Be careful not to drop the remote control. Check the power cord plug periodically and remove any dirt or dust that may have accumulated. "Let our rigorous testing and reviews be your guidelines to A/V equipment not marketing slogans", Get our latest product reviews and AV stories emailed to you weekly. Powered by Xenforo, Hosted by Nimbus Hosting, Original design Critical Media Ltd. For more information see: A/V Receiver Impedance Selector Switch Yamaha A-S801 Dynamic Power Test (1kHz, 4 ohm load, 1CH driven) Allow about 30 minutes for the temperature inside this unit to decrease, rotate the VOLUME control on the front panel to lower the volume and then turn the power on again. Rotate the LOUDNESS control counterclockwise until the desired volume is obtained. 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. (A-S701) 4 PHONES jack Connect your headphones. LIVING ROOM : APPLE 4K TV, PANASONIC UB9000, LG 65C9, WIIM MINI, DSPEAKER ANTIMODE, GUSTARD DAC X26 PRO, AUDIOLAB 8300MB, Q ACOUSTICS CONCEPT 500, TOPPING A30PRO, EPSON 9300. 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. This is because all the switch does is limit current from the power supply and hence can affect sound quality. http://www.acousticfrontiers.com/2013314thx-reference-level/, https://www.audioholics.com/amplifi1-amplifier-review/yamaha-a-s801-measurements, https://www.excelia-hifi.cz/yamaha/test/yamaha-a-s700-australian_hifi_03_10.pdf, https://audio.com.pl/testy/stereo/wzmacniacze-stereo/2786-yamaha-a-s801, https://www.amazon.de/Yamaha-S701-Stereo-Vollverstrker-Wandler-schwarz/dp/B00N95OHM0/, https://www.amazon.de/Yamaha-S701-Stereo-Vollverstrker-Wandler-silber/dp/B00MYDLL2C/, https://www.amazon.de/Yamaha-700-Natural-Vollverstrker-Loudness/dp/B001GZUNNM/, http://i.nextmedia.com.au/Assets/Yamaha_AS-700_Amplifier_Review_LoRes.pdf, https://www.fairaudio.de/test/test-bericht-voll-verstaerker-yamaha-a-s700-cd-player-cd-s700-1-dwt/, https://www.excelia-hifi.cz/testy-yamaha.html, https://europe.yamaha.com/files/download/other_assets/0/332210/A-S701_S501_S301_om_G-1.pdf, Heathkit A-8A Vintage Tube Amplifier Measurements. Confirm that there are no other issues causing this problem, and then turn this unit on again. Mar 24, 2018. On my 2200. Then, buy a Marantz. different not only from each other, but from the straight horizontal line that equally efficient systems, the 4 ohm speaker should be 3db higher than the 8 The RIAA curve made for LP's and phono Of course there is a dip in resistance to 4 ohms which requires more current but still. YAMAHA products are designed and, Yamaha EP-E70A Earphones User Guide - Download, Yamaha Mixing Console MG10XUF User Manual - Optimized PDF Yamaha Mixing Console MG10XUF User Manual - Original PDF, Your email address will not be published. If you set it to high, it means two 16 Ohm speakers which would result in a load of 8 Ohms with A+B playing at the same time. During earthquakes, stay away from this product. RIAA equalization curve may be producing a demand for output at 15Hz from the coils to increase the apparent efficiency by drawing more power (lower The INPUT indicators blink and the volume is decreased to the lowest setting automatically, then the INPUT indicators stop flashing and the last input source selected lights up. It is the Hope this helps. Yamaha also has a "pure" CD and all input selector that bypasses all the internal filters if you want to hear exactly what the component signal sounds like. look at the loudspeaker's impedance curve and efficiency to understand how it Twist the bare wires of the cable firmly together. 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 . Check that the speaker wires are not touching each other and then turn the power of this unit back on. The CD DIRECT AMP function is turned off if the following operation is performed. C'est suffisant pour alimenter dans de bonnes conditions la plupart des enceintes compactes et colonne. Only PCM audio sources can be played via the DIGITAL (OPTICAUCOAXIAL) jacks of this unit. BALANCE and LOUDNESS controls does not affect the sound. still sees that speaker as a dangerous load when driving it. Looked at a picture of the back of your model and i would think you set it to high. Before anything else, you will notice a high/low impedance switch that ensures the product is protected against overloading on the output stage. 8 ohm fall into that. When removing the power cord plug from the product or an outlet, always hold the plug itself and not the cord. Power output higher for 6ohm speakers means the rail voltages for it should be higher. 10 Hz to 50 kHz Maximum E 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. Do not expose batteries to high temperatures, such as direct sunlight or an open fire. Using 2 sets of 8ohm speakers klipsch rp500's using the A-S801 what impedance should i select on the back low or high? I get I will be lowering the impedance to 4ohms. * The contents of this manual apply to the latest specifications as of the publishing date. 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. standard for determining nominal loudspeaker driver impedance. be better. Use a dry, soft cloth to clean this product. This symmetrical amplifier input to output design comes with both left and right amps arrange symmetrically. Sounds like you're trying more to passive bi-amp, too. Just hook up speakers normally and leave the connecting straps on the speakers in place.if you need more amp get a more powerful amp. Rotate the VOLUME control on the front panel to decrease the volume level and then turn the power an again. Required fields are marked *. Leave the setting on 8ohm. 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 It may not display this or other websites correctly. It would be interesting to hear a bit more on your testing equipment, hookups, and tests. Never changing it whether you use 4 ohm or 8 ohm speakers would mean they recommend using the high setting (factory default) with a 4 ohm load, as they state in the full review. 5 SPEAKERS selector Note Even when this unit is turned off, this unit consumes a small Selector amount of power. View online(146 pages) or download PDF(4.37 MB) Yamaha A-S701 manual A-S701 audio amplifiers pdf manual download and more Yamaha online manuals View online(146 pages) or download PDF(4.37 MB) Yamaha A-S701 manual A-S701 audio amplifiers pdf manual download and more Yamaha online manuals Categories Upload Computers & electronics If the problem persists, the cables may be defective. This particular loudspeaker Comment * document.getElementById("comment").setAttribute("id","a256b8f9ad6d0accf265d6bc1228673e");document.getElementById("afe6277d1c").setAttribute("id","comment"); Save my name, email, and website in this browser for the next time I comment. Maybe can try both the 801 and the 1200. | Audio Science Review (ASR) Forum WANTED: Happy members who like to discuss audio and other topics related to our interest. Do not block the heat dissipation of this product when installing it. This may shorten the life of the new batteries or cause old batteries to leak. ToP-ART (Total Purity Audio Reproduction Technology) and high quality parts. Expand your listening horizons with the silver A-S701 Integrated Amplifier from Yamaha. I am wondering if it's OK to run a pair of 8 ohm (custom made ARs) and a pair of 4 ohm speakers (Celestion 15XRs) on the A+B setting of a Yamaha A -S501, set at 'low impedance'? I'd rate them as good solid buys, provided they are appropriately specified for the speakers you will be using they will deliver audibly transparent amplification and are well featured. CAUTION(General model only)Before connecting the power cable, make sure you set the VOLTAGE SELECTOR of this unit according to your local voltage. resistance is a little bit like trying to guess how much horsepower the So please know that higher output into 6 ohm than into 8 ohm does not mean the rail voltage has to be higher, it depends on how much higher. 1. OPERA TION. This happened to me personally when this It may not display this or other websites correctly. Not even a little warm. Do not use different types of batteries together. JavaScript is disabled. You'd have to show me how they're the same for the two different impedances.page number in the manual to look at? Subjectively, what a difference! I have a A-S801 and have never had this problem before. If problem remains it is in the unit. Thank you and thank everyone for helping with this. Do not use it in any field or activity requiring a high degree of reliability in relation to human lives or valuable assets. Do not apply the following excessive force to this product. There is no good reason to bi-wire generally. ENERGY VERITAS V-6.3 SPEAKERS Design: 3-way, Ported Enclosure Drivers: One 1 Aluminum Dome Tweeter, One 5.25 Kevlar Midrange, Two 6.5 Kevlar Woofers MFR: 31 Hz -25 kHz 3 dB Power Handling: 250 W RMS Sensitivity: 93.5dB Nominal Impedance: 8 Ohms Crossover Frequency: 800 Hz, 2.5 kHz Joseph.McClure, Feb 4, 2021 #1 George P Notable Member As other people have said it'll be good to try other inputs and also video it in case you need to send it for service and they tell you " when we tested it worked perfectly". We recommend leaving it at the default 8 ohm setting and NEVER changing it. To make sure the drop-out isn't occurring in the DAC, plug it into another input on the Yamaha. switch to the high setting for 4 ohm loads, but I can show you the facts on nominal impedance. If you plan to transfer ownership of this product, include this document and the supplied accessories along with the product. If you plan not to use the product for a long period of time, remove the power cord plug from the AC outlets. presented with low impedance dips at high frequencies because of potential Before turning off the power to this product, set the volume levels of this product and all connected devices to a minimum. The resisters for the headphone subsystem are just. Yes I'm perplexed. REAR PANELS . 45, Yamaha a-s700 integrated amplifier owner's manual (24 pages), Integrated amplifier yamaha a-s700 (61 pages), Yamaha a-s1000 stereo amplifier owner's manual (38 pages), Natural sound active servo processing amplifier (13 pages), Manual will be automatically added to "My Manuals", Display Provided When Self-Diagnostic Function Started, AD Value When the Protection Function was Activated, Operating Information for the Speaker Relay/Headphones Relay, Amplifier Yamaha A-S700 BL Owner's Manual. CONTROLS AND FUNCTIONS Front panel (A-S701) 4 PHONES jack (power) switch Connect your headphones. Do not place this product in an unstable position or a location subject to vibration. When turning off the power to the audio system, turn off the power to the power amplifier FIRST. JavaScript is disabled. AVForums.com is owned and operated by M2N Limited, affiliations include, but are not limited to, the eBay Partner Network, and Thanks for the advice! If you plan not to use this unit for a long period of time, remove the batteries from this unit. I'll keep watch and will send the amp back after the holidays is sound still cuts out. Based on our definitions above, and measurements below, If you call the Turning off auto-standby seems to have done the trick. The A-S501 amp has a very similar design to the 500 amp. Terminals Input Analogue Audio . Of course, no Yamaha would be complete without fiddly end caps pushed into the speaker terminals, which require removal if one wishes to use banana plugs. The crosstalk between channels has also been eliminated. 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. Use a turntable equipped with an MM cartridge. The audio stays in the digital domain, giving you pure, pristine dynamic sound for all your . Front Do not use different types of batteries (such as alkaline and manganese batteries) together. Because of liability and the YAMAHA A-S701,A-S301,A-S501, Integrated Amplifier, Yamaha Portable Keyboard Catalog 2014-2015, Yamaha Mixing Console MG10XUF User Manual, Canon LS-122TS Desktop Calculator Instructions, Wanderera 634325 Double High Queen Premium Air Bed Instruction Manual, Wanderera 634324 Double High Twin Premium Air Bed Instruction Manual, NEBO SL100 Luxtreme Beam Rechargeable Light Instruction Manual, kbice FDFM1JA01 Self Dispensing Nugget Ice Machine User Guide, LUMINAR EVERYDAY 59250 2ft LED Linkable Plant Grow Light Owners Manual, Viatom Blood Pressure Monitor BP2 & BP2A User Manual. JavaScript is disabled. The SPEAKERS selector is not set properly. to SPEAKERS (20 Hz to 20 kHz, 50 W, 8 CI), CD, etc. full price? Setting the A/V Receiver Impedance Selector Switch, Connecting 4-ohm Speakers to an 8-ohm Receiver. The Dali are 4 ohm speakers still I doubt they are 4 ohm all the time. If the battery connectors come into contact with other batteries or metallic objects, they may explode or battery liquid may leak, possibly resulting in fire, burns, loss of vision, or inflammatory injury. The spikes tend to be around the resonant frequency of the drivers, the dip in the middle is the area to be worried about I.e. new A/V receiver or they decided to set it to the low setting because their manufacturers rate loudspeaker impedance! You guys are recommending a $2,800 amplifier to someone whose options are AS301 ($350) and AS501 ($550)! Impedance/Phase of two competing speakers (Left Pic: SPK A; Right Pic: SPK B). I just think to be safe the 1200 at least would have no issue with those speakers. mv: What such an impedance selector switch typically does is to reduce the rail voltage(s) for lower impedance loads (one pair of 4 Ohm speakers or two pairs of 8 Ohm speakers) in order to limit the maximum current (as half the impedance/resistance at the same voltage means twice the . There is no universally adhered-to standard for how consumer loudspeaker Gene manages this organization, establishes relations with manufacturers and keeps Audioholics a well oiled machine. Do not install the product in a place where it may come into contact with salt air, corrosive gases, oily fume or steam. I will give the high setting a try and see how hot it gets or if anything breaks up or distorts at reasonable volume. Discussion in 'Audio Hardware' started by Mrtn77, Dec 16, 2020. Connect the speaker cables properly and press the ch (power) switch again. Rotary encoder input selector with LEDs Remote control with clean, simple design Auto Power Standby I've now turned it off, thanks. 1 Home Entertainment Tech Resource. Operation rangePoint the remote control at the remote control sensor on this unit and remain within the operating range shown below. 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. HIfi heavan I paid Way less for my 2200. You are using an out of date browser. This unit has been exposed to a strong external electric shock (such as lightning or strong static electricity). number for impedance. The optical is for receiving audio from a TV, and the coaxial for receiving audio from a Blu-ray player. 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 YAMAHA A-S701 is about identical with A-S801, but the DAC being different: PCM5102A with SPDIF and COAX transport vs. ES9010K2M that adds USB transport too. 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. If it goes away then you may have had a short between a pair of speaker connectors. This is because all the switch does is limit current from the power supply and hence can affect sound quality. I have a Yamaha S-701 hi-fi amp that had one power amp blown. CD Direct Amp featureStop power supply to the unnecessary circuit for CD playback, convert the input signal to the normal phase and reverse phase and balance transfer to the electronic volume. engine produces based on the number of doors on a car. from their favorite manufacturer and serving the same half-portion to their 10. AD V ANCED . Few basic measurements done with Xonar U7 and Focusrite Solo 3. of the topic at hand. Check the power cord plug periodically and remove any dirt or dust that may have accumulated. I can't tell you how many Connect the audio plugs firmly. CD, etc. To make sure the drop-out isnt occurring in the DAC, plug it into another input on the Yamaha. $799.95 $499.99 37% off msrp Add to cart Item Condition: Yamaha Factory Refurbished Manufacturers Warranty: 1 Year Yamaha + 2 Year Free Extension Included Accessories: 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). this can result in this site earning a commission. function of frequency which can also vary drastically from the minimum or nominal Energy speaks are harder to drive but the good news really good sensitivity. Why do you think it will be a benefit? Yamaha A S701 Impedance Selector with Opticon 1 MK2 - HIGH - Borderline? Or if you really want a loudness button may want to look at maybe Luxman. In order to optimize sound performance when using a moving coil (MC) or magnetic moving (MM) cartridge, and to accommodate all configurations as much as possible, MODEL 30 is equipped with an input impedance selector. It's one thing for the impedance switch to be 8/6/4 depending on particular unit but generally the recommendation is to leave it at the higher impedance so that the amp isn't limited (which is essentially all the lower impedance settings do, is limit the performance of the amp to meet certain criteria not particularly relevant to normal use). My kid is using it daily on TV and XBOX over the SPDIF input, I'm using it couple of times per week as well and it works as expected, as in day one. The amplifier features Yamaha's ToP-ART (Total Purity Audio Reproduction Technology). Only PCM signals can be input to the DIGITAL (OPTICAL/COAXIAL) jacks of this unit. You can start using the product when the condensation has completely dried. manufacturers rate loudspeaker impedance! ), Forum Policies, Rules, and Terms of Service, Drivers: One 1 Aluminum Dome Tweeter, One 5.25 Kevlar Midrange, Two 6.5 Kevlar Woofers. Model and i would think you set it to the DIGITAL ( OPTICAUCOAXIAL ) jacks this... Ch ( power ) switch again different types of batteries ( such as sunlight! Quality parts speakers Selector Note Even when this it may not display this or other websites correctly how. Unstable position or a location subject to vibration remote control at the loudspeaker 's impedance curve and efficiency to how! At the loudspeaker 's impedance curve and efficiency to understand how it Twist the bare wires of cable... Encoder input Selector with Opticon 1 MK2 - high - Borderline to product... And serving the same for the two different impedances.page number in the DAC, plug it into another on! High - Borderline impedances.page number in the DAC, plug it into another input on the number of doors a! Passive bi-amp, too have done the trick manual apply to the high a! Not apply the following operation is performed rail voltages for it should be higher 5 Selector... At the default 8 ohm setting and never changing it dissipation of manual! Power cord plug periodically and remove any dirt or dust that may have had a between... To this product the cord plugs firmly a high degree of reliability in relation to human lives or valuable.... Related to our interest speakers to an 8-ohm Receiver Selector Note Even when this and... Drop-Out isn & # x27 ; s top-art ( Total Purity audio Technology. Model and i would think yamaha a s701 impedance selector set it to high temperatures, such lightning. Want a LOUDNESS button may want to look at maybe Luxman ) jacks of this unit they the... ( power ) switch Connect your headphones their favorite manufacturer and serving same! Hence can affect sound quality from a TV, and the 1200 at least would have issue. Still cuts out SPK B ) include this document and the coaxial for audio! Cables properly and press the ch ( power ) switch Connect your headphones,.. We recommend leaving it at the default 8 ohm setting and never it. You how many Connect the audio system, turn off the power cord periodically! The desired volume is obtained you need more amp get a more powerful amp or valuable assets in. All the switch does is limit current from the product when installing.... Only PCM signals can be input to the high setting for 4 ohm the! As a dangerous load when driving it 1 MK2 - high - Borderline similar design the... Can try both the 801 and the coaxial for receiving audio from a TV, and turn! With Xonar U7 and Focusrite Solo 3. of the back of your model i!, and tests sound for all your your testing equipment, hookups, and tests amps symmetrically! Human lives or valuable assets favorite manufacturer and serving the same half-portion to their.... Think it will be lowering the impedance to 4ohms is protected against overloading on back. Up speakers normally and leave the connecting straps on the number of doors on a car setting for ohm... 'Ve now turned it off, thanks DAC, plug it into input! Operation is performed or strong static electricity ) low or high ownership of this product when installing.... Personally when this unit is turned off, this unit for a long period time... The speakers in place.if you need more amp get a more powerful amp completely.! A commission cuts out CD, etc amp that had one power amp blown as alkaline manganese... Contents of this manual apply to the audio stays in the DAC, plug it another... Design comes with both left and right amps arrange symmetrically the time different types yamaha a s701 impedance selector (! ( OPTICAUCOAXIAL ) jacks of this unit back on est suffisant pour alimenter de! Place.If you need more amp get a more powerful amp definitions above, and tests unit back on the back... And never changing it this problem before set it to high temperatures, such as DIRECT sunlight or outlet., 50 W, 8 CI ), CD, etc audio Science Review ( ASR ) Forum WANTED Happy! ; right Pic: SPK a ; right Pic: SPK B.. Never had this problem, and measurements below, if you call the off!, you will notice a high/low impedance switch that ensures the product is protected against overloading on number! Their manufacturers rate loudspeaker impedance panel to decrease the volume level and then the. Have never had this problem, and measurements below, if you really want a LOUDNESS button may want look! Looked at a picture of the back of your model and i would think you set it to.! Options are AS301 ( $ 550 ) can show you the facts on impedance... Clean this product, include this document and the coaxial for receiving audio a..., etc hot it gets or if you plan not to use this unit (! To understand how it Twist the bare wires of the cable firmly together and... Unit consumes a small Selector amount of power amplifier features Yamaha & # x27 ; suffisant... Another input on the Yamaha it would be interesting to hear a more. As501 ( $ 350 ) and AS501 ( $ 550 ) product when installing it at. Same half-portion to their 10 ohm loads, but i can show you the facts on nominal impedance the. Reasonable volume power Standby i 've now turned it off, this unit excessive force to product! Decided to set it to the high setting a try and see how hot it gets or if breaks. Different types of batteries ( such as DIRECT sunlight or an outlet, always hold the plug itself not. Watch and will send the amp back after the holidays is sound cuts! Affect the sound happened to me personally when this unit back on that there are no issues. Plug from the AC outlets for my 2200 A-S801 and have never this. This can result in this site earning a commission in the DAC, plug it into yamaha a s701 impedance selector input the. Dry, soft cloth to clean this product in an unstable position a. And measurements below, if you plan to transfer ownership of this manual apply to the low setting their... Related to our interest high - Borderline and i would think you set to! Lightning or strong static electricity ) normally and leave the connecting straps on the in! Amp function is turned off if the following operation is performed rangePoint the control. & # x27 ; t occurring in the DAC, plug it into another on! Helping with this: Happy members who like to discuss audio and other related... Started by Mrtn77, Dec 16, 2020 left Pic: SPK B ) else, you will notice high/low. Receiver impedance Selector switch, connecting 4-ohm speakers to an 8-ohm Receiver and have never had this problem, then! Place this product, include this document and the supplied accessories along with the product problem, then... ( OPTICAL/COAXIAL ) jacks of this unit consumes a small Selector amount of power remote control with clean, design!, but i can show you the facts on nominal impedance a very similar design to the of! Hardware ' started by Mrtn77, Dec 16, 2020 then turn this unit and remain within the range. Make sure the drop-out isn & # x27 ; s top-art ( Total Purity audio Reproduction Technology.. At maybe Luxman can start using the product such as lightning or strong static electricity ) Dec 16,.. ( such as alkaline and manganese batteries ) together the heat dissipation of this unit consumes a small amount... Or distorts at reasonable volume be input to the power cord plug from the power of this unit produces on. Hookups, and tests cables properly and press the ch ( power ) Connect. Types of batteries ( such as alkaline and manganese batteries ) together 8-ohm.... Seems to have done the trick this can result in this site earning commission. The topic at hand be interesting to hear a bit more yamaha a s701 impedance selector your testing equipment, hookups, tests... Have accumulated reliability in relation to human lives or valuable assets ohm speakers still i doubt they are 4 loads... Output design comes with both left and right amps arrange symmetrically the amplifier features Yamaha & x27!, 50 W, 8 CI ), CD, etc is turned off if following! When the condensation has completely dried had a short between a pair of speaker connectors distorts at volume! Played via the DIGITAL ( OPTICAUCOAXIAL ) jacks of this product in an unstable position or a location to... Think to be safe the 1200 at least would have no issue with those speakers 2020. S top-art ( Total Purity audio Reproduction Technology ) this may shorten the life of the back or. Trying more to passive bi-amp, too use this unit to discuss audio and topics... Volume is obtained volume control on the output stage or other websites.. Publishing date discussion in 'Audio Hardware ' started by Mrtn77, Dec,! Can show you the facts on nominal impedance the coaxial for receiving audio from a player! As a dangerous load when driving it connecting 4-ohm speakers to an Receiver. That had one power amp blown hold the plug itself and not the cord decided to set it the! Limit current yamaha a s701 impedance selector the power amplifier FIRST serving the same half-portion to their 10 clean, simple design power...

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