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AX-590/490 Natural Sound Stereo Integrated Amplifier 100W + 100W (8Ω) RMS Output Power, 0.015% THD, 20–20,000 Hz <AX-590> 85W + 85W (8Ω) RMS Output Power, 0.019% THD, 20–20,000 Hz <AX-490> High Dynamic Power, Low Impedance Drive Capability Continuously Variable Loudness Control CD DIRECT AMP Switch to Reproduce the Purest CD Sound PURE DIRECT Switch to Reproduce the Purest Source Sound SUBSONIC FILTER Switch to Cut Out Undesirable Ultra-Low-Frequency Signals <For AX-590 only> PRE OUT/MAIN IN Terminals Useful for Connecting An Equalizer, Sound Processor, etc. <For AX-590 only> Remote Control Capability Thank you for selecting this YAMAHA stereo integrated amplifier. CAUTION RISK OF ELECTRIC SHOCK CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK), NO USER-SERVICEABLE PARTS INSIDE, REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. OWNER’S MANUAL CONTENTS Safety Instructions ................... 2 Supplied Accessories .............. 3 Connections ............................. 4 Operations ............................... 7 Remote Control Transmitter ... 11 Notes about the Remote Control Transmitter ................. 12 Troubleshooting ...................... 13 Specifications ......................... 14 IMPORTANT! Please record the serial number of this unit in the space below. • Explanation of Graphical Symbols Serial No.: The serial number is located on the rear of the unit. Retain this Owner’s Manual in a safe place for future reference. WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE. The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert you to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert you to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.  SAFETY INSTRUCTIONS 1 Read Instructions – All the safety and operating instructions should be read before the unit is operated. 11 Power-Cord Protection – Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the unit. 2 Retain Instructions – The safety and operating instructions should be retained for future reference. 3 Heed Warnings – All warnings on the unit and in the operating instructions should be adhered to. 12 Cleaning – The unit should be cleaned only as Follow Instructions – All operating and other instructions should be followed. 13 Nonuse Periods – The power cord of the unit should be Water and Moisture – The unit should not be used near water – for example, near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pool, etc. 14 Object and Liquid Entry – Care should be taken so that Carts and Stands – The unit should be used only with a cart or stand that is recommended by the manufacturer. 15 Damage Requiring Service – The unit should be serviced 4 5 6 recommended by the manufacturer. unplugged from the outlet when left unused for a long period of time. objects do not fall into and liquids are not spilled into the inside of the unit. by qualified service personnel when: 6A A unit and cart combination should A. The power-supply cord or the plug has been be moved with care. Quick stops, excessive force, and uneven surfaces may cause the unit and cart combination to overturn. 7 8 9 damaged; or B. Objects have fallen, or liquid has been spilled into the unit; or C. The unit has been exposed to rain; or Wall or Ceiling Mounting – The unit should be mounted to a wall or ceiling only as recommended by the manufacturer. Ventilation – The unit should be situated so that its location or position does not interfere with its proper ventilation. For example, the unit should not be situated on a bed, sofa, rug, or similar surface, that may block the ventilation openings; or placed in a built-in installation, such as a bookcase or cabinet that may impede the flow of air through the ventilation openings. Heat – The unit should be situated away from heat sources such as radiators, stoves, or other appliances that produce heat. D. The unit does not appear to operate normally or exhibits a marked change in performance; or E. The unit has been dropped, or the cabinet damaged. 16 Servicing – The user should not attempt to service the unit beyond those means described in the operating instructions. All other servicing should be referred to qualified service personnel. 17 Power Lines – An outdoor antenna should be located away from power lines. 18 Grounding or Polarization – Precautions should be taken so that the grounding or polarization is not defeated. 10 Power Sources – The unit should be connected to a power supply only of the type described in the operating instructions or as marked on the unit. Caution: Read this before operating your unit 1 To assure the finest performance, please read this manual carefully. Keep it in a safe place for future reference. 2 Install this unit in a cool, dry, clean place – away from windows, heat sources, sources of excessive vibration, dust, moisture and cold. Avoid sources of humming (transformers, motors). To prevent fire or electrical shock, do not expose the unit to rain and water. 3 Do not operate the unit upside-down. It may overheat, possibly causing damage. 4 Never open the cabinet. If something drops into the set, contact your dealer. 5 6 2 Do not use force on switches, controls or connection wires. When moving the unit, first disconnect the power plug and the wires connected to other equipment. Never pull the wires themselves. Do not attempt to clean the unit with chemical solvents; this might damage the finish. Use a clean, dry cloth. 7 Always set the VOLUME control to “– ∞” before starting the audio source play: increase the volume gradually to an appropriate level after the play back has been started. 8 To prevent lightning damage, pull out the power cord and remove the antenna cable during an electrical storm. 9 When not planning to use this unit for long periods of time (ie., vacation, etc.), disconnect the AC power plug from the wall outlet. 10 Be sure to read the “TROUBLESHOOTING” section regarding common operating errors before concluding that the unit is faulty. 11 AC outlets Do not connect audio equipment to the AC outlets on the rear panel if that equipment requires more power than the outlets are rated to provide.  FCC INFORMATION Compliance with FCC regulations does not guarantee that interference will not occur in all installations. If this product is found to be the source of interference, which can be determined by turning the unit “OFF” and “ON”, please try to eliminate the problem by using one of the following measures: 1. IMPORTANT NOTICE : DO NOT MODIFY THIS UNIT! This product, when installed as indicated in the instructions contained in this manual, meets FCC requirements. Modifications not expressly approved by Yamaha may void your authority, granted by the FCC, to use the product. 2. IMPORTANT : When connecting this product to accessories and/or another product use only high quality shielded cables. Cable/s supplied with this product MUST be used. Follow all installation instructions. Failure to follow instructions could void your FCC authorization to use this product in the USA. 3. NOTE : This product has been tested and found to comply with the requirements listed in FCC Regulations, Part 15 for Class “B” digital devices. Compliance with these requirements provides a reasonable level of assurance that your use of this product in a residential environment will not result in harmful interference with other electronic devices. This equipment generates/uses radio frequencies and, if not installed and used according to the instructions found in the users manual, may cause interference harmful to the operation of other electronic devices. Relocate either this product or the device that is being affected by the interference. Utilize power outlets that are on different branch (circuit breaker or fuse) circuits or install AC line filter/s. In the case of radio or TV interference, relocate/reorient the antenna. If the antenna lead-in is 300 ohm ribbon lead, change the lead-in to coaxial type cable. If these corrective measures do not produce satisfactory results, please contact the local retailer authorized to distribute this type of product. If you can not locate the appropriate retailer, please contact Yamaha Electronics Corp., U.S.A. 6660 Orangethorpe Ave, Buena Park, CA 90620. The above statements apply ONLY to those products distributed by Yamaha Corporation of America or its subsidiaries. We Want You Listening For A Lifetime YAMAHA and the Electronic Industries Association’s Consumer Electronics Group want you to get the most out of your equipment by playing it at a safe level. One that lets the sound come through loud and clear without annoying blaring or distortion – and, most importantly, without affecting your sensitive hearing. Since hearing damage from loud sounds is often undetectable until it is too late, YAMAHA and the Electronic Industries Association’s Consumer Electronics Group recommend you to avoid prolonged exposure from excessive volume levels. SUPPLIED ACCESSORIES After unpacking, check that the following parts are contained. ● Remote Control Transmitter ● Batteries (size AA, R6, UM-3) 3  CONNECTIONS ● ● Before attempting to make any connections to or from this unit, be sure to first switch OFF the power to this unit and to any other components to which connections are being made. When making connections between this unit and other components, be sure all connections are made correctly, that is to say L (left) to L, R (right) to R, “+” to “+” and “–” to “–”. Also, refer to the owner’s manual for each component to be connected to this unit. AX-590 Tape deck 2 LINE OUT Turntable OUTPUT OUTPUT GND Speakers A LINE IN Compact disc player Right Left GND PHONO AC OUTLETS SWITCHED MM/MC l20V 60Hz l00W MAX. TOTAL SPEAKERS REMOTE CONTROL CD A PRE OUT MAIN IN TAPE PB TUNER REC OUT TAPE PB TAPE 1 B REC OUT TAPE 2 AUX PHONO A OR B:6ΩMIN./SPEAKER A B:l2ΩMIN./SPEAKER COUPLER AUDIO OUT LINE IN LINE OUT OUTPUT To AC outlet Right Tuner Tape deck 1 Video cassette player, LD player, etc. Left Speakers B : Refer to “ABOUT THE OTHER REAR PANEL PARTS” on page 6. PHONO (MM/MC) switch AX-590 only Select either MM or MC position depending on your PHONO cartridge, Moving Magnet or Moving Coil type. However, if you use a high output MC cartridge, select MM position. To select the MC position, press this switch so that it is held inward. To select the MM position, press this switch so that it is released outward. 4 MM/MC  AX-490 Tape deck 1 LINE OUT Speakers A LINE IN Tuner OUTPUT OUTPUT Compact disc player Right Left (U.S.A. model) GND CD TUNER AC OUTLETS SWITCHED TAPE PB SPEAKERS l20V 60Hz l00W MAX. TOTAL TAPE 1 MAINS REC OUT A TAPE PB PHONO TAPE 2 PHONO REC OUT B AUX A OR B:6ΩMIN./SPEAKER A B:l2ΩMIN./SPEAKER LINE OUT LINE IN To AC outlet AUDIO OUT OUTPUT GND REMOTE CONTROL Right Turntable Video cassette player, LD player, etc. Tape deck 2 Left Speakers B : Refer to “ABOUT THE OTHER REAR PANEL PARTS” on page 6. AC OUTLETS (SWITCHED) (U.S.A., Canada, Europe and General models) ............................................................3 SWITCHED OUTLETS (U.K. and Australia models) ..................1 SWITCHED OUTLET Use these to connect the power cords from your components to this unit. The power to the SWITCHED outlets is controlled by this unit’s POWER switch or the provided remote control transmitter’s POWER key. These outlets will supply power to any component whenever this unit is turned on. The maximum power (total power consumption of components) that can be connected to the SWITCHED AC OUTLETS is 100 watts. 5  CONNECTING SPEAKERS Connect the SPEAKERS terminals to your speakers with wire of the proper gauge, cut as short as possible. If the connections are faulty, no sound will be heard from the speakers. Make sure that the polarity of the speaker wires is correct, that is, + and – markings are observed. If these wires are reversed, the sound will be unnatural and will lack bass. Do not let the bare speaker wires touch each other and do not let them touch the metal parts of this unit as this could damage this unit and/or speakers. ● ● ● One or two speaker systems can be connected to this unit. If you connect only one speaker system, connect it to either the SPEAKERS A or B terminals. Use speakers with the specified impedance shown on the rear of this unit. <U.S.A., Canada and General models only> Banana Plug connections are also possible. Simply insert the Banana Plug connector into the corresponding terminal. How to Connect: Red: positive (+) Black: negative (–) 2 1 3 ➀ Unscrew the knob. ➁ Insert the bare wire. [Remove approx. 5mm (1/4”) insulation from the speaker wires.] ➂ Tighten the knob and secure the wire. ABOUT THE OTHER REAR PANEL PARTS REMOTE CONTROL (PHONO) connector If you have a YAMAHA turntable with a terminal for remote control, connect it to this connector by using the cable provided with the turntable. This connection allows you to control the turntable from the provided remote control transmitter. PRE OUT GND terminal (For turntable use) Connecting the ground wire of the turntable to this terminal will normally minimize hum, but in some cases better results may be obtained with the ground wire disconnected. COUPLER Notes If you will not use the PRE OUT/MAIN IN terminals, never remove the jumper pins from these terminals. If removed, no sound will be output from this unit. ● If you will use this unit with an external unit connected between the PRE OUT and MAIN IN terminals, make sure that the CD DIRECT AMP switch and the PURE DIRECT switch on the front panel are turned off. ● If you will use this unit as a power amplifier, connect the outputs of an external control amplifier etc. to this unit’s MAIN IN terminals. In that case, this unit’s controls will not function except the PHONES jack and the SPEAKERS switches, so use the controls on the external control amplifier to make volume adjustment etc. ● PRE OUT/MAIN IN terminals AX-590 only Removing the jumper pins enables this unit to independently perform the functions of a control amplifier and a power amplifier. These terminals are for connection of a signalprocessing system such as a graphic equalizer or sound processor. If a sound processor or other external unit is connected between these terminals, the VOLUME control of this unit can be used for overall adjustment of the level of sound. To connect such a unit, remove the jumper pins from the PRE OUT/MAIN IN terminals, connect the inputs of that unit to the PRE OUT terminals and its outputs to the MAIN IN terminals. For details, refer to the owner’s manual included with the unit to be connected. 6 MAIN IN  OPERATIONS AX-590 7 2 1, 6 4 AX-490 7 3 7 2 1, 6 4 7 3 TO PLAY A SOURCE 1 4 VOLUME l8 l6 l4 20 Select the speakers to be used. l2 24 l0 28 SPEAKERS 8 34 A B ON ON OFF OFF 6 4 40 3 50 2 60 l 70 0 –dB ∞” position. Set to the “ 2 * If you use two speaker systems, press both the A and B switches. Turn the power on. 5 POWER Play the source. 6 VOLUME l6 l8 20 l4 l2 24 l0 28 3 8 34 Select a desired input source. 6 4 40 3 50 INPUT 2 60 CD TAPE 1 l 70 TUNER 0 TAPE 2 –dB PHONO Adjust to the desired output level. AUX * AX-590 only If you select turntable as an input source (PHONO position), you should confirm that the PHONO (MM/MC) switch on the rear panel is set to the position corresponding to the type of cartridge being used by the turntable. (Refer to page 4.) 7 If desired, adjust the BASS, TREBLE, BALANCE and LOUDNESS controls, etc. (Refer to page 9–10.) To turn off the power Press the POWER switch again. 7  AX-590 3 1 3, 5 AX-490 3 1 3, 5 TO RECORD A SOURCE TO TAPE (OR DUB FROM A TAPE TO ANOTHER) 1 4 Select the source to be recorded. AX-490 AX-590 5 REC OUT REC OUT TAPE 1 CD TEAP 2 Set the tape deck to be used for recording in the recording mode. TUNER PHONO AUX TAPE 1 CD TUNER TAPE 2 PHONO To monitor the sound to be recorded (or being recorded), select the tape deck being used for recording with the INPUT selector. AUX INPUT CD TAPE 1 TAPE 2 2 3 Play the source. PHONO AUX Confirm the source by selecting it with the INPUT selector and turning up the VOLUME control. VOLUME INPUT l8 l6 20 CD TAPE 1 l4 24 TAPE 2 l0 TUNER PHONO 8 34 6 4 40 AUX 3 50 2 60 l 70 0 –dB Notes If you want to enjoy another source while recording, select it with the INPUT selector. ● VOLUME, BASS, TREBLE, BALANCE, LOUDNESS controls, CD DIRECT AMP switch and PURE DIRECT switch settings have no effect on the material being recorded. ● l2 28 8 TUNER  Adjusting the BALANCE control Adjust the balance of the output volume to the left and right speakers to compensate for sound imbalance caused from speaker location or listening room conditions. Selecting the SPEAKER system Because one or two speaker systems can be connected to this unit, the SPEAKERS switches allow you to select speaker system A or B, or both at once. AX-490 AX-590 SPEAKERS BALANCE BALANCE l 0 0 l l l 2 2 A B ON ON OFF OFF 2 2 3 3 3 4 4 L5 3 4 5R 4 L 5 5 R Adjusting the BASS and TREBLE controls This control provides compensation for the human ears’ loss of sensitivity to high and low-frequency ranges at low volume. This control is adjustable to retain full tonal range at any volume level. AX-590 BASS l 0 TREBLE l l 2 3 4 5 l 2 3 3 3 4 0 2 2 Adjusting the continuously variable LOUDNESS control 4 1 4 5 5 AX-590 AX-490 5 LOUDNESS LOUDNESS AX-490 l BASS l 0 TREBLE l 2 l 2 0 2 9 4 2 3 4 4 5 BASS 5 3 9 4 7 6 3 4 l0 3 8 5 3 30 dB 2 l0 3 l 2 30 dB Set to the “FLAT” position. FLAT l FLAT 8 5 7 6 4 5 5 2 VOLUME : Turn this clockwise to increase (or counterclockwise to decrease) the low frequency response. l8 l6 l4 20 l2 24 l0 28 6 4 40 TREBLE : Turn this clockwise to increase (or counterclockwise to decrease) the high frequency response. Set to the loudest listening level that you would listen to. 8 34 3 50 2 60 l 70 0 –dB 3 AX-590 AX-490 Turn until the desired volume is gained. LOUDNESS LOUDNESS l l FLAT 30 dB 2 l0 3 9 4 FLAT 30 dB 2 l0 3 9 8 5 6 7 4 8 5 6 7 9  Using the PURE DIRECT switch Using the CD DIRECT AMP switch You can enjoy the purest possible sound from your audio sources by setting this switch so that the indicator illuminates. By doing so, the audio signals bypass the BASS, TREBLE, BALANCE and LOUDNESS controls, thus eliminating any alterations to the audio signals. You can enjoy the purest possible CD sound from your CD player by setting this switch so that the indicator illuminates. By doing so, CD’s input signals are sent to the built-in amplifier special for CD directly bypassing the INPUT selector, BASS, TREBLE, BALANCE and LOUDNESS controls, and then sent to the power amplifier. This signal routing reproduces the purest CD sound eliminating any alterations to the CD signals. AX-590 only * The SUBSONIC FILTER switch and the PRE OUT/MAIN IN terminals are also bypassed. AX-590 only * The SUBSONIC FILTER switch and the PRE OUT/MAIN IN terminals are also bypassed. PURE DIRECT CD DIRECT AMP Setting the SUBSONIC FILTER switch AX-590 only If you set this switch to “ON” position, undesirable ultra-lowfrequency signals caused by turntable rumble or warped records can be cut out without losing sound quality. Note If both the CD DIRECT and PURE DIRECT switches are on, only the CD DIRECT switch will function. SUBSONIC FILTER ON OFF When you listen with headphones Open/close the control door AX-590 only Connect the headphones to the PHONES jack. When listening with headphones privately, set both the SPEAKERS A and B switches to the OFF position. When it is not necessary to operate controls inside the control door, close the door. To close the door PHONES To open the door 10  REMOTE CONTROL TRANSMITTER The remote control transmitter provided with this unit is designed to control all the most commonly used functions of the unit. If the CD player, tuner, turntable and tape deck connected to this unit are YAMAHA components designed for remote control compatibility, then this remote control transmitter will also control various functions of each component. KEY FUNCTIONS For Control of This Unit Turns the power on/off. PLAY/CUT PHONO PLAY CD POWER SKIP SEARCH — PRESET DIR A PAUSE/STOP DISC SKIP + DECK A/B A/B/C/D/E TUNER DIR B TAPE 1 Selects input source. PLAY REC/PAUSE STOP TAPE 2 REC MUTE AUX — • VOLUME + • Turns the volume level up/down. For Other Component Control Identify the remote control transmitter keys with your component’s keys. If these keys are identical, their function will be the same. On each key function, refer to the corresponding instruction on your component’s manual. Starts/stops record play on turntable. PLAY/CUT PHONO PLAY CD POWER SKIP SEARCH Controls tuner +: Selects higher preset station number. –: Selects lower preset station number. A/B/C/D/E: Selects the page (A – E) of preset stations. — PRESET DIR A PAUSE/STOP DISC SKIP + DECK A/B A/B/C/D/E TUNER DIR B PLAY REC/PAUSE STOP TAPE 1 TAPE 2 REC MUTE AUX — VOLUME Controls compact disc player. * DISC SKIP is applicable only to compact disc changer. + Controls tape deck. * DIR A, B and DECK A/B are applicable only to double cassette tape deck. * For a single cassette deck with automatic reverse function, pressing DIR A will reverse the direction of tape running. 11  STANDBY mode (U.K. and Europe models only) While the power is on, pressing the POWER key on the remote control transmitter switches the unit to the STANDBY mode. (In this mode, the indicator is half illuminated.) Note The POWER switch on the front panel of this unit should be turned off when left unused for a long period of time. POWER POWER POWER on mode STANDBY mode NOTES ABOUT THE REMOTE CONTROL TRANSMITTER Battery installation Remote control transmitter operation range AX-590 AX-490 2 1 Remote control sensor 3 Within approximately 6 m (19.7 feet) Battery replacement If you find that the remote control transmitter must be used closer to the main unit, the batteries are weak. Replace both batteries with new ones. Notes ● Use only AA, R6, UM-3 batteries for replacement. ● Be sure the polarities are correct. (See the illustration inside the battery compartment.) ● Remove the batteries if the remote control transmitter will not be used for an extended period of time. ● If batteries leak, dispose of them immediately. Avoid touching the leaked material or letting it come in contact with clothing, etc. Clean the battery compartment thoroughly before installing new batteries. 12 30° 30° Notes ● There should be no large obstacles between the remote control transmitter and the main unit. ● If the remote control sensor is directly illuminated by strong lighting (especially an inverter type of fluorescent lamp etc.), it might cause the remote control transmitter not to work correctly. In this case, reposition the main unit to avoid direct lighting.  TROUBLESHOOTING If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and contact your authorized YAMAHA dealer or service center for help. SYMPTOM CAUSE REMEDY The unit fails to turn on when the POWER switch is pressed. Power cord is not plugged in or is not completely inserted. Firmly plug in the power cord. No sound. Incorrect output cord connections. Connect the cords properly. If the problem persists, the cords may be defective. Appropriate input source is not selected. Select an appropriate input source with the INPUT selector. The SPEAKERS switches are not set properly. Set the SPEAKERS switch which corresponds to the speakers to be used to the ON position. Speaker connections are not secure. Secure the connections. The sound suddenly goes off. The protection circuit has functioned because of short circuit etc. Turning the unit off and then on will reset the protection circuit. Only one side speaker outputs the sound. Incorrect setting of the BALANCE control. Adjust it to the appropriate position. Incorrect cord connections. Connect the cords properly. If the problem persists, the cords may be defective. There is a lack of bass, and no ambience. The + and – wires are connected in reverse at the amplifier or speakers. Connect the speaker wires in the correct phase (+ and –). Sound “hums”. Incorrect cord connections. Firmly connect the audio plugs. If the problem persists, the cords may be defective. No connection from the turntable to the GND terminal. Make the GND connection between the turntable and this unit. Sound level is low. The LOUDNESS control is functioning. Set the LOUDNESS control to the FLAT position. Sound level is low or sound is distorted while playing a record on the turntable. (For AX-590 only) The PHONO (MM/MC) switch on the rear of this unit is set to the improper position. Reset the PHONO (MM/MC) switch to the proper position. The INPUT selector will not function though it is turned. The CD DIRECT AMP switch is ON. Switch off the CD DIRECT AMP switch. Using the BASS, TREBLE, BALANCE, LOUDNESS controls and SUBSONIC FILTER switch (AX-590 only) does not affect the tone. The CD DIRECT AMP or PURE DIRECT switch is ON. The CD DIRECT AMP and PURE DIRECT switches must be switched OFF to use those controls. The remote control transmitter does not work. Direct sunlight or lighting (of an inverter type of flourescent lamp etc.) is striking the remote control sensor of the main unit. Change position of the main unit. The distance or range within which the remote control transmitter can be used decreases. The batteries of this remote control transmitter are too weak. Replace the batteries with new ones. 13  SPECIFICATIONS Minimum RMS Output Power per Channel <AX-590> 8 ohms, 20 Hz to 20 kHz, 0.015% THD ...............................................100W+100W 6 ohms, 20 Hz to 20 kHz, 0.03% THD ...............................................120W+120W <AX-490> 8 ohms, 20 Hz to 20 kHz, 0.019% THD ...................................................85W+85W 6 ohms, 20 Hz to 20 kHz, 0.038% THD ...............................................100W+100W Dynamic Power per Channel (by IHF Dynamic Headroom measuring method) <AX-590> 8/6/4/2 ohms.................140/170/220/290W <AX-490> 8/6/4/2 ohms.................130/150/185/220W DIN Standard Output Power per Channel (4 ohms, 1 kHz, 0.7% THD) [Europe model only] <AX-590> .........................................150W <AX-490> .........................................120W IEC Power [Europe model only] <AX-590> (8 ohms, 1 kHz, 0.015% THD) ..........110W <AX-490> (8 ohms, 1 kHz, 0.019% THD) ..........100W Power Band Width <AX-590> 8 ohms, 50W, 0.03% THD ..........................................10 Hz to 50 kHz <AX-490> 8 ohms, 42.5W, 0.038% THD ..........................................10 Hz to 50 kHz Damping Factor 8 ohms, 20 Hz–20 kHz <AX-590> ...........................more than 320 <AX-490> ...........................more than 240 Damping Factor (DIN) 4 ohms, 40 Hz [Australia, U.K. and Europe models] <AX-590> ...........................more than 160 <AX-490> ...........................more than 120 Maximum Power (EIAJ) 1 kHz, 10% THD [General model only] <AX-590> 8 ohms .................................................145W 6 ohms .................................................170W <AX-490> 8 ohms .................................................130W 6 ohms .................................................150W Input Sensitivity/Impedance PHONO MM .....................2.5 mV/47 k-ohms PHONO MC <AX-590 only> ..........................................160 µV/220 ohms CD/TUNER/TAPE/AUX ....150 mV/47 k-ohms MAIN IN <AX-590 only> ......1.0V/10 k-ohms Maximum Input Signal (1 kHz, 0.007% THD) <AX-590> PHONO MM ...................................150 mV PHONO MC......................................10 mV Maximum Input Signal (1 kHz, 0.003% THD) <AX-490> PHONO MM ...................................115 mV Output Level/Impedance <AX-590> REC OUT ......................150 mV/470 ohms PRE OUT.............................1.0V/1 k-ohms <AX-490> REC OUT ......................150 mV/470 ohms Headphone Jack Rated Output/ Impedance <AX-590> Output Level (8 ohms, 0.015% THD) ..........................................................0.33V Impedance ..................................680 ohms <AX-490> Output Level (8 ohms, 0.019% THD) ............................................................0.3V Impedance ..................................680 ohms Frequency Response (20 Hz to 20 kHz) CD/TUNER/TAPE/AUX ....................0±0.5 dB MAIN IN <AX-590 only> .................0±0.5 dB RIAA Equalization Deviation (20 Hz to 20 kHz) PHONO MM......................................±0.3 dB PHONO MC <AX-590 only> ............±0.5 dB Total Harmonic Distortion (20 Hz to 20 kHz) <AX-590> PHONO MM to REC OUT (3V) ......0.003% PHONO MC to REC OUT (3V).......0.007% CD/TUNER/TAPE/AUX to PRE OUT (1V) ........................................................0.005% CD/TUNER/TAPE/AUX to SP OUT (50W/8 ohms) .................................0.008% <AX-490> PHONO MM to REC OUT (3V) ......0.003% CD/TUNER/TAPE/AUX to SP OUT (42.5W/8 ohms) ..............................0.008% Intermodulation Distortion (Rated output/8 ohms) ........................0.01% Signal-to-Noise Ratio (IHF-A Network) <AX-590> PHONO MM (5 mV Input Shorted) ......................................................... 92 dB PHONO MC (500 µV Input Shorted) ......................................................... 76 dB CD/TUNER/TAPE/AUX (Input Shorted) (CD DIRECT AMP; ON) ................. 110 dB <AX-490> PHONO MM (5 mV Input Shorted) ......................................................... 88 dB CD/TUNER/TAPE/AUX (Input Shorted) (CD DIRECT AMP; ON) ................. 110 dB Residual Noise (IHF-A Network) (CD DIRECT AMP; ON).......................35 µV (PURE DIRECT; ON)...........................90 µV Channel Separation (Vol. –30 dB) <AX-590> PHONO MM/MC (Input Shorted 1 kHz/10 kHz) .........................75 dB/60 dB CD/TUNER/TAPE/AUX (Input 5.1 k-ohms Terminated 1 kHz/10 kHz) ......65 dB/50 dB <AX-490> CD/TUNER/TAPE/AUX (Input 5.1 k-ohms Terminated 1 kHz/10 kHz) ......65 dB/50 dB Tone Control Characteristics BASS: Boost/cut ................±10 dB (20 Hz) Turnover Frequency.........(350 Hz) TREBLE: Boost/cut...........±10 dB (20 kHz) Turnover Frequency.....(3.5 kHz) Filter Characteristics <AX-590 only> SUBSONIC FILTER .........15 Hz, –18 dB/oct Continuous Loudness Control Attenuation ............................–30 dB (1 kHz) (Level related equalization) Gain Tracking Error (0 to –60 dB) ............2 dB Power Supply [U.S.A. and Canada models] ..........................................AC 120V, 60 Hz [Australia and U.K. models] ..........................................AC 240V, 50 Hz [Europe model]..................AC 230V, 50 Hz [General model] ................AC 110/120/220/240V, 50/60 Hz Power Consumption <AX-590> [U.K., Europe, Australia and General models]..............................................210W <AX-490> [U.S.A. model] ...................................190W [Canada model] ...................320 VA, 250W [U.K., Europe, Australia and General models]..............................................210W AC Outlets [U.S.A., Canada, Europe and General models] 3 SWITCHED OUTLETS ..........................................100W max. total [U.K. and Australia models] 1 SWITCHED OUTLET ....100W max. total Dimensions (W x H x D) <AX-590> .................435 x 146 x 388.5 mm (17-1/8” x 5-3/4” x 15-5/16”) <AX-490> ....................435 x 146 x 386 mm (17-1/8” x 5-3/4” x 15-3/16”) Weight <AX-590> ................10.4 kg (22 lbs. 14 oz.) <AX-490> ....................9.2 kg (20 lbs. 4 oz.) Accessories ...........Remote control transmitter Batteries Specifications subject to change without notice. 14  YAMAHA YAMAHA YAMAHA YAMAHA YAMAHA YAMAHA YAMAHA ELECTRONICS CORPORATION, USA 6660 ORANGETHORPE AVE., BUENA PARK, CALIF. 90620, U.S.A. CANADA MUSIC LTD. 135 MILNER AVE., SCARBOROUGH, ONTARIO M1S 3R1, CANADA ELECTRONIK EUROPA G.m.b.H. SIEMENSSTR. 22-34, D-25462 RELLINGEN BEI HAMBURG, F.R. OF GERMANY ELECTRONIQUE FRANCE S.A. RUE AMBROISE CROIZAT BP70 CROISSY-BEAUBOURG 77312 MARNE-LA-VALLEE CEDEX02, FRANCE ELECTRONICS (UK) LTD. YAMAHA HOUSE, 200 RICKMANSWORTH ROAD WATFORD, HERTS WD1 7JS, ENGLAND SCANDINAVIA A.B. J A WETTERGRENS GATA 1, BOX 30053, 400 43 VÄSTRA FRÖLUNDA, SWEDEN MUSIC AUSTRALIA PTY, LTD. 17-33 MARKET ST., SOUTH MELBOURNE, 3205 VIC., AUSTRALIA VS 97850