Why is the volume level low on my Yamaha Amplifier?
If the volume level is low on your Yamaha Amplifier, first check if the sound is muted by pressing MUTE on the remote control or rotating the VOLUME control. Also, the loudness control function might be operating. Try turning down the volume, setting the LOUDNESS control to the FLAT position, and then adjusting the volume again.
Why Yamaha A-S701 Amplifier fails to turn on?
If your Yamaha Amplifier doesn't turn on, ensure the power cable is firmly connected. Also, check if the A AMP button was accidentally pressed on the remote while the unit was off; if so, press the A (power) switch on the front panel. Verify that the speaker impedance is appropriate. If the protection circuitry has been activated due to a short circuit, ensure the speaker wires aren't touching. If none of these steps work, disconnect the power cable and contact an authorized Yamaha dealer.
How to fix no sound on Yamaha Amplifier?
If there is no sound from your Yamaha Amplifier, first check if the sound is muted by pressing the MUTE button on the remote or rotating the VOLUME control. Also, verify that all cable connections are correct and secure. If the problem continues, the cables may be defective and need replacement.
What to do if my Yamaha A-S701 Amplifier fails to turn on?
If your Yamaha Amplifier doesn't turn on, first, ensure the power cable is firmly connected. If that doesn't work, check if the A AMP button was accidentally pressed on the remote while the unit was off; if so, press the power switch on the front panel. Also, verify that the connected speakers have the correct impedance. The issue might also be due to activated protection circuitry; in that case, check the speaker wires for shorts. If none of these steps work, there may be an internal problem, and you should disconnect the power cable.
Why is there a lack of bass and no ambience on my Yamaha Amplifier?
If you're experiencing a lack of bass and ambience with your Yamaha Amplifier, check that the + and – wires are connected correctly at both the amplifier and the speakers. Ensure the speaker wires are connected to the correct + and – phase.
Why don't the BASS, TREBLE, BALANCE, and LOUDNESS controls affect the sound on my Yamaha Amplifier?
If the BASS, TREBLE, BALANCE, and LOUDNESS controls are not affecting the sound on your Yamaha Amplifier, it is likely that the CD DIRECT function or the PURE DIRECT function is turned on. To use these controls, you must turn off the CD DIRECT function or the PURE DIRECT function.
Why don't BASS, TREBLE, BALANCE and LOUDNESS controls affect the sound on my Yamaha A-S701?
If using the BASS, TREBLE, BALANCE, and LOUDNESS controls does not affect the sound on your Yamaha Amplifier, the CD DIRECT or PURE DIRECT function is turned on. Turn off the CD DIRECT function or the PURE DIRECT function to use those controls.
Why only one speaker is working on my Yamaha Amplifier?
If you only hear sound from one speaker with your Yamaha Amplifier, check the cable connections to ensure they are properly connected. If the issue persists, the cables might be defective. Also, verify that the BALANCE control is set correctly.
How to stop humming sound from Yamaha A-S701?
If you hear a humming sound from your Yamaha Amplifier, first ensure the audio plugs are firmly connected; the cables may be defective. If you are using a turntable, make sure it is properly connected to the GND terminal on the unit.
Why does my Yamaha Amplifier turn off suddenly?
Your Yamaha Amplifier might be turning off suddenly due to several reasons. First, check if the speaker wires are touching each other or shorting against the rear panel, and connect them properly. If the speaker is malfunctioning, replace it. The protection circuitry may have been activated due to excessive input or volume, so decrease the volume. If the internal temperature is too high, allow the unit to cool down for about 30 minutes and ensure it's in a well-ventilated area. Also, verify that the IMPEDANCE SELECTOR switch is correctly set. If the unit experienced a strong electric shock, turn it off, disconnect the power, wait 30 seconds, and then plug it back in. If none of these steps work, there may be an internal problem, and you should disconnect the power cable.
Actions for abnormalities and safety rules for power supply.
Safety rules for power supply, installation, ventilation, and stability.
Visual guide and instructions for connecting audio sources and speakers.
Instructions for using REC jacks and connecting speaker cables securely.
Guidance on using banana plugs and establishing bi-wiring connections for speakers.
Solutions for power issues, blinking indicators, and sudden shutdowns.
Solutions for issues like intermittent sound, channel imbalance, hum, distortion.
Remedies for situations where no sound is produced by the unit.
General| Damping factor | 240 |
|---|---|
| Amplifier class | - |
| Frequency range | 10 - 100000 Hz |
| Audio output channels | 2.0 channels |
| Peak power per channel | 160 W |
| Signal-to-Noise Ratio (SNR) | 99 dB |
| Total Harmonic Distortion (THD) | 0.019 % |
| RMS power output per channel (8 Ohm) | 100 W |
| DC-in jack | Yes |
| Audio (L/R) in | 8 |
| Audio (L/R) out | 2 |
| Digital audio optical in | 1 |
| Purpose | Home |
| Product color | Black |
| Connectivity technology | Wired |
| Power consumption (standby) | 0.5 W |
Weight and Dimensions| Depth | 387 mm |
|---|---|
| Width | 435 mm |
| Height | 151 mm |
| Weight | 10300 g |
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