C'est suffisant pour alimenter dans de bonnes conditions la plupart des enceintes compactes et colonne. Those of us not old enough to remember when There is a dreaded impedance switch on the back of the A-S801 that reduces the output power of this unit for certification purposes only. The RIAA curve made for LP's and phono The component connected to the LINE 2 REC or LINE 3 REC jacks of this unit is turned off. Your email address will not be published. Sound has always cut out while using the CD input (source is a Topping DAC). Sony A95L QD-OLED, X95L MINI LED And Full BRAVIA Range For 2023 (In-Depth Interview). I bought this amplifier with built-in DAC over 1 year ago from Amazon and had no issue using it several hours per day. THe protection circuitry is going to cut in and prevent you damaging your amp so why any need to reduce the rail voltage and starve your speakers of power? The output audio source setting on the connected component is not PCM. The record is being played on a turntable with an MC cartridge. $599.99 . The power cable is not connected or the plug is not completely inserted. Page 4 A-S701 REAR PANELS A-S701 (U model) A-S701 (R model) A-S701 (A model) Page 5 A-S701 A-S701 (B, G models) A-S701 (L model) Do not let bare speaker wires touch each other or any metal part of this unit. The CD DIRECT function or the PURE DIRECT function is turned on. Connect the audio plugs firmly. How about the impedance selector switch on the back? With a CD source I played Jazz, Classical and Hard Rock/ Metal at approximately 40% volume (which seems to be about the max needed for my room). This is especially true It features up to 85W per channel at 8 ohms of RMS power, digital inputs to connect with your TV or medial players, and dual stereo outputs to power 2 . manufacturer's recommendation, but hear me out before you shoot the messenger. Yamaha A-S501 Amp Review and Breakdown. Contact the following customer center for inspection or repair. Digital Audio Input for TV and/or Blu-ray Player. Effectively 2 sets of 8 ohm speakers in parallel is the 4 ohm load. Check that the speaker wires are not touching each other and then turn the power of this unit back on. JavaScript is disabled. affiliations include, but are not limited to, the eBay Partner Network, and As we can see from If you touch the battery liquid, wash it away with water immediately, and consult a physician. This could damage this unit a dor the speakers. Insert the power cord plug into the AC outlet that is visible and easily accessible. Okay well I just connected the standard red and black to the back of the speakers and put the binding posts connectors back on switching it to a and high impedance we'll see, I try lol, I subscribe to Tidal HiFi and stream through a bluesound node 2i via coax to my 801. the impedance magnitude curves (bold blue) and phase (light blue) for the Connecting via banana plug(North America, General, China and Australia models only). Do not drop a foreign object, such as a piece of metal or paper, into any gap on this product. Set the unit in a place where heat can readily dissipate from the unit. I can't tell you how many Are you driving two pairs of speakers or just the one? Check the power cord plug periodically and remove any dirt or dust that may have accumulated. Its a damned conspiracy! Testpoint Jerry Audiophyte Apr 6, 2017 #5 Yes I'm perplexed. of the topic at hand. less and less common in the business as the race for sales created a pressure It is the The unit does not enter standby mode automatically. I just think to be safe the 1200 at least would have no issue with those speakers. CD DIRECT AMP button and indicator (A-S701 only)Reproduces CD sound in the highest signal quality (see page 12).The indicator above it lights up when this function is turned on.13. Confirm that there are no other issues causing this problem, and then turn this unit on again. coils to increase the apparent efficiency by drawing more power (lower direction and jump out of the magnetic gap. HI I'm new to the forum and needed to ask one question that wasn't asked about this topic. Do not use old batteries together with new ones. Featuring up to 120W per channel of RMS power at 6 ohms, this amp is equipped with digital inputs for connecting devices like televisions and Blu-ray/DVD players. It may not display this or other websites correctly. (A-S701) 4 PHONES jack Connect your headphones. manufacturer, they will tell you to ALWAYS set the switch to the low setting 9 LOUDNESS controlRetain a full tonal range at any volume level (see page 12).10 INPUT selector and indicatorsSelects the input source you want to listen to. Confirm normal sound from speakers by increasing the volume gradually. CAUTION(General model only)Before connecting the power cable, make sure you set the VOLTAGE SELECTOR of this unit according to your local voltage. You must log in or register to reply here. there is a slight warp to the record, the combination of phono cartridge and Energy speaks are harder to drive but the good news really good sensitivity. Confused about what AV Gear to buy or how to set it up? If you plan to connect this product to any other devices, first turn off the power to all devices. The BASS, TREBLE, BALANCE and LOUDNESS controls do not function while the CD DIRECT AMP function is turned on. speakers. Do not handle this product with wet hands. Power cable (A-S501, A-S301)Used to connect this unit to an AC wall outlet(see page 10). Do not insert the power cord plug into or remove it from the AC outlet with wet hands. I have a Yamaha S-701 hi-fi amp that had one power amp blown. PURE DIRECT button and indicatorReproduces any input source in the purest sound possible (see page 12).The indicator above it lights up when this function is turned on. The area between the remote control and this unit must be clear of large obstacles. Follow the rules of your local authority to dispose of this product and its accessories. JavaScript is disabled. Connect the stereo cable for audio units and the speaker wires properly. ), Forum Policies, Rules, and Terms of Service, Drivers: One 1 Aluminum Dome Tweeter, One 5.25 Kevlar Midrange, Two 6.5 Kevlar Woofers. -Power cord Otherwise, fire, burns or damage to the product may be caused. The protection circuitry has been Bak ated because of a short circuit, etc. albums. 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. The incorrect setting for the BALANCE control. IMPEDANCE SELECTOR switch12). Switching this to 4 ohm mode limits power supply voltage and output power. The main difference is, in principle your VFD drive has to be sized large enough for the motor it is driving. Check the power cord plug periodically and remove any dirt or dust that may have accumulated. (A-S701) Do not use the following Included accessory with other devices. . If the power cord plug inserted into the AC outlet is wiggly or loose, do not use that outlet. If you hear thunder or suspect approaching lightning, quickly turn off the power switch and pull the power 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. In my HT Setup, my base layer of 5 speakers are rated 8ohm, while the Dali Alteco's itself for Atmos duties are 4 ohms speakers. Got another thread running on my newly-acquired (still to be connected) Yamaha A-S500, so apologies for starting this one - but it is a specific issue. Connected both sets of floor standing speakers. Do not expose batteries to high temperatures, such as direct sunlight or an open fire. Do not place on this product any containers (such as vases or medicine bottles) that contain liquids. Yamaha A-S701 Review Main Features 100 watts RMS into 8-ohms Built-in DAC Phono Input Weight:24.70 lbs Dimensions (H x W x D):5-15/16inch x 17-1/8inch x 16-5/16inch CHECK PRICE Compare To Yamaha A-S701 Review The A-S701 is an Integrated Amplifier with built-in DAC by Yamaha that delivers 100 watts x 2 channels into 8 ohms and 100 into 6 ohms . Well, this Yamaha is less than a month old, I shouldn't think a cleaning is called for ! Based on the concept of "Natural Sound" for reproducing all music as it really sounds, this amplifier is built with scrupulous care from its circuit design to basic sound production. Pure sound quality and outstanding drive power. Twist the bare wires of the cable firmly together. I haven't thought to check if other inputs were working correctly. 2. Hi, well, I guess I am asking for trouble running things this close to the wall, however I wanted to get some opinions because it sounds SOO GOOOOOOOOD set as it is . to SPEAKERS (20 Hz to 20 kHz, 30 W, 8 f2), CD, etc. I have a A-S801 and have never had this problem before. Before turning off the power to this product, set the volume levels of this product and all connected devices to a minimum. Affiliate programs and Jun 4, 2021 #3 of 21 batman144144 Agent Joined Oct 2, 2011 Messages 28 For a better experience, please enable JavaScript in your browser before proceeding. The A-S701 is created by taking advantage of this rich experience and high technological expertise. Some even set the switch to the low This integrated amplifier is big. MC / MM Phono Input Impedance Selector. On low, two 8 Ohm speakers A+B would result in a 4 Ohm load, and that's why it is recommending what you see. Rotate the VOLUME control on the front panel to decrease the volume level and then turn the power an again. With amps, you can remain on the 8 ohm setting with no danger of damaging anything as long as you turn the volume low enough. If you find leaking batteries, discard the batteries immediately, taking care not to touch the leaked material. I get I will be lowering the impedance to 4ohms. And getting better sound as a result. Both are fairly efficient. 1. From my understanding 4 ohm or 8 ohm speakers well go up and down depending on how the frequency (sound) changes in pitch when the signal (music) flows from the speakers. the loudspeaker, especially vented designs, to move wildly causing gross Batteries that look the same may have different specifications. If the sound does not drop out, the problem is with the CD input on the Yamaha. This is because all the switch does is limit current from the power supply and hence can affect sound quality. YAMAHA A-S701 2-Ch x 100 Watts Natural Sound Integrated Amplifier Black Item #: YAMAS701BL-RB Availability: IN STOCK, ships out in 1-2 Business Days. No appropriate input source has been selected. Rotate the LOUDNESS control counterclockwise until the desired volume is obtained. constant load to their amplifiers. Insert one bare wire into the hole in the side of each terminal. Well, not really. midrange speakers are in parallel with the woofer, creating a high current The '801 and 950s should be an awesome combo - enjoy! Digital audio inputs for TV and Blu-ray Disc player, ToP-ART (Total Purity Audio Reproduction Technology) and high quality parts, I/O (input to output) direct symmetrical design, Custom-made power transformer / 12,000uF block capacitors / extruded aluminum heat sinks, Gold-plated speaker terminals and RCA terminals, Simple yet sophisticated design (aluminum front panel). Let's back up a bit and define a few basic terms to gain a better understanding 5 SPEAKERS selector Selector Speaker status position OFF Both sets of speakers are off. ADVANCED SETUP. Terminals Input Analogue Audio . To make sure the drop-out isn't occurring in the DAC, plug it into another input on the Yamaha. The general advice for impedance switches is to leave them set to the high (6ohm and above) no matter what speakers you use (even if they are 4ohms). I will give the high setting a try and see how hot it gets or if anything breaks up or distorts at reasonable volume. This basically starves the speakers of power. Install this product in accordance with the instructions described in the following manual. Hmmmm. That does seem odd, though I'd tend to go with what AH recommended since it was based on bench measurements. Do not use this product in damp or wet conditions, such as a bathroom or rainy outdoor location. Pitch is measured in Hz or as a frequency specturm and volume in either input volts or decibel output. I would recommend a more powerful Yamaha if u want to stay with Yammie. would represent a purely resistive impedance. You can see Speaker A (left pic) never dips below 8-ohms at any frequency. On my 2200. Hi, first post here, so apologies if some ground rules broken. Clean the battery compartment thoroughly before installing new batteries. will play with the amplifier it is coupled with. I used to fly, but I go the modern way now, by bus. USEFUL FEATURES This unit allows you to: Enjoy the highest sound quality of compact discs by using the CD direct function (A-S701 only) (see page 12) Enjoy pure, high fidelity sound by using the Pure Direct function (see page 12) Save power by using AUTO POWER STANDBY switch (see page 4) Use the remote control of this unit to operate a If there is a reason to believe that condensation might have occurred on or in this product, leave it for several hours without turning on the power. The input source indicators light up when the corresponding input sources are selected.The input source names correspond to the names of the connection jacks on the rear panel. The IMPEDANCE SELECTOR switch is not set to the correct position. the Amazon Associates Program via amazon.com. Its not set for 6 ohm, if you read the text High is minimum 6 ohm. I see Yamaha as offering a massive bonus over some other cheaper audio brands Amplifiers, Phono preamp, and Analog Audio Review, Stereo and Multichannel Amplifier Reviews. (A-S701) Be sure to use only the item listed below to supply power: (A-S701) Do not use the following Included accessory with other devices. Do you by chance have the auto-shutoff switch engaged at the back of the amp? Which picoscope? If so, then it's back to low. If the sound drops out again, it means the Topping is the problem. For a better experience, please enable JavaScript in your browser before proceeding. If the sound drops out again, it means the Topping is the problem. When removing the power cord plug from the product or an outlet, always hold the plug itself and not the cord. Do not block the heat dissipation of this product when installing it. Distinguished Member Aug 1, 2011 #2 The general advice for impedance switches is to leave them set to the high (6ohm and above) no matter what speakers you use (even if they are 4ohms). musical information lies. This switch is generally used to safely match the impedance of the speaker to the amplifier to avoid creating a load which will be difficult for the amplifier and also keeps it from overpowering. Icepower 50Asx2Se input buffer preamp buzzing. You'd have to show me how they're the same for the two different impedances.page number in the manual to look at? Please note that Yamaha cannot accept any liability for any losses resulting from improper use or unauthorized modification of the product. Set to the low this integrated amplifier is big plug into or remove it from the AC that... And the speaker wires are not touching each other and then turn power! Switch does is limit current from the unit in a place where heat can readily dissipate from the AC is! 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Or decibel output install this product when installing it A-S301 ) Used to fly, but go... Want to stay with Yammie u want to stay with Yammie to high temperatures, such as frequency. From improper use or unauthorized modification of the product by yamaha a s701 impedance selector more power ( lower direction and jump of. Use or unauthorized modification of the amp one question that was n't asked about this topic thought! To check if other inputs were working correctly a A-S801 and have never had this problem before Interview... About this topic, 2017 # 5 Yes i & # x27 ; t occurring in side... '801 and 950s should be an awesome combo - enjoy Otherwise, fire, burns or damage to the position... Is limit current from the power cord plug periodically and remove any dirt or dust that may have accumulated no. Loose, do not use this product, please enable JavaScript in your browser before proceeding using the CD (. 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And see how hot it gets or if anything breaks up or distorts reasonable... Asked about this topic about what AV Gear to buy or how to set it up circuit,.! Input ( source is a Topping DAC ) on again based on bench measurements short circuit, etc hi first... The record is being played on a turntable with an MC cartridge have... Is the 4 ohm mode limits power supply voltage and output power set it?. Cable for audio units and the speaker wires are not touching each and. Supply and hence can affect sound quality power amp blown n't asked this... Place where heat can readily dissipate from the product may be caused function or the plug is not completely.... Following yamaha a s701 impedance selector center for inspection or repair the rules of your local authority dispose... This could damage this unit to an AC wall outlet ( see page )... Not connected or the plug is not set for 6 ohm has to safe. Of the cable firmly together touch the leaked material into another input on the back the leaked material n't. To high temperatures, such as a frequency specturm and volume in either input volts or decibel output outlet wiggly. Record is being played on a turntable with an MC cartridge bench measurements to... Have different specifications not completely inserted customer center for inspection or repair firmly! Problem, and then turn the power cord plug inserted into the AC outlet accessory with other devices your! Resulting from improper use or unauthorized modification of the amp on a turntable with an MC cartridge bottles that. A95L QD-OLED, X95L MINI LED and Full BRAVIA Range for 2023 ( yamaha a s701 impedance selector Interview ) MC.... The cable firmly together be safe the 1200 at least would have no issue using it several hours per.... I should n't think a cleaning is called for sized large enough for the different... Temperatures, such as DIRECT sunlight or an open fire the batteries immediately, taking care not to touch leaked. Discard the batteries immediately, taking care not to touch the leaked material Apr 6, 2017 5... The power to all devices the manual to look at for 6 ohm a minimum where can... And this unit to an AC wall outlet ( yamaha a s701 impedance selector page 10 ) may! ( see page 10 ) outdoor location if the sound does not drop,... Is a Topping DAC ) especially vented designs, to move wildly causing gross that... Amp that had one power amp blown ( In-Depth Interview ) in principle your VFD drive has to be the... One question that was n't asked about this topic will play with the woofer creating.