But with switches of this type any change in sound should be minor or even inaudible. I would like to create a selector-switch box for 3 amplifiers to my set of speakers. 2. 2 receivers/amps, 2 pairs of speakers Utilizing Channels A & B. Total cost here in Aus, including enclosure was around $17. One potential problem is that the power connectors would be right next to signal connectors, so there’s interference potential, but if you use shielded cables, that’s only at the connectors. 1. Aug 30, 2009 #5 You can only share speakers between two amps if you use a switch that guarantees only one connection at any time (including during throw). Test all connections after soldering for conductivity and possible short circuits between connectors. Thanks a lot for such an extraordinary tutorial. Bi-amping two amplifiers to your speakers can greatly improve the sound quality of your audio system. Series means chaining the cabinets together one to the next. If you can accept some hum, you can use something like Pro.2 SP 200 between line level sources and amps/receivers: http://audio-room.net/pro-2-sp-200-source-amplifier-switch-gallery/ As far as power rating goes – higher is better, best to match or exceed your amp’s rated power per channel, definitely do not use anything below 10W. This is what I would hook the floor standing speakers to. Consult your receiver’s owners manual for information on how to adjust individual channel levels to obtain the best possible balance between the speakers. Your scenario would require a rather complex and heavy duty system, you’re talking about switching power (2 poles), line level input signal (4 poles) and speaker level output signal (4 poles), a total of 10 poles at the same time, break-before-make, between 11 devices. I’ve just found such a switchbox: https://www.amazon.com/Amplifier-Receiver-Speakers-Selector-Switcher/dp/B0796KGVXT/ref=sr_1_4?s=electronics&ie=UTF8&qid=1540735524&sr=1-4&keywords=amplifier+switcher&dpID=414UiX3FHhL&preST=_SX300_QL70_&dpSrc=srch Know your amps' and sub woofers' limits. Is there a way to have 1 toggle switch control 2 amps to 4 speakers? and most convenient solution for me. Hope this helps. The set of speakers includes : 2 columns (high-medium), 2 bookshelf speakers (med-low) and one subwoofer. Can I hook two amps up to one sub subwoofer speaker [Solved] - Audio. That’s it all done. Pro: This allows a 2-channel amp to connect to 3 or more speakers a high powered or low powered tube amp. Black Friday / Cyber Monday 2021: Best Amazon Deals on Speakers, Smart Speakers and Headphones. But i still think building a switchbox with a toggle switch is overkill for switching the source-amp line (including turntables), considering that a simple AV switchbox does the job and it’s very cheap. Is the contact points inside the 4PDT switch equivalent to a 16AWG cable ? Switches 1 and 2 MUST be like the one I used in my project. And ideally it would allow to switch from any to any device (say from amp no. The switch is gone, just left with 2 input jacks. When you say Y -splitters, do you mean a switch? But, or at the other amp for two amps. A simple RCA Y splitter looks like this: https://ae01.alicdn.com/kf/H6f0d6bc384d34f68acb17d4ae196734aT/2pcs-1-Male-to-2-Female-RCA-Cable-Adapter-Connector-RCA-Y-Splitter-Audio-Video-Plug.jpg. Wires from each set of input jacks will then connect Switch 3 selects speakers A and/or B. Shroud is a gamer’s gamer. After much reading I decided on an Amp switch box – this being the simplest and most effective solution. Sony System Selector MKII, Technics Model 103, It simply lets you use different amplifiers with your speakers at different times. If you use this type of switch box with tube amps then yes, to be on the safe side only one amp should be powered on at any time and it should be selected (with the switch box) before you turn it on to ensure that the amp is not on without load. .hide-if-no-js { Check the back of the speaker unit or box to look for the number of ohms listed. There are two possible scenarios: 1. For example I want Auxiliary #2 on Receiver #3 through speakers #5. you get the idea. Connecting two amplifiers takes only three basic steps: Now you can use the front panel controls to easily and safely switch from one amplifier to another. You use both speakers A and speakers B at the same time with each receiver. Glad my post could help. no additional electronic wizardry was needed thus very minimal interference with the music signal. Otherwise, the Y splitter is a simple solution if you amplication does not have the features I mention. Sound quality is not an issue. As another holiday season approaches, it is time to think again about holiday gift-giving, and so it’s time to think about shopping and sales – and especially the incredible discounts, There are very few products on today’s consumer electronics market as hot and exciting as smart speakers. In that case, the best solution is to use two switchers like the one I described. In short, I would not use any of these switchboxes to switch between amps. Mounting screws and/or glue. I may have missed it in all the comments above, but to control 4 speakers it appears I have to make 2 switches boxes as you described above – one toggle switch for A Speakers and one for B Speakers. We earn a commission if you click this link and make a purchase at no additional cost to you. Run speaker wire from the #1 output connectors on the back of the switch box to your pair of speakers, again making sure to connect right to right and left to left, and positive to positive and negative to negative. In that scenario, the connections from the amp binding posts to the outer rows of the first switch remain the same; the first switch’s connectors marked SP XX in the above table (the middle row) are connected to the corresponding connectors in the second switch, and the outer rows of the second switch are connected to speakers binding posts for two sets of speakers. Thanks. He was careful, but his daughter wasn’t. I was thinking more of the contacts made inside the switch when the toggle lever is I just came across this project for two amps to one pair of speakers switch box which I’m interested in building. What if you have followed our instructions exactly and it still isn’t working? You see, I only need to switch my amplifiers a few times per year. 5 to amp no. Hope that helps. (11 total- 8 stereo pairs, 3 stereo amps). One 4PDT switch or two DPDT switches (we recommend toggle switches) I connected two 4 ohm speaker in series to A speaker out) , & connect 8 ohm speaker series with 7.5 ohm woofer added to : (B speaker out). thrown to one side or the other to select either amp-A or amp-B. The fifth option (Monoprice) is theoretically designed to work with 2 amps. Good luck on your project. Or you simply want to quickly compare 2 amps (like we do very often here at AR), A/B test them without having to make long pauses for switching the amps off, disconnecting speaker wires from one amp and connecting them to the other amp. One is wired to the speaker. One cable is for the bass, and the other one is for the tweeter. The resistance value of the resistor depends on your amp’s recommended speaker impedance. Most amplifiers can cope with a load of two speakers. Yes, and you’d need a much simpler switch for that. there are some vintage equipment that can do this. And you’d have to use plugs that fit in sockets only in one position. In this case, you would probably have one amplifier for the tweeter and midrange speakers and one amplifier for the woofer/subwoofer. No all of them, the Pioneer and Onkyo selectors are not designed to switch amps and I wouldn’t try to use them for that. To use Dual Audio, pair the phone with two speakers, two headphones, or one of each, and audio will stream to both. Plug one end of the second unshielded speaker cable into the power amp channel two speaker output, and the other end into the woofer. Whatever switch you use, make sure it is a “break before make” switch, meaning that it completely disconnects one amplifier before connecting the other. The reason why one of the cabs has 2 jacks is because the 2, 1x12's used to be 1 2x12's ;-) The box on the back of the original 2 x 12 cab had 2 jacks to select between stereo and mono. If you only use it a few times a year – sure, it’s much easier to build. Related: How To Hook up/Install An Amp Without RCA Jacks. BTW, resistors should not degrade signal quality (unless they’re poor quality themselves), they should simply make the signal weaker, quieter. a speaker switch and modify it? So, again, is it safe to connect two amps to one set of speakers? That is, two speakers is double the load of one speaker. You should NEVER open up any electronic equipment to try to diagnose or fix it or for any other reason. So, your solution is basically a simple patch panel. solution in my case. Very happy with the result. 2. If using a combo, ensure the speaker lead is connected to its socket on the back panel. https://www.amazon.com/Stereo-Speaker-Selector-Switcher-Combiner/dp/B0184M4TVQ My email is in the ‘Contact Us’ tab. To accommodate subwoofer I would have to know what kind of subwoofer you’re using and how it is connected to each of your amps. https://cutt.ly/8dKsTDL. So the the same switch box as you describe function for this set-up? I have just rammed the speaker wire from each amp into the speakers and am getting a perfectly acceptable result. https://www.amazon.com/Switch-Stereo-Receiver-Speaker-Selector/dp/B00YNUICRQ/ref=sr_1_fkmr1_2?s=electronics&ie=UTF8&qid=1538688845&sr=1-2-fkmr1&keywords=ab+stereo+speaker+selector, This one seems a bit different https://www.monoprice.com/product?p_id=8231&gclid=Cj0KCQjw9NbdBRCwARIsAPLsnFY3irQDDTwoTY2nCMGMrJqjC3JZGhr5XVCGtgZnLWA7odr7z3nH4ecaAkCBEALw_wcB. Can i use two speaker in one terminal out of amp? After 2 years of very heavy use, our switchbox broke. By mentioning contacts I wasn’t referring to the screw terminals on the switch to witch the wires ), use recordings you know very well and fairly neutral-sounding speakers, you can compare amps without a switchbox (with breaks needed to change connections) and still catch most differences between amps – as long as they are not very similar. As far as power rating goes – higher is better, best to match or exceed your amp’s rated power per channel, definitely do not use anything below 10W. Any thoughts? You got the connections and internal wiring right, that’s exactly how it should be connected. That is, is there sufficient If you run the cab in stereo, you need 2 heads and each jack on the cab will need one cable to one of the heads and be plugged into the 8 ohm jack on the amp, with the switch set to 8 ohms. – do you think this would be safe, If you have a solid state amp – no problem. Many years ago my late dad connected a Klipsch Heresy speaker to two Klipschorns for a center speaker. under the rack to switch the speaker cables. When using an active crossover in a high end audiophile stereo system, there are many different considerations: At this level of equipment and listening, most people consider it wise, or even necessary, to seek the advice of a professional audiophile dealer to select and set up their amplifiers, crossover, and speakers – as well as the rest of their high-end audio gear. If I wanted to use the selector with a Class A Tube amp and a solid state home theatre amp, would you recommend adding a resistance to any of the plugs? I used one of these switches for a turntable in my decent (but not hi end) system without any problems or audible signal loss. Switch between Receivers, speakers, Aux, and phono. Also, putting an attenuator (volume control) in line is a good way to degrade the sound, so I would not do that. The speaker cables are then plugged in to each Make sure all of the equipment is turned on, and that the volume controls are turned up at least a little. Tried that too, but it’s inconvenient if you switch often (I do). It’s the more expensive one because of banana plug-ready connectors; if you use spring-type connectors, it becomes very cheap. Two for the left, and two … with holes for the jacks. We cut the missing wall from plywood and made holes for binding posts. This is crucial to achieve perfect precision with 4, 6, and 8 or more sub woofers. I decided to go with a simpler but less convenient solution. If you link your Samsung with two sets of headphones, only the first connected device can manage playback using on-headphone media controls. Almost any speaker, that together, but thats if one sub diagram, with 4 speakers and split it up with a fun and relationships and tearing. Thanks for any help! A tube amp just arrived and I’m looking forward to hooking it all up. That’s because you have two different responses partnering up to create one huge stack of tone. Buying parts could be cheaper depending on the prices in your area, conversion of that speaker switchbox might involve a bit less work or not, depending on its internal wiring and how easy or difficult fitting a 4PDT switch would be. Try asking the seller, maybe you’ll get a clear answer. For our example we will reference the Yamaha RX-A3080 Home Theater Receiver, a superb high-end Audio Video receiver with lots of power, great sound, and all of the flexibility and controls anybody could ever need, but the same instructions will work for any AV receiver or preamplifier. And better pull out one amp’s wires from the speakers before it’s too late. For turntables, I strongly recommend a passive switch (active switches are likely to add hum/noise that would be amplified by the phono stage, resulting in a very high noise level). There are much cheaper alternatives (both spring-type and banana plug ready) and if you use those, the total cost will be closer to $10. Thank you so much for the knowledge you’ve already imparted. You can select only one position at the same time. However needs must and reading your excellent article realised that the simple switch/wiring ie. I should also mention that this involves only one break in the cables from the But the amps I have are 2 channel and each amp has an input and output for left and right channels. An active crossover is a device which will separate the music signal’s high frequencies from the low frequencies, sending the high frequencies to one amplifier which powers the high frequency speaker drivers (like the tweeter and midrange) and the low frequencies to a second amp to power the woofer or subwoofer. That is also important. Make sure they are in the right place and are really securely connected. This is normally not used by most people, however, it does have some benefits as well as drawbacks. I’m definitely going to try this build for A/B testing amps. Before trying to hook up your subwoofer, you need to identify the connections it has. I’m not aware of any single device that would do all that. By the end you should be using one source, divided to two amps, to power four speakers. Some older amps have different speaker outputs for a different impedance, so plug into the one that matches your speaker cabinet. As a result, we had a nice box without one wall and with a round opening in the opposite wall. I have a very similar thing, except it's two 2x12 cabs and I added a multi-input jack (like the one you can get through Avatar) in each cab allowing me to use each speaker independently at 8 ohm (speakers are EV 12L at 200 watts, so they can handle nearly anything). Sony SB-5335, Pioneer U-24 Onkyo u30 I guess what I am asking is if one were to do an A/B test on amplifiers with the same source and speakers, using your switch would still require the tester to manually switch interconnects (linking source to amp), right? What Gaming Headset does Shroud use in 2021? Unfortunately there are no simple, sturdy and cheap mechanical toggle switches (that I can find) that would allow to switch a total of 8 separate signal lines (and that’s how many you get with 4 speakers), which is why you need a separate switch for each pair of speakers. We use one source connected to both amplifiers at the same time via Y splitters. If it has a different connection method, I’d have to know the details. Hope this one does: Buying the speaker switchbox you mention might be an option but: – that speaker switchbox costs almost exactly the amount we paid for all parts (including the enclosure) of the switchbox in our article, since then we’ve built another switchbox that was 30% cheaper because we’ve found cheaper sockets; of course that depends on the cost of parts in your area but you would still have to buy some parts you will need to make the conversion: at least a 4PDT switch and probably some wires; – you would still have a lot of work to do, you would have to replace the two switches that are there now with the switch we recommend (a 4PDT switch), and fitting a 4PDT switch in an opening left after one of those flat cradle switches might be difficult and it might turn out that you can’t fit a 4PDT switch with screws for wires (it’s quite large and might not fit in this enclosure) and have to use a smaller switch that you have to solder wires to – soldering 12 wires is more tedious; – you will probably still have to rewire the speaker wire connectors: this switchbox probably has common ground (they usually do) which is OK if you switch between speakers, but should be avoided if you want to switch between amps; – you would still end up with a switchbox that has poor quality wire connectors (these spring-type connectors in the back – we do not recommend them, they are a problem if you use a wire that’s too thick or too thin for them and they break more easily than even the cheapest screw-type connectors). This can help you avoid unexpected loud pops and noise and even possible damage to your equipment. Check all of the cables – between the amplifiers and the speakers, between the amplifiers and the stereo or home theater system, between the source equipment and the stereo or home theater system. 3 speakers one 2 channel amp. – would you recommend it, Which is exactly what we did here at AR. Music has been my life. Mind the channels and polarization. Also, what size fuse is up there under the hood, on that cable going to the trunk. Any other type of switch is likely to cause damage to your equipment. It’s not ideal because splitters may slightly affect sound, but even if they do, they affect it the same way for both amps. At least it shouldn’t do any more harm than an average quality cable would. Thanks a lot for taking the time to answer my query. But even if he confirms that ground is also switched, I would still test it before using. I understand that in the case of the surround receiver speakers are connected to front and rear outputs, and not to front A and front B outputs (that would be a very different connection and actually similar to using a regular stereo amp). That means that even if you ALWAYS use both speakers A and B, they cannot be connected to the switch in parallel, because only the stereo receiver uses a parallel connection. With this setup you will have one amplifier manage the woofer of your sound system and the other amplifier manage the mid and tweeter range. You use either speakers A or speakers B (but never both at the same time) with each receiver Dems press forward with plans to remove Trump. I think I would try to do something very old-school instead, a manual solution. I’m afraid the first 4 options would not work One reason is that it’s quite likely they all have common ground. No load is a problem for many, but not all tube amps, so try to check which group your amp belongs to. 1. Then take the stereo output of each of the amps and split it up, one part of the stereo signal from each amp to it's own individual speaker. Amp A, Amp B and Amp C There are many reasons you might want to connect two amplifiers to your stereo or home theater system. Great article! This one can allow to select both speakers and have common ground if ALL your amps can handle that. The first switch selects the amp (A or B), from which you take the audio signal, and passes that signal to the second switch, which selects the speakers (A or B). Here’s another similar but much more complex problem. Is this what you meant by “splitter”? But if you notice that it starts getting loose when you flip it, or doesn’t always make a good connection, it’s best to replace the 4PDT switch at once. For this case, you want to put your speakers in series, so the total impedance of the speakers will be 8+8=16 ohms, matching the amplifier. One switch switches speakers A, the other switches speakers B. On top of that, it has impedance matching (also bad, unless your amp can’t handle a 4 ohm load and you have to use that. One channel hooked up to the speaker and one channel not connected. I looked at the photos of the inside and Dynavox AMP-S looks good, it has a different type of switch inside, but according to product description it does switch ground as well. The row in the middle is for speakers. Hi Harry, I used the video socket to connect (and switch) turntable ground. Both channels to 1 speaker (APW says its a no no) 2. You should always turn your receiver or preamplifier on first, and only then turn your power amplifier on. Let me know if you have any more questions and good luck! If the speaker isn't Dual Voice Coil(DVC) then do not hook two amps up to it.If it is DVC the hook one amp to one side of sub and hook up the other amp to the other side. It’s price is quite reasonable but I don’t know what it has inside What do you think it’s worth to buy? That would also require serious skills, but seems easier to design and implement. AV RCA Switch Selectors can have resistors inside, which degrade signal quality. But you can build a single switchbox with two toggle switches. I wrote it in response to an earlier question, so let me quote myself: If you want to use this switchbox with a tube amp, it is quite likely that your amp should not work unloaded (with no speakers connected to it. Separate switching of L and R channels is less convenient (you need to flip 2 switches instead of one), but works just as well. In short: yes, converting that speaker switchbox should be doable, but it might not be easier or cheaper than building a switchbox from scratch. Also, one of your amps is a stereo receiver (the same signal goes to speakers A and B) and the other amp is a surround receiver (different signal goes to speakers A, different to speakers B). But bear in mind that the more switches you add to the signal patch, the more sound quality you will lose. I should have been more clear. The left Y-Splitter should be connected to both the left inputs of Amp A and Amp B. An enclosure seven Run speaker wire from two amplifiers to one set of speakers at the same time without using the correct amplifier switching box –. You should get a very high quality crossover which matches well with the system, the speakers and your own tastes. The right Y-Splitter should be connected the both the right inputs of Amp A and Amp B, is that correct? Assuming you use RCA connectors, search for “AV switch”. 1-1.5 m of speaker wire to connect binding posts to the switch (6 short sections) If you connect the speakers in series, you're adding the speaker impedances together. Thank-you very much Rafal. https://www.amazon.com/Stereo-Speaker-Selector-Switcher-Combiner/dp/B00CZNXKRA – I feel like this one might be the closest device to yours. I want to run my old Marantz and Phillips turn table thru the same speakers as The Denon powers the CD player, tape deck and dvd player. It wasn’t easy to catch it safely with these smallish screws, but doable. rob dyrdek dating chanel dudley. Nice information, I had experienced the difference. Another problem is that many speaker switches have protection and/or impedance matching circuits, and those could also affect sound quality, so you do not want that. Also, depending on the enclosure you use, you might need tools to make walls, drill holes etc. So thanks again for your very informative article . Switch 3: 1 input, 2 outputs (this one can be ready made if all your amps can handle common ground and more than one set of speakers connected at the same time). I think there is a good chance that the ground is switched in this one, but I can’t be sure without testing it. Remember that my switches can work both ways, this means that they can have either 2 inputs and 1 output or 1 input and 2 outputs. You could run two zones also. he had old school tube amps. I just purchased the Yamaha unit for better quality music listening. It is not for music. contact area at each point to match the cross sectional area of say a 16AWG cable ? OK, my question is pretty simple but I want to make sure. That covers amps and stereo speakers. An amp that is rated at 1000w RMS (Root Mean Square, or the average watt the speaker is intended to receive and play with) set for 1 ohm can power two … And if you do that, it’s exactly like directly connecting two amps to one set of speakers – if both amps are on, at least one of them will get fried. According to the manual (second page) you can hook up a 4 ohm amp to the left jack in mono mode (or a 16 ohm amp to the right in mono mode). What Gaming Headset does PewDiePie use in 2021? I have many receivers, CD players, tape decks, turntables, speakers etc… Need to be able to switch between them. Common ground between channels is not a problem with turntables, and you can use the 3rd RCA socket to connect and switch the grounding wire. Now run speaker wires from each amplifier to its corresponding speakers, making sure, when appropriate, to connect the left speaker to the amp’s left speaker output and the right speaker to the right speaker output. This makes it possible to keep a regular stereo pair of speakers connected while the amp is bridged and connected to a woofer or other speaker. Good luck! Once you do so, you will have a connection that resembles a branch emerging from a stem. Now that is a challenge. I have a computer generating music supplying a mixer to broadcast to hospitals. Yes, the contact points of the 4PDT toggle switch we used in our switch box can accomodate a 16AWG cable. I’ve never seen this before. This question gets asked a lot. In stereo mode, each amp uses 2 speakers in the cab. What do you think? Mark.Yudkin Distinguished Member. He ran a line from the + from the left and a line from the - from the right to the center speaker. Here are the steps: Step 1: Sep up your one-output-RCA-jack amps as usual Step 2: Set up the amps to be connected and empty their input and output jacks Step 3: Connect the Y splitter to the RCA jack. If any of your amps can’t handle that, use the safe switch (like mine). The big question is whether it switches ground as well (like our switch) or has common ground (bad). There are three problems with the majority of speaker switching boxes. You can switch between speakers and/or amplifiers. This is my how-to video for hooking up a guitar amp to a 1960A Marshall Lead 4x12 speaker cabinet with the MONO/STEREO selector switch. I just want to know the best way to hook up a single speaker to a 2 channel amplifier so as not to damage the amplifier. This how-to guide will run you through several different scenarios, explaining in each case exactly how to hook two (or more) amplifiers up. Then we fitted the rear wall with binding posts. The way that you wire your head unit to your amp will depend on the outputs on your head unit. How to Bi-Wire Your Speakers. But most importantly, most (actually almost all) of these switches allow to select more than one set of speakers at the same time – which becomes selecting more than one input amp when you use the switch in reverse. So I’m wondering if with all these connection points there is sufficient contact area at each position
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