noise or damage t2. 3 Start play and then raise the volume Tape Deck Playback 1 Set Tape Monitor selector to TAPE 1 or TAPE 2 position according to the tape deck you are going to play back 2 Start playback 3 Raise the volume to the desired level Recording Program Source Play the desired program source according to the procedures noted above The signal from the source will appear at TAPE MONITOR OUT terminals on the unit rear panel Put the tape deck in the recording mode to record the signal During recording manipulating volume control tone controls etc will have no effect on the signal being sent through the MONITOR OUT terminals Dubbing Dubbing means copying the recording on one tape onto another by using two tape decks The unit allows you to dub either from 1 to TAPE 2 or from TAPE 2 to TAPE 1 1 Set Tape Monitor Selector to 1 2 position when you dub form TAPE 1 to TAPE 2 or set to 21 position when dub bing from TAPE 2 to TAPE 1 2 In 12 dubbing put the TAPE 1 deck in playback mode and TAPE 2 deck in recording mode In 21 dubbing put the TAPE 2 deck in playback mode and TAPE 1 deck in recording mode During dubbing you may monitor the sound with the volume and tone controls set as desired these controls have no effect on the recording signal PROTECTION CIRCUIT The RX 880 incorporates all possible safety measures by
3. SPEAKERS Use speaker systems with impedance ratings of 8 16 ohms Before hooking up your speaker system be sure to check its impedance which should be indicated either on the back of the speaker or in the speaker instruction man ual HOOKING UP SPEAKERS On the rear panel of the RX 880 are two sets of speaker terminals A and B to which two speaker systems may be connected Con nect the speaker leads of the right hand speaker to terminals of A B and the speaker leads of the left hand speaker to ter minals L of A or B Make sure that the speaker lead is connected to the ter minal and the lead to the terminal Strip 1 0 3 8 of the polyvinyl chloride insulation from the end of each speaker lead Twist the exposed strands tightly and secure the end with a touch of solder The terminals are the push insert type Insert the end of the lead into the hole while pushing on the button Then release the button the hole will close and the cord is firmly fixed ANTENNA INSTALLATION AND CONNECTION FM Antenna Proper installation of antenna is the key to smooth signal reception To install the attached T shape indoor antenna stretch it taut and secure horizontally along a wall or the like in location where signal reception is optimal Securely connect the antenna to FM antenna terminals marked 3002 on the rear panel If outdoor type FM antenna is
4. 0 296 stereo Frequency Response 30 15 000 Hz 0 dB 2 dB Capture Batlo sox xev Rs 1 0 dB Alternate Channel Selectivity 400 kHz 60 dB Spurious Response Ratio 80 dB Image Response Ratio 75 IF Response Ratio 95 dB AM Suppression 60 dB Muting Threshold 20 pV Stereo Separation 100 Hz 1 kHz 10 kHz 40 dB 45 dB 35 dB Subcarrier Product Ratio 40 dB SCA Rejection Ratio 65 dB Antenna Input 300 ohms balanced 75 ohms unbalanced AM TUNER SECTION Saniitivity s cue noens siais 250 uV m SaloctiVit 40 Signal to Noise Ratio 50 dB Image Response Ratio 40 dB IF Response 30 dB Anifsnna each mee rio Ra Built in ferrite loopstick antenna MISCELLANEOUS Power Requirement 120V 60 Hz 220V 50 Hz 240V 50 Hz or 120 220 240V 50 60 Hz depending on destinations Power Consumption 400 watts Dimensions Overall 430 W x 115 H x 340 D mm 16 15 16 x 4 17 32 x 13 3 8 Weight net 10 5 kg 23 1 Ibs Specifications and design subject to possible modification without notice Measured pursuant to the Federal Trade Commission s Trade Regulation Rule on Power Claims for Amplifiers applicable to the U S A only
5. 3 I I t TO TUNER TERMINAL CONTROL CORD FOR TUNCA OR RECEIVER 1 1 VM Remote Contar 00 not wand thet mn mot I 1 I Lo me ao mo m ao ao a a ee ana one ama ama ee Em TO INPUT Roc TO OUTPUT PLAY acaugsg oro ric SPEAKERS 81 EXCLUSIVE NOTES FOR THE U S A Outdoor Antenna Grounding If an outside antenna is connected to the receiver tuner be sure the an tenna system is grounded so as to provide some protection against vol DOWNLEAD OR tage surges and built up static charges Section 810 of the National GROUND LEAD IN WIRE Electrical Code ANSI NFPA No 70 1978 provides information with CLAMP respect to proper grounding of the mast and supporting structure MAST ANTENNA grounding of the lead in wire to an antenna discharge unit size of GROUND DISCHARGE grounding conductors location of antenna discharge unit connection WIRE a b UNIT c to grounding electrodes and requirements for the grounding electrode See figure Use No 10 AWG copper or No 8 AWG aluminum or No 17 AWG Eg GROUND copper clad steel or bronze wire or larger as ground wires for both mast and lead in b Secure lead in wire from antenna to antenna discharge unit and mast ground wire to house with stand off insulators spaced from 4 feet SUITABLE GROUNDING 1 22 meters to 6 feet 1 83 m
6. frequencies in unit s memory The indicator above each button glows when the button is pressed 19 Tape Monitor Selector Used to receive signal from the tape deck or when dubbing tape to tape copying Set the selector to 1 position when playing back tape deck connected to TAPE MONITOR 1 terminals on the rear panel set to 2 when playing back tape deck con nected to TAPE MONITOR 2 terminals When dubbing signal coming from the tape deck connected with TAPE MONITOR 1 ter minals onto tape in deck connected to TAPE MONITOR 2 terminals set the selector to 1 2 position When dubbing signal from the deck connected with TAPE MONITOR 2 terminals onto tape in deck connected to TAPE MONI TOR 1 terminals set to 2 1 position When listening from sources other than tape set the selector to OFF position 20 Function Selector The function selector is used to select program sources you wish to listen to Note that this selector is effective only when the Tape Moni tor selector is set to OFF position Press PHONO button to get signal from turn table Press AM button to listen to AM broad cast and press FM button for FM broadcast The indicator above each button glows when the button is pressed 21 Volume Balance Control The knob regulates the volume level Turn it to the right to raise the level When turned all the way to the left no sound is produced Before turning on the power always be sure to
7. have the volume set at zero The adjoining ring is used to regulate the bal ance of sound output from the speakers Turn ing the ring to the left shifts the center of total sound to the left and turning to the right shifts the center to the right In mid position sound produced from both speakers is equally bal lanced x amp OPERATION e The RX 880 is an AM FM stereo receiver employing quartz PLL synthesizer tuning for superb operability By presetting the broadcasting frequency optimum tuning will be obtained every time by simply pressing the selector button When the power switch is set to ON power will be provided to the memory circuit from the AC mains In the event of a power failure or when the power switch is set to OFF or when the power cord is unplugged from the wall outlet the memory circuit will be powered by dry bat teries housed in the rear panel of the receiver Consequently the memory circuit will continue to function when the receiver is not being used throughout the life of the batteries One presetting button can be used to memorize one AM and one FM stations A total of 8 AM and 8 FM stations be preset einsert the SUM 3 AA dry batteries two provided into the battery holder in the rear panel of the receiver ensuring that the po larities agree with the markings inside the bat tery holder This will ensure that power will be continuously supplied to
8. the memory circuit When the AC mains power is cut off the batteries will maintain the memory circuit energized instead The life of the batteries is about one year When is time to replace the batteries replace them both with new ones Note Replace the batteries with the power cord plugged in and the power switch set to ON If the AC mains power is cut off during this operation the contents of the memory circuit will disappear e Before commencing operation check to see that all connections are properly made e Always be sure to set the volume control to the minimum position before turning on power eSelect speaker button A or B or both for the speaker system s you are going to use e When using headphones set both speaker buttons to released OFF position Set the tone controls and loudness button as desired Radio Listening 1 Set Tape Monitor selector to OFF 2 Press FM or AM button on the Function selector 3 Tune in to the desired station using tuning or station buttons 4 Raise the volume to the desired level TUNING The unit is designed to permit three modes of tuning auto tuning manual tuning and preset memory tuning Auto Tuning for FM Reception Only Set FM Auto Manual button to the released position Press Tuning button UP or DOWN Automatic scanning of FM band begins Scan ning stops when it reaches a point where the input signal exceeds certain acceptable level The receiving frequ
9. When your unit picks up noise during the reception of broadcasts causes are mostly due to external objects such as fluorescent lamps and house appliances using motor or thermo stat or others that may induce the noise Either relocating the unit away from the noise sources or using an improved outdoor antenna may readily solve the problem In the event you cannot find the cause consult your dealer or a qualified electrician VOLTAGE SELECTION Not available for U K Canada and Scandinavia The unit is a variable voltage equipment that can run on 120V 220V or 240V power supply Your unit should already be preset at the proper voltage for use in your area However if you move to an area where the power supply voltage is different consult your dealer SPECIFICATIONS AMPLIFIER SECTION Continuous Power Output watts per channel min RMS both channels driven into 8 ohms from 20 to 20 000 Hz with no more than 0 009 total harmonic distortion DIN O tp ts odo Ex eek 120 watts per channel 1 kHz 4 ohms 196 THD Music POWBE iuuenis ates 600 watts total Total Harmonic Distortion No than 0 009 continuous rated power output No more than 0 009 continuous 1 2 rated power output No more than 0 01 1 watt per channel power output 8 ohms more than 0 009 continuous rated power output No more than 0 009 continuous 1 2 rated power output No more than 0 196 1 watt per cha
10. combining multiple protection circuits to prevent accident or damage If for some reason the protection circuit is activated there will be a sudden cut off of sound from the speakers If no sound is produced the reason may be due to the functioning of the protection circuit First turn off the power and disconnect the plug from the electrical outlet and check to be sure that the speaker cables are not short circuited Also check to make sure the im pedance of each speaker is 8 ohms or over if it is below 8 ohms the unit will be overloaded due to low impedance After checking the above points turn the power on the protection circuit will be automatically deactivated and the unit will start functioning again The protection circuit will normally operate to prevent a popping noise from being generated upon turning on the power No sound is pro duced for several seconds after turn on HUM AND NOISE In any high fidelity installation hum may be caused by the interconnection of a turntable tuner and amplifier and speakers as the result of wiring different grounding or locations of components If hum is experienced with your unit discon nect everything but the speakers from the unit Plug in the turntable and if hum or howling appears move the turntable away from the speakers as much as possible Note hum may also be induced by defective cable connections or by running the cables too close to a strong AC field
11. ect the antenna lead wire to the antenna terminal marked AM CONNECTING COMPONENTS Connect all necessary audio components to the rear panel of the unit using RCA pin cords See the illustration for properly completed con nections When connecting RCA pin cords be sure that L left and R right markings on each component matched correctly Con nect the grounding wire of the turntable to the terminal marked GND on the receiver Note The terminals on the rear panel marked TUNER OUT produce signal from the tuner section These terminals are used when operat ing the unit in conjunction with the ROTEL Remote Control Center RR 800 The rear panel of the unit is provided with socket for connecting the Rotel Remote Contro Center RR 800 which allows wireless remote control of the unit As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug proceed as follows The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLUE or BLACK The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or colour ed BROWN or RED REAR PANEL CONNECTIONS TO OUTDOOR FM ANTENNA 70 m TO T 44APE FM INDOOR ANTENNA OGONI 9139580 ee 7 m UK ec 1 TO AM OUTOOOR ANTENNA P d j oe A
12. ency is held on the readout To tune in to another station press DOWN or UP button according to the frequency of the desired station Manual Tuning Set FM Auto Manual button to the depressed position A tap of the tuning button DOWN or UP will shift the tuning frequency in specified increments If you keep the button pressed down the frequency will change continuously Release the button to stop frequency change Preset Memory Tuning Tune in to the desired station in either auto or manual tuning mode Press the Memory Pro gram button The indicator above the button will light up Then press any station button 1 through 8 to enter the frequency into the memory circuit Thereafter you may recall the same frequency any time simply by pressing the same button Note that the indicator remains on for several seconds only you should press the appropriate station button to enter the station frequency during that time If the indicator turns off before you press the station button entry cannot be made In that case start again following the above procedures The above procedures should also be followed to change the station preset for a given station button Note If you have turned off the unit and turn it on again the unit will tune in to the station frequency to which it was tuned im mediately before turn off Turntable Listening 1 Set Tape Monitor selector to OFF 2 Press PHONO button on the Function selector
13. eters apart ELECTRODE ORIVEN c Mount antenna discharge unit as closely as possible to where lead 8 INTO THE EARTH in enters house AAA MBTERD POWER SUPPLY TO MEMORY CIRCUIT When the power switch on the front panel is set to ON power is supplied to the memory circuit from the AC mains through the wall outlet When the power switch is set to OFF or when the power cord is unplugged the back up bat teries dry batteries housed in the rear panel will provide power instead of the AC mains thus maintaining the memory of the receiving frequencies Before using the unit correctly fit the two SUM 3 AA dry batteries provided into the battery holder in the rear panel Observe the polarity markings on the inside of the battery holder The life of the batteries is about one year When replacing the batteries first make sure that the power cord is plugged into the wall outlet and the power switch on the front panel is set to ON If power from both the power cord AC mains and the dry batteries is cut off simultaneously the receiving frequencies stored in the memory will be lost UM 3 15Vx2 MEMORY BACKUP BATTERY SWITCHES AND CONTROLS 1 Power Button Press the power button to turn on the unit When the power is on the dial scale will be illuminated Press the button a second time to turn off the power 2 Peak Power Level Indicators Displays the output levels for left and right channels respec
14. installed the T shape antenna is not necessary For proper use of your outdoor FM antenno follow the instructions below 1 Be sure to select the most appropriate type of antenna for the signal reception condi tions in your area 2 A 75 ohm coaxial cable is recommended in connecting the antenna to the unit 3 Set the antenna in position as high as possible if buildings mountains or other obstructions nearby affect reception 4 The 75 hm coaxial antenna cable should be properly hooked up to the designated antenna terminals on the rear panel Locate the terminals labeled 75N Connect the center conductor of the cable to the left hand ter minal and connect the outer braided conductor of the cable to the right hand terminal marked GND EXCLUSIVE NOTE FOR U K your unit comes with a 2 core cable without a plug make certain live and neutral leads are connected to the proper terminals Check that the terminals are screwed down firmly and no loose strands of wire are present IMPORTANT The wires in this mains lead are coloured in accordance with the follow ing code BLUE BROWN NEUTRAL LIVE Note The terminals are the push insert type Insert the end of the lead into the hole while pushing on the button Then release the button the hole will close and the cord is firmly fixed AM Antenna Erect the AM ferrite bar antenna provided on the rear panel If you install outdoor AM antenna conn
15. iving condition 8 Stereo Indicator Glows when stereo broadcasting signal is tuned in Note that when stereo signal is very weak the unit will not give stereo reproduction and the indicator will not light up 9 Mode Button When this button is depressed any input signal will be heard monaurally In the released position the stereo source is reproduced stereo phonically 10 Subsonic Filter Button The subsonic filter cuts the noise in low fre quency range without affecting the sound quality When this button is in the depressed position frequencies below 16Hz are cut off at the 6dB octave reducing disturbing sub sonic effects such as low frequency noise caused by record warpage or shock produced when the stylus is lowered onto a record 11 Loudness Button The human ear has a tendency to become less sensitive to very low or high frequencies when listening at reduced volume levels This button activates a compensation function that boosts those frequencies so that a more natural sound is heard 12 Tuning Button DOWN Used when tuning in a station whose frequency is lower than the reading on the frequency display 13 Tuning Button UP Used when tuning in a station whose frequency is higher than the reading on the frequency display 14 Speaker Buttons A B By these buttons you may select speaker system you wish to use Press button A to activate the speaker system connected to speaker termi
16. nals A on the rear panel and button B for the system connected to speaker terminals B Depressing both A and B buttons will activate both speaker systems When only one speaker system is hooked up press the cor responding button only and release the other button to OFF Otherwise no sound will be produced 15 Headphone Jack Plug your headphones into this jack for private listening When using headphones both A and B speaker buttons should be in released OFF position so that sound is emitted only from the headphones Volume level of headphone sound can be controlled with the volume control 16 Bass Mid Treble Tone Controls These knobs allow you to regulate frequency response in 3 separate ranges Use them to tailor your favorite sound The knob labeled BASS is used for low frequency range the knob labeled MID is for middle frequency range and the knob labeled TREBLE is for high frequency range Move each knob upward to boost the response and downward to cut it In the mid position the response is flat 17 Memory Program Button To enter a given station frequency into the unit s memory circuit press this button first and then press the desired station button The indicator above the Memory Program button glows when the button is pressed indicating that the unit is ready for you to preset your station 18 Station Buttons These buttons are used to tune in to desired preset stations or to preset given station
17. nnel power output 8 ohms 20 to 20 000 Hz Intermodulation Distortion 60 Hz 7 2 4 1 Output Speaker 8 16 ohms Headphone 4 16 ohms Damping Factor 47 1 kHz 8 ohms Input Sensitivity Impedance PHONO cru Lees 2 5 mV 50 kohms MONITOR 1 2 150 mV 27 kohms Overload Level T H D 0 596 1 kHz PHONO oS see vati 150 mV ORD SRS 5V Frequency Response PHONO oo ur mete Scd 20 to 15 000 Hz 0 3 dB RIAA STD ene Qu 5 to 70 000 Hz 0 dB 1 0 dB Tone Control LX iL ey 10 dB 100 Hz MID oie xao Roa esi 10 dB 1 kHz TREBLE cua een is race 10 dB 10 kHz Loudness Contour 7 dB 100 Hz 4 dB 10 kHz volume control set at 40 dB position Signal to Noise Ratio IHF A network PHONO nce dern 80 dB TAPE MONITOR 1 2 95 dB Subsonic Filter 3 dB 20 Hz FM TUNER SECTION Usable Sensitivity 10 2 dBf 1 8 uV DIN Sensitivity 26 dB S N 75 ohms 1 3 uV 50 dB Quieting Sensitivity MOnO ann a naw ge ote oath 14 6 dBf 3 u V SIUE UD rre sos cuo one 37 2 dBf 40 uV Signal to Noise Ratio at 65 dBf DIA Bus 85 dB D Mase based 80 Harmonic Distortion at 65 dBf 100 Hz vu tas cone scan 0 08 0 1 stereo nus ih Heed 0 0896 mono 0 196 stereo pa Xs 0 196 mono
18. o the speakers 3 Ventilate the unit well Never block any ventilation holes at the top and bottom of the unit Be sure also to provide ample ventilation space around the unit Poor ventilation may result in damage due to exces sive heat 4 Do not open the cabinet In order to avoid electric shock or damage to the component never open the cabinet If a foreign object falls inside the unit by mistake turn the power off disconnect the wall plug and consult qualified electrician or your dealer 5 Installation Be sure to place the unit in a level and flat place where it is free from humidity vibration high temperature and not exposed to direct sunlight Be careful not to place the unit in a highly enclosed place such as near wall or on bookshelf A poor ventilation will cause unde sirable effects to the unit 6 Moving the unit When transporting remove the AC cord from the wall outlet and all other connected cords on the rear panel to prevent wire breakage and short circuits 7 If the unit gets wet If the unit should get wet immediately discon nect the AC cord and consult your dealer qualified electrician 8 Cleaning and maintenance Do not use chemicals such as benzine or thin ners on the front panel Always use a soft dry cloth to clean the unit 9 Owner s manual Keep the owner s manual near the unit and record the serial number found on the rear panel on the cover
19. tively Each bank of 10 LEDs allows direct reading of power output in a range from 0 02 watt to 120 watts referenced to 8 ohm load 3 Hi Blend Button When the incoming stereo FM signal is weak high frequency noise may disturb the reception In such a case depress this button the left and right channel signal will be blended in the high frequency range and the noise which is in opposite phase in each channel will be sup pressed without significant sacrifice of stereo separation There is no need to use this button when the stereo FM signal is strong enough The Hi blend button is effective in stereo FM broadcasts only 4 FM Auto Manual Button When this button is in the released position you can tune in FM stations in automatic tuning mode In the depressed position tuning is made in manual mode for either FM or AM reception 5 FM Mode Muting Button When this button is pressed to ON any FM broadcast is received monaurally Be sure to leave the button in the released OFF position during normal stereo FM reception In the OFF position interstation noise generated when tuning in an FM station will be reduced 3 6 Frequency Display Indicates frequency currently tuned in along with notations FM and MHz in FM re ception or AM and kHz in AM reception 7 Signal Strength Indicator The five LEDs show incoming signal strength the greater the number of glowing LEDs the better the rece
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