ROTEL RX-304 (01) PDF MANUAL


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PDF Content Summary: OWNER'S MANUAL HOTEL Quality. Uncompromised. HELLO FREE 1) 733 LW/MW/FM STEREO RECEIVER LEMMEN RX-304 WARNING: TO PREVENT FIRE OR SHOCK HAZARD. DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. Write your BEAIAL NUMBER horo. The number is located near the name plate on the unit's rear panel. BERIAL NUMBER compromi Quality. Und INTRODUCTION We would like to take this oppor tunity to thank you for purchasing the Rotel RX series receiver. This component offers both high perfor mance and a wide range of func tions, and we at Rotel are confident that you will be greatly pleased with its superb sound qualities. We urge you to read and follow carefully the instructions in this manual in order that you may fully realize and enjoy the potenti. als of this fine component. 8. If the unit gets wet If the unit should get wet, immedi ately disconnect the AC cord, and consult your dealer or a qualified electrician 9. Cleaning and maintenance Do not use chemicals such as benzine or thinners on the front panel. Always use a soft, dry cloth to clean the unit. 10. Retain the owner's manual Retain te owner's manual near the unit, and write down the serial number (found on the rear panel) on the cover. DOT INSTALLATION Be sure to place the unit in a level and flat place where it is free from humidity, vibration, high temper ature and not exposed to direct sunlight. Be careful not to place the unit in a highly enclosed place such as near a wall or on a bookshelf. A poor ventilation will cause undesirable effects to the unit. SPEAKERS Be sure to use only speakers rated at 4 16 ohms. The unit will accept 2 pairs of speaker systems, but if the 2 systems are to be driven simultaneously, each speaker should be rated at 8 ~ 16 ohms. The speaker impedance may be found on the name plate or the instruction manual of the speaker. BEFORE ENJOYMENT/ POWER SUPPLY Follow the instructions below for maximum safety: 1. Use a wall outlet for power supply Be sure to connect the AC line cord directly to a household wall outlet, and not to an auxiliary outlet on another component. 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 to the speakers. 3. Furnished Convenience AC Out let Do not connect other appliance(s) to convenience AC outlet if its/ their total power consumption exceeds maximum rated watts labeled next to the outlet. 4. Ventilate the unit well Never block any ventilation holes at the top and bottom of the unit. Be sure also to provide ample ventila tion space around the unit. Poor ventilation may result in damage due to excessive heat. 5. 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 a qualified electrician or your dealer. 6. Turn the volume control initial ly to minimum When lowering the tonearm of your turntable onto a record, an excess of current in the lower frequency range may cause damage to the speakers. To prevent this, always minimize the volume setting initial. ly. 7. 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. EXCLUSIVE NOTE FOR U.K. As your unit comes with a 3 core cable without a plug, make certain live, neutral and earth leads are connected to the proper terminals. Check that the terminals are screwed down firmly and no loose strands of wire are present. WARNING: THIS APPA RATUS MUST BE EARTHED IMPORTANT: The wires in this mains lead are coloured in accordance with the following code: GREEN/YELLOW: EARTH BLUE : NEUTRAL BROWN : LIVE As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured makings identifying the terminals in your plug pro ceed as follows. The wire which is coloured GREEN/YELLOW must be con. nected to the terminal in the plug which is marked by the letter E or by the safety earth symbol I , or colourecl GREEN/YELLOW. The wire which is colourecl 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 con. nected to the terminal which is marked with the letter Lor coloured BROWN or RED. The apparatus must be protect ed by a 3 Amp fuse if a 13 Amp (BS 1363) plug is used. If another type of plug is used a 5 Am fuse or lower must be used, either in the plug or adapter or at the distribution board. GOOD VENTILATION SPEAKER SYSTEM NAME PLATE INPUT TERMINALS SPEAKERS CONNECTION 10 mm SPEAKER A ӨВӨНФ (RIGHT) (LEFT) SPEAKER B SPEAKERA PUSH-INSERT (LEFT) Sus (RIGHT) + SPEAKER B ANTENNA ANTENNA FM — GND 30021 AM 7512 - When using the auxiliary T shape FM antenna and the built in AM antenna. Find the most suitable direction and location for the FM indoor antenna, and attach it to the wall, ceiling, etc., with thumbtacks. REMOTE SPEAKERS CB MAIN SPEAKER SYSTEMS (A) 3~4m - (10715 feet) ROTEL STEREO RECEIVERS LSHIELED TYPE CORD OW (15~20m/50 60 feet) 3~4m RIGHT SPEAKER (10~15 feet) LEFT SPEAKER EAR LEVEL HEIGHT ANTENNE - When using outdoor AM and FM antennas. c ANTENNA FM— 300127 GND - 7512 AM SPY FM ANTENNA AM ANTENNA Setting up the outdoor FM antenna. OOK! X NO OOK! han COMPONENTS CONNECTION INPUT OUTPUT. L, RM 8. 00 00 GND RX-304 TERMINAS COMPONENTS CORDS TURNTABLE WITH MAGNETIC TYPE CARTRIDGE MAG PHONO CER TURNTABLE WITH CERAMIC TYPE CARTRIDGE AUX TAPE PLAYER LINE OUT OUT TAPE MONITOR TAPE DECK DIN JACK LINE IN GND DIN JACKO R TAPE DECK WITH CERAMIC TYPE TURNTABLE CARTRIDGE NR WITH MAGNETIC TYPE CARTRIDGE When using DIN type cords, no connections are made using the RCA type pin terminals. OO...OOT LINE OUTLINE IN RL ALRA AL SIN !! GND DIN TYPE REC/PB CORD 1 CERMAG AUX Y T-MONITOR REC/PB OUT RCA PIN JACK AUX (TAPE PLAYER) SWITCH FUNCTIONS (9) FM Muting Switch This switch is used to cut intersta tion noise when tuning FM stations. (10) Tape Monitor Switch Use this switch to select for tape playback or for other programs. Push this switch on when tape play back. Push the switch again (OFF) to listening the other programs (SOURCE). Power Switch Pressing this switch will turn the power on, and the dial scale lamp will illuminate, indicating that the unit is functioning. (2) Phones Jack You may connect a pair of head phones to this jack for private listening. With the speaker selection switch in the 'OFF' position, the headphone level may be adjusted with the volume control. (3) Speaker Switches (A & B) Use this switch to select which of the speaker systems connected to the A and B terminals on the rear panel you wish to listen to. Both systems may also be driven simul taneously (4) Bass Control Turning this control knob to the right of the 'O' position accentuates the lower bass frequencies, while turning it to the left decreases them. Tuning Knob This knob is used to select the de sired radio broadcast station. (12) Function Switches These switches are used when listening to programs other than those from the tape deck. PHONO - Use for turntable listen ing. FM, MW, LW - Use for radio broad casts. AUX – Use for listening to what ever component has been connect ed to the rear panel auxiliary terminals, such as tape player, etc. (13) Watt Meters These meters allow you to observe the power output of the unit. Power output of the left and right channels is individually shown. (5) Treble Control Turning the control knob to the right of the 'O' position accentuates the upper treble frequencies, while turning it to the left decreases them. (6) Balance Control in the central position, sound is produced in equal level from both speakers, while turning it to the right decreases the sound from the left speaker, and turning it to the left decreases the sound from the right speaker. BASIC OPERATION Before turning your system on, please check the following points: 1. Check to see that all the con nections between the various com ponents and speakers have been made properly. 2. Always turn the volume control to the minimum setting before switching on the power. 3. Be sure that you clearly under stand the functions of the various switches and controls. Refer to the instruction manual for any that are unclear. 4. Be sure the electric outlet voltage matches that designated for the components. (14) Tuning Meter (AM/FM) When tuning an AM station, the farthest point to the right reached by the needle indicates the strongest reception point. When tuning an FM station, the central position of the needle indicates the point of best reception. (15) Stereo Indicator (FM only) This indicator will automatically illuminate whenever an FM stereo (16) Dial Scale The upper scale indicates FM frequencies, the middle scale MW frequencies, and the lower scale LW frequencies. Volume Control Turn the control clockwise to in crease the sound level and counter clockwise to reduce the level. (8) Loudness Switch This switch is employed when listening at decreased volume levels, to help overcome the human ear's loss of sensitivity to low and high frequencies. Using this switch boosts bass and treble frequencies, to provide natural sound quality. ROTE 41FELHEVEA 1 -(14) -(15) (16) NA HOW agga (13) (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) RECEIVING MW/LW/FM BROADCASTS STEP 1 TIL LITECH AIRT TUNING AHWINAL _FUNCTION VOLI MW O TUNING POVLH POWEHR HOTEL LLANT TLPE MONITOR LW MW FM OPE STEP 2 - UN OM ON OFF (SOURCE) ROT WITTE PUNTO VEHLE Tiki BUNEH PHONE BALANCE LULUN U MURTING THE MONTH FM ONLY STEP 3 ON ON ROTETORE DICHT TINING WATTH WUTTA AMTIONAL -TUNET F M DEROPVALLE HULU LITHIN POWER HOT LOLIDN TMMLITINO TAPE MONITOR EM DESIRED POSITION TUNING TUNING - - MW LW F AM SIGNAL X NO AM SIGNAL X NO FM FV AM SIGNA_ X NO AMSIGNAL X NO FN FM AM SIGNAL AM SIGNAL Оок! OOK! PLAYBACK (TURNTABLE/AUXI STEP 1 FOTEL WITH TUNING TENER MUTTA - ANTON - HOND UC VOLUME TUNING POWER HOHER FIA TRE LUON U TNOTARE MONITOR TURNTABLE STEP 2 ON ON OFF SOURCE BOTE W M3 TINN MATT VULLE பபMEH ADRE DHE UA THLUL TAUTUM TAPETOA pobo Ö ö ö oco TURNTABLE -----AUX (TAPE PLAYER) — - OW STEP 3 PLAY START PLAY START STEP 4 ROTE www HIGHT TUNIC TH PROTIC WITH ATTE AM FINAL WILLIME Tih POWER PHONE OLEHLAH HLAH İN TIN TAH MUNITOH DESIRED POSITION PLAYBACK (TAPE) STEP 1 TEE ON MONITORI STEP 2 NEW RETIE HELLA TO ETC 6 000 ○ 이이이이 PH STEP 3 III DR.] 100001 PLAY START STEP 4 TH TE It iTA 0 600 0 1 이주 0 DESIRED POSITION TAPE RECORDING TH FDAN THE MONTUM 00...OOT REC START ON MONITOR DESIRED POSITION OFF /SOURCE) When your deck has 3 heads. When your deck has no 3 heads. POSITION . LISTENING TAPE RECORDED LISTENING THE SOURCE ENGLISH You can record a program source onto a connected tape deck by set ting it to the record mode. Volume, tone, and other sound controls have no effect on the recording signal. When listening to a previ ously recorded program, these controls may be used to obtain your own preferred sound quali ties. During recording, the monitor switch allows you to listen to either the original source or the recorded sound. Stereo Sound Seems Unnatural 1. Cord connections are improper ly made. 2. Mode switch is turned to "Monaural' position. Before concluding that there is some malfunction in the system, be sure to carefully reread the manual. 240V 117 V 220V - 100V THE PROTECTION CIRCUIT If no sound is produced after per forming the previously mentioned checks, the cause may be due to a blown safety fuse. First, turn off the power and disconnect the plug from the wall outlet, and check to be sure that the speaker wires are not short circuited. Also, if two pairs of speaker systems are being used simultaneously, check to see whether or not the impedance of each speaker exceeds 8 ohms (if it is below 8 ohms, the receiver will be overloaded due to low im pedance). Next, open the fuse box located on the rear panel, and if either of the 2 fuses has been blown, replace it with a new one. (Be sure the new fuse if of the same amperage rating.) After replacing the fuses, turn the system on again. Note: If the new ones also blow immediately, do not attempt any further operation of the unit but contact your Rotel dealer or service center.) No Sound Is Produced, Sound Quality Is Poor Possible causes for lack of sound: 1. Speaker switch is in the 'Off' position. 2. Speaker cords are disconnected or broken. 3. Volume is turned to the mini mum setting HUM AND NOISE In any high fidelity installation, hum may be caused by the inter connection of a record player, tuner and amplifier, and speakers as result of the cables, different grounds or locations of components. If hum is experienced with your unit, disconnect everything but the speakers from the unit. If the hum persists, reverse the power plug at the power source. Plug in the record player and if hum or howling appears, move the record player away from the speakers as much as possible. Note hum may also be induced by defective connection cables or by running these cables too close to a strong AC field. When your unit picks up noise dur ing the reception of broadcasts, causes are mostly due to external objects such as fluorescent lamps and house appliances using motor or thermostat, or thers that may induce the noises. 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 causes, consult your dealer or a qualified electrician. VOLTAGE SELECTION Not available for U.K., Canada and Scandinavia The receiver is a variable voltage equipment that can run on 100V, 117V, 220V or 240V power sup ply. Your unit comes already pre set at the proper voltage for use in your area, however, if you move to an area where the power supply voltage is different, the voltage setting can be manually changed. BE SURE THAT YOUR UNIT IS NOT CONNECTED TO THE POWER SOURCE BEFORE AT TEMPTING TO MAKE THIS CHANGE. To change the voltage setting, re move cabinet and locate the VO. LTAGE SELECTOR (see figure left). Pull up the voltage selector plug which has a white arrow on its top. Reinsert the plug to the selector base so that the head of the arrow lines up with the pointer line of the voltage you desire. Sound Comes From One Speaker Only 1. Balance control is turned all the way to one channel. 2. Component connection cords or speaker cords are disconnected or broken. hlem No Sound (Except From Tape) Check the tape monitor switch to see if it is turned to the 'Source position or not. It should be set at the "Source" position when listen ing to programs other than tape. SPECIFICATIONS POWER AMPLIFIER SECTION: Continuous Power Output: 22 watts* per channel, min. RMS, both channels driven at 8 ohms or 25 watts per channel both channels driven at 4 ohms 20 to 20,000 Hz with no more than 0.1% total harmonic distortion. Total Harmonic Distortion... .No more than 0.1% (20 to 20,000Hz, AUX) (continuous rated power output) No more than 0.05% (11 watts per channels power output 8 ohms) No more than 0.05% (1 watt per channel power output) Intermodulation Distortion:.. No more than 0.1% (50Hz: 7,000Hz=4:1, from AUX) (continuous rated power output) No more than 0.05% (11 watts per channel power output 8 ohms) No more than 0.05% (1 watt per channel power output 8 ohms) Output: Speaker................A,B (4 - 16 ohms) A+B (8 - 16 ohms) Headphone ..............4-16 ohms Damping Factor.................40(20 to 20,000Hz, 8 ohms) FM TUNER SECTION: Usable Sensitivity: Mono ..................1.9uV (10.8dBf) Stereo .................4. 8V (18.8dBf) 50dB Quieting Sensitivity: Mono. .3.84V (16.8dBf) Stereo .................444V (38.2dBf) Signal-to-Noise Ratio (at 65dBf): Mono. .70dB Stereo ............ . .65dB Distortion (65dBf): 100Hz .... 0.15% (mono), 0.25% (stereo) 1kHz ........ ..0.15% (mono), 0.25% (stereo) 6kHz.......... 0.25% (mono), 0.35% (stereo) Frequency Response .. .30Hz to 15,000Hz +1.0dB, -3dB Capture Ratio ... 1.0dB Alternate Channel Selectivity... 60dB Spurious Response Ratio. .70dB Image Response Ratio ..... 50dB IF Response Ratio .. .65dB AM Suppression Ratio ..... 55dB Muting Threshold ... .12.8dBf Stereo Separation ................40dB (1 kHz) 30dB (50 to 15,000Hz) Subcarrier Product Ratio...... 55dB SCA Rejection Ratio ..............60dB Antenna Input... .300ohms balanced, 75 ohms unbalanced AM TUNER SECTION: Sensitivity MW ...... LW ...... Selectivity Signal-to-Noise Ratio . .... Image Response Ratio .... IF Response Ratio ....... Antenna... . . . . . . 250V/m (IHF, Ferrite antenna) • 550V/ın .....23dB .45dB 45dB 38dB .Built-in ferrite loopstick antenna (inside chassis) PRE AMPLIFIER SECTION: Input Sensitivity/Impedance: PHONO (MAG). ...........2.5mV/47 kohms AUX ..................150mV/33 kohms TAPE IN................150mV/33kohms Overload Level (Max. Input Level) (T.H.D. 0.5%, 1kHz) PHONO (MAG) ............ 140mV AUX ..................Not less than 5V Output Level/Impedance: TAPE OUT ..............300mV/600 ohms TAPE OUT (DIN)...........100mV/90 kohms Frequency Response: PHONO ................30Hz to 15,000Hz +0.4dB (RIAA) AUX, TAPE IN............8Hz to 45,000Hz +0.3dB, -2.0dB Tone Control: BASS. ..+10dB (50Hz) TREBLE................+10dB (20kHz) Loudness Contour. +10dB(100Hz), +4dB (10kHz) (Volume control set 40dB position) Hum and Noise (IHF, A network rated power) PHONO ................75dB AUX, TAPE IN............85dB MISCELLANEOUS: Power Requirements ..............120V/60Hz or 220V/50Hz or 240V/50Hz or, 100, 120, 220, 240V/50-60Hz (switachable) Power Consumption ..... ...170 watts (Max.) Dimensions (Overall) ..............430(W) x 145(H) x 316(D) mm Weight (Net)...................7.2kg/15.84 lbs NOTE: Specifications and design subject to possible modification with out notice. *Measured pursuant to the Federal Trade Commission's Trade Regulation Rule on Power Claims for Amplifiers. (Applicable to the U.S.A. only)


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