Integrated Amplifier OWNER’S MANUAL
PRECAUTIONS Please read these precautions carefully before proceeding. Be sure to follow the instructions Please carefully read and observe the following precautions to avoid harm to people or damage to your personal property. After reading this document thoroughly, please retain it in a location that anyone using the product can access at any time. • Be sure to fully insert the power cord plug into an AC outlet.
• Do not carry the batteries in a pocket or bag or store them along with a piece of metal. Otherwise, the batteries may short-circuit, leading to an explosion or leaking liquid, which could result in fires, loss of vision, or injuries. • If you plan not to use the product for a long period of time, or if the batteries are completely discharged, remove them from the remote control. Otherwise, battery liquid may leak, possibly resulting in loss of vision, inflammatory injury, or damage to the product.
Precautions for use NOTICE Follow the precautions below to avoid malfunction and damage to this product and to prevent the loss of data. Power supply • If you plan not to use this product for a long period of time, remove the power cord plug from the AC outlet. Even when the [A] (Standby/On) switch is turned off, a small amount of current still flows through this product. Installation • Depending on the environment in which you use the product, a phone, radio or TV may generate noise.
CONTENTS USEFUL FEATURES ................................... 1 SUPPLIED ACCESSORIES......................... 1 CONTROLS AND FUNCTIONS................. 2 Front panel ........................................................2 Rear panel .........................................................4 Remote control..................................................6 PLAYBACK................................................. 11 Playing a source .............................................
CONTROLS AND FUNCTIONS Front panel (A-S701) 1 A (power) switch Turns on and off the power of this unit. 4 PHONES jack Connect your headphones. Note 5 SPEAKERS selector Even when this unit is turned off, this unit consumes a small amount of power. 2 Power indicator Indicator Status Brightly lit The power of this unit is “on”. Dimly lit This unit is in “standby” mode. For details on the “standby” mode, see page 6. Off The power of this unit is “off”.
CONTROLS AND FUNCTIONS (A-S701) 8 BALANCE control Adjusts the sound output balance of the left and right speakers to compensate for sound imbalances. Note If you rotate the BALANCE control to the end of L (left) or R (right), the opposite side of channel is muted. 9 LOUDNESS control Retain a full tonal range at any volume level (see page 12). 0 INPUT selector and indicators Selects the input source you want to listen to.
CONTROLS AND FUNCTIONS Rear panel (A-S501, A-S301) (A-S701) 1 CD input jacks Used to connect a CD player (see page 9). 2 PHONO jacks and GND terminal Used to connect a turntable that uses an MM cartridge, and to ground the terminal (see page 9). 3 Audio input/output jacks Used to connect external components, such as a tuner, etc (see page 9). 4 DIGITAL (OPTICAL) jack Used to connect a component with a digital optical output (see page 9).
CONTROLS AND FUNCTIONS (A-S501, A-S301) (A-S701) 0 VOLTAGE SELECTOR (General model only) Used to set to your local main voltage (see page 10). A IMPEDANCE SELECTOR switch CAUTION Do not change the IMPEDANCE SELECTOR switch while the power is turned on, as doing so may damage the unit. If the IMPEDANCE SELECTOR switch may not be fully slid to either position, remove the power cable and slide the switch all the way to either position. Select the switch position according to the impedance of the speakers.
CONTROLS AND FUNCTIONS Remote control (A-S701) 1 Infrared signal transmitter Sends infrared signals. 2 A AMP Turns this unit on, or sets it to standby mode. 3 OPEN/CLOSE Opens/closes the disc tray of the Yamaha CD player. Refer to the owner’s manual of your CD player for details. Note Even when using a Yamaha CD player, certain components and features may not be available. (A-S501, A-S301) 4 A CD Turns the Yamaha CD player on, or sets it to standby mode.
CONTROLS AND FUNCTIONS 7 VOLUME +/– Increases or decreases the sound output level. 8 MUTE Reduces the current volume level by approximately 20 dB. Press again to restore the audio output to the previous volume level. Pressing the VOLUME +/– also cancels muting. The input indicator on the front panel for the current input source blinks while the output is muted. 9 PURE DIRECT Reproduces any input source in the purest sound possible (see page 12).
CONTROLS AND FUNCTIONS ■ Installing batteries AA, R6, UM-3 batteries ■ Operation range Point the remote control at the remote control sensor on this unit and remain within the operating range shown below. Approximately 6m Remote control ■ • • • • • • • • • • • • Notes on remote control and batteries The area between the remote control and this unit must be clear of large obstacles. Be careful not to spill water or other liquids on the remote control. Be careful not to drop the remote control.
CONNECTIONS Connecting speakers and source components Make sure to connect L (left) to L, R (right) to R, “+” to “+” and “–” to “–”. If the connections are faulty, no sound will be heard from the speakers, and if the polarity of the speaker connections is incorrect, the sound will be unnatural and lack bass. Refer to the owner’s manual for each of your components. Make sure to use RCA cables or optical cable to connect audio components.
CONNECTIONS ■ REC jacks Rear panel • The audio signals are not output via the LINE 2 REC or LINE 3 REC output jacks when LINE 2 or LINE 3 is selected with the INPUT selector. • The VOLUME, BASS, TREBLE, BALANCE and LOUDNESS controls and the CD DIRECT function (or the PURE DIRECT function) have no effect on the source being recorded. Speaker ■ Connecting speaker cables 1 Remove approximately 10 mm of insulation from the end of each speaker cable. 2 Twist the bare wires of the cable firmly together.
PLAYBACK Playing a source SPEAKERS 4 VOLUME Rotate the SPEAKERS selector on the front panel to select SPEAKERS A, B or A+B BIWIRING. y Set the SPEAKERS selector to the A+B BI-WIRING position when two sets of speakers are connected using bi-wire connections, or when using two sets of speakers simultaneously (A and B). (A-S701) A 5 Play the selected input source. 6 Rotate the VOLUME control on the front panel (or press VOLUME +/– on the remote control) to adjust the sound output level.
PLAYBACK Adjusting to the desired sound LOUDNESS VOLUME ■ Reproducing pure, high fidelity sound (PURE DIRECT) When the PURE DIRECT function is on, noise can be reduced by bypassing the circuit that the audio input signal is not using and stopping the power supply to the circuit. Therefore, in all input sources, you can enjoy music playback in straight and high quality sound. The indicator above the PURE DIRECT button lights up when this function is turned on.
TROUBLESHOOTING Refer to the chart below if this unit does not function properly. If the problem you are experiencing is not listed below or if the instructions below do not help, turn off this unit, disconnect the power cable, and then contact the nearest authorized Yamaha dealer or service center. Problem This unit fails to turn on. This unit turns off suddenly and the power indicator blinks. Cause See page The power cable is not connected or the plug is not completely inserted.
TROUBLESHOOTING Problem Cause Remedy See page Playback has been stopped on the connected component. Turn the component on and start playback. No appropriate input source has been selected. Select an appropriate input source with the INPUT selector on the front panel (or one of the Input selector buttons on the remote control). 11 The SPEAKERS selector is not set properly. Set the corresponding SPEAKERS selector to A, B or A+B BI-WIRING position.
SPECIFICATIONS AUDIO SECTION Item Minimum RMS output power A-S701 A-S501 A-S301 8 Ω, 20 Hz to 20 kHz, 0.019% THD 100 W + 100 W 85 W + 85 W 60 W + 60 W 6 Ω, 20 Hz to 20 kHz, 0.038% THD (Except for Asia and China models) 120 W + 120 W 100 W + 100 W 70 W + 70 W 8Ω 140 W 130 W 100 W 6Ω 170 W 150 W 120 W 4Ω 220 W 185 W 140 W 2Ω 290 W 220 W 150 W Maximum power per channel 1 kHz, 0.7% THD, 4 Ω (U.K. and Europe models only) 160 W 120 W 95 W IEC power 1 kHz, 0.019% THD, 8 Ω (U.K.
SPECIFICATIONS Item Signal to noise ratio (IHF-A network) A-S701 A-S501 PHONO (MM) (5 mV input shorted) 82 dB or more CD, etc. PURE DIRECT on (200 mV input shorted) 99 dB or more CD DIRECT AMP on 104 dB or more Residual noise (IHF-A network) Channel separation A-S301 — — 40 μV CD, etc. (5.1 kΩ input shorted, 1 kHz) 65 dB or more CD, etc. (5.
SPECIFICATIONS Information for users on collection and disposal of old equipment and used batteries: These symbols on the products, packaging, and/or accompanying documents mean that used electrical and electronic products and batteries should not be mixed with general household waste. For proper treatment, recovery and recycling of old products and used batteries, please take them to applicable collection points, in accordance with your national legislation.
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