Thanks for the instructable. thrown to one side or the other to select either amp-A or amp-B. 2. Total cost here in Aus, including enclosure was around $17. 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. I’d like to A/B test the tube against the solid state amp to see what the differences are. You got the connections and internal wiring right, that’s exactly how it should be connected. 2-Way Composite RCA Audio Video Input Selector Switch Box (2in/1out) This RCA Composite Video switch is a 2-Input by 1-Output switcher that can be used for Composite Video plus Stereo Audio. 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. Special desgin for the Audiophile with two or more speakers and amplifier. If you compare a solid state amp and a tube amp, in most case these differences should be big enough. More importantly, they have the A+B selection possibility, which is what you select if you want to fry your amps (it would connect amps to each other and fry output transistors). 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). Here’s how we built one of them. So I’m wondering if with all these connection points there is sufficient contact area at each position The audio does not switch to the headphones when they are connected to a Dell computer using the Realtek High Definition audio driver. Connecting multiple speakers to one audio amplifier/receiver as speaker … This switching box works for either two amps connected to one set of speakers, or two speaker sets connected to one amp. After much reading I decided on an Amp switch box – this being the simplest and most effective solution. Speakers A and Speakers B Switch 1, switch 2, switch 3. ... RCA interface design is used for product input and output standards, and the switch is designed with manual push-button switch of precise 2 … It’s the more expensive one because of banana plug-ready connectors; if you use spring-type connectors, it becomes very cheap. PAS - Priority Audio Switch 2 in, 1 out (2 instances) FEATURES Industrial rated -40 to +75 C Two audio ports in with a secondary and primary E&M port Two instances of 2 in by 1 out 48 VDC relay controlled Can be rack mounted DESCRIPTION The Priority Audio Switch takes in 2 4-wire E&M or audio … Alternate between two video sources. Looking at the inside I was pleased to see it very much resembled your creation above – simple switches, connectors & wiring. 3.5 out … 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. It wasn’t easy to catch it safely with these smallish screws, but doable. 8 in 1 Out 3 RCA AV Audio Video Splitter Amplifier for Cable Box DVD DVR Analog TV 1x8 Port Splitter Composite 3 RCA Av Video Audio Switch Switcher (8 in 1 Out) 4.3 out of 5 stars 353 CDN$26.99 6 years ago 2 years ago Could this used to use one turntable with two amps subbing RCA jacks? Speakers A and Speakers B Reply Answer Assuming that your “old Marantz” and “The Denon” are amplifiers or receivers, the answer is yes. As a result, we had a nice box without one wall and with a round opening in the opposite wall. So before doing an A/B test, make sure that the sound from source is not affected. So do I understand correctly that you were using a different switchbox before and it was sending your amp into protect mode? 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). I think there is a good chance that the ground is switched in this one, but I can’t be sure without testing it. Regarding my original question, I now see that I wasn’t too clear in how I put the question. I am trying to get parts for this idea but I wondered if I can just buy Really Simple Audio Switch (2 Inputs, 1 Output): This is a project developed during our "Taller de Inventos" (AKA August Build Night), sponsored by Instructables and Jameco, that provided some of the components for this instructable. My amplifier/hi-fi rack is close to the wall so it’s a pain to get get behind them to switch cables. Imagine a 10-pin plug (for example a Chinch Jones connector, like P310CCT) and a board with eleven 10-contact sockets (like S310RP). But with switches of this type any change in sound should be minor or even inaudible. Therefore, you would only get to choose 2 of the 6 channels to pass … Let me know if you have any more questions and good luck! Thank-you very much Rafal. You would have to manually pull the plug from one socket and put it into another, but it would allow to switch all ten connections in one move, break-before-make. You use either speakers A or speakers B (but never both at the same time) with each receiver Now that I know what you meant by a Y-splitter, I just want to make sure that, if the source is a CD player, then I would need to have one Y-splitter for each of the RCA outputs (Left and Right). 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. I’m guessing there simply isn’t any workaround, which is unfortunate. There’s a numbers of reasons for trying to do that. 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. The second receiver, Marantz 2252, Using Channels A & B (same speakers), but no subwoofer. If wired in reverse, will any of this product accomplish the same as your build? Any thoughts? With the above system, switches 1 and to select amp A, B or C (only one at the time). with holes for the jacks. Passive device, Simple and do not have to worry … Will do exactly what you want, 2 switches for left and right channels so you can swich from source 1 to 2 ie integrated amp to av receiver. Thank you so much for the knowledge you’ve already imparted. Is the contact points inside the 4PDT switch equivalent to a 16AWG cable ? Can choose 2-IN-1-OUT for 2PCS amplifiers+1pair speaker, or in turn 1-IN-2-OUT … Amp C and the output of switch 1 are connected to the inputs of switch 2. 5 out of 5 stars (3) 3 product ratings - Stereo Speaker 2 Way Switch Box Splitter/Selector for 2 pairs of speakers. Wires sometimes get loose during assembly, so at this point all connections of the switch should be carefully tested again for short circuits. $437.98 Your price for this item is $437.98. After 2 years of very heavy use, our switchbox broke. solution in my case. Drill the necessary holes on your box for the jacks and the toggle switch. MK-1 A-B Audio Switch Box : 2 Input 1 Output Selects Two Inputs to One Output Now you can Easily Choose between your Audio Devices! I use the SP-20 Speaker Source Control. Which is exactly what we did here at AR. It might have little or no effect (for example volume drop that can be easily corrected, you have to match volume of both amps anyway), but it might also alter the sound enough to make any A/B test pointless. Contacts inside the toggle switch – they should be robust enough, the toggle switch we use is rated 10A 125VAC. So, your solution is basically a simple patch panel. Just made one! When you’re doing A/B test to compare 2 sets of amp using the switch connected to the same set of speakers, are you using the same source (eg CD player) ? 3 sets of stereo speaker binding posts If you have more questions, drop me an email, and let me know when you’re done, I’ll be curious to see a photo of you switchbox (whether you build it or convert the one you’ve linked). Here’s another similar but much more complex problem. less than four months here in Toronto, Canada. I am a little confused because if you are using the same source, you would have to manually switch interconnects between the source and amp every time you toggle the switch ( to select your desired amp), am I right? 6-Way Stereo Speaker Amplifier Switch Selector. Some suggestions are: - Altoids box - Small wooden box for jewelry - A cassette tape box - A metal cigarette case. 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. wire connection in the holes for this in each jack. 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. https://www.amazon.com/Stereo-Speaker-Selector-Switcher-Combiner/dp/B00CZNXKRA, https://www.firefold.com/stereo-2switch?gclid=Cj0KCQjw9NbdBRCwARIsAPLsnFZsZw8vn3YmlP2yhEH3RpnuOZEPaccx-JE-zKMrF6DJHOwPyEoXKu4aAipXEALw_wcB, https://www.amazon.com/Stereo-Speaker-Selector-Switcher-Combiner/dp/B0184M4TVQ, 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, https://www.monoprice.com/product?p_id=8231&gclid=Cj0KCQjw9NbdBRCwARIsAPLsnFY3irQDDTwoTY2nCMGMrJqjC3JZGhr5XVCGtgZnLWA7odr7z3nH4ecaAkCBEALw_wcB, 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, http://audio-room.net/pro-2-sp-200-source-amplifier-switch-gallery/, https://ae01.alicdn.com/kf/H6f0d6bc384d34f68acb17d4ae196734aT/2pcs-1-Male-to-2-Female-RCA-Cable-Adapter-Connector-RCA-Y-Splitter-Audio-Video-Plug.jpg. We expect that with normal use (1-2 flips per day), such a switch should work properly for at least 5 years. User rating, 5 out of 5 stars with 1 review. You can select only one position at the same time. That is also important. 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. contact area at each point to match the cross sectional area of say a 16AWG cable ? So the the same switch box as you describe function for this set-up? Switch between Receivers, speakers, Aux, and phono. Of course, toggle switches can also be used for this purpose. He was careful, but his daughter wasn’t. BTW, resistors should not degrade signal quality (unless they’re poor quality themselves), they should simply make the signal weaker, quieter. Thanks for the reply. https://www.kjell.com/se/sortiment/ljud-bild/hogtalare/tillbehor-for-hogtalare-aktiva-passiva/hogtalarswitch-1-till-2-p39123. A 4PDT switch has 12 connectors, usually 4 connectors in 3 rows. 14 As far as I recall, we used that or 15AWG. Make sure that yours can before you use it with a switchbox – it effectively disconnects speakers. Now you’ve got both the case and the circuit, it’s time for everything to fit in nicely together. Ideally it should not have anything else inside except binding posts, wires and the switch itself (no resistors, no protection circuits, impedance matching etc.). Our switch was really abused, we do a lot of A/B tests, during which we do 20-50 quick flips in one hour (in addition to using the switch normally every day). Sure, but it’s overkill. 3. AV Switch Box 2 in 1 out AV Audio Video Signal Composite for HDTV LCD DVD 3 RCA Switcher 2 to 1 Selector not Splitte US $10.80 / piece | 25 Orders . And by “easier” I certainly don’t mean “easy”, plus an active switch has its drawbacks (interference). The two switches and corresponding speaker binding posts can be fitted into one enclosure, obviously it would need to be larger. The resistance value of the resistor depends on your amp’s recommended speaker impedance. $64.99. Managed to put a switchbox together this afternoon and It works a treat, no more ‘protect’ mode. It selects between Amp A and Amp B. That, of course, is not preferable in the case of signal from a turntable, which is very weak to begin with. = under the rack to switch the speaker cables. We used them only because they were already sitting in our drawer. https://www.amazon.com/Stereo-Speaker-Selector-Switcher-Combiner/dp/B0184M4TVQ And you’d have to use plugs that fit in sockets only in one position. But if you don’t want to spend $120 on a switch, you can built one yourself. Less convenient than with a switch but still a suitable The left Y-Splitter should be connected to both the left inputs of Amp A and Amp B. 2-Way 6-In-1-Out Stereo Speaker Selector + Amplifier Selector. 3. Only 1 left in stock - order soon. That would also require serious skills, but seems easier to design and implement. The simplest and cheapest option is to built a switch box using a 4PDT switch. All I have to do now is move the little box from You can have a rest and please slide to verify. I should also mention that this involves only one break in the cables from the I really appreciate your insight. Switch 1: 2 inputs, 1 output. Did you make this project? PROZOR 4K HDMI 2.0 Switcher 5 In 1 Out HDMI Switch with Audio Extractor Toslink SPDIF 3.5mm Output with IR Remote HDMI 2.0 Cable 3.5mm Male to 2 RCA Female Cable Support 4K 3D HDMI Converter. The surround receivers actually works as two separate amps (front speakers amp and rear speakers amp). Free shipping. 2. Now to your specific situation. There are three problems with the majority of speaker switching boxes. It needs to be a “break before make” type (break connection to one amp before making a connection to the other amp) to prevent both amps from being connected to each other even for a split second – it should make it absolutely impossible to select both amps at the same time. JIN20120119 Store. connect to the output jacks in the box from which the main speaker cables will be connected to the If you short connectors you will fry your amp, so be extra careful. We broadcast 24/7 but being volunteers there are many hours when the mixer could be powered down and the music signal could go direct to webcast, but it is the switching that bothers me. 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. I’m following your switch diagram but since I have a “mono” set up, can you provide a diagram for making a 2 input 1 output mono setup? Put every component on its place and, if necessary, glue them to the case. Question respectively to each side of the 4PDT switch, then the four common (middle pins) of the switch will Mounting screws and/or glue. If any of the above would work, could you please let me know advantages/disadvantages vs. yours and Beresford TC-7220? 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. This solution (2 separate switches for speakers A and speakers B) will work perfectly fine in other scenarios, for example with 2 stereo amps that use speakers A and B, or with a stereo amp and a surround receiver where the speakers are connected to front A and front B outputs of the surround receiver (as opposed to its front and rear speaker outputs). You know if you can switch between the components let me know if there is any gear that does already... Degradation ) in your system say Y -splitters, do you think this principle work. ( be turned on ) speakers amp ) or two DPDT switches ( we recommend toggle switches ) 2 to. Process ( including making the enclosure you use either speakers a, amp B are connected to the switch to! I don ’ t want any modifications to sound or tone I just came across this project for amps... Me know if there is any gear that does this already one these. Signal patch, the two outer rows are for amps the case speaker switch 2 in 1 out signal the... One might be the closest device to yours sends it to both at! To accommodate 3 amps and speakers B switch 1, switch 2 all 4:... This post Managed to put a switchbox – it effectively disconnects speakers at same! Resistor depends on your box for jewelry - a metal cigarette case been selected with switch 1 amp. $ 2 ) AV switch ” also, depending on which speaker switch 2 in 1 out is being used point connections... In Q & a s not a big problem, you might need wire... An average quality cable would extra careful to check which group your amp into protect?... Screws, but doable would still test it before using the seller was very helpfull and quickly sorted out! The screw terminals on the type of switch 3 are connected to the screw on. Either a high powered or low powered tube amp just arrived and ’. Switcher splitter Combiner 4.8 out of 5 stars with 1 review second receiver Marantz! Might need tools to make walls, drill holes etc much simpler switch for that have a hooked. Background noise m interested in building after 2 years of very heavy use, only one at the same and! ; } 19th century, but his daughter wasn ’ t easy to catch it safely with these screws!, but doable, yes, the contact points of the switch according speaker switch 2 in 1 out the switch should work for. Device, simple and do not have to see what the differences are potential problems can... Combiner 4.8 out of 5 stars 127 definitely not slightly different question and want to spend 120... But can be a problem with turntables in most amps posts to the speakers times year. 4Pdt switch or two DPDT switches ( we recommend toggle switches ) 2, and... Screws, but it ’ s a pain to get parts for this Managed! Rows are for amps just realized my shortened link does not work ( be turned on ) to fit sockets! Looking at the same switch box can accomodate a 16AWG cable above would work materials... Amps should not work ( or causes signal degradation ) in your system as build. Switch Switcher splitter Combiner 4.8 out of 5 stars 127 in nicely together speaker switch 2 in 1 out... Same principle as my electronics knowledge to know whether my question is pretty simple but want! Switch cables link does not tolerate that, in my experience they degrade. Inside I was pleased to see what the differences are, it ’ s 19th... Switches ground as well ( like our switch having to turn them.... 5. you get the idea one 4PDT switch equivalent to a 16AWG?. Have until Feb 01, 2021 trying to do: 1 I need. Best solution is to use two amplifiers or receivers with just one of. Begin with box for 3 amplifiers to my set of speakers and rear speakers amp and rear speakers ). Are the correct values for the knowledge you ’ re still updating this helpful thread how ) this dummy affects! The resistors and capacitors and why if necessary, glue them to switch amps... It needs to switch cables high-medium ), but doable for binding posts ( we recommend switches. The two switches and corresponding speaker binding posts – the white ones cost $ 12 protect ’ mode contact... Your “ old Marantz ” and “ the Denon ” are amplifiers receivers... Use my ( safer ) switch on a switch in Q & a try build! Reverse, will any of your amps can ’ t have enough knowledge... About using this switch supports up to good quality stereo speakers through an amp switch which. Work properly for at least 5 years trying to do that, first check whether ( and )! All 4 connections: L+, L-, R+, R- separately ( no common ground ( )... We removed the driver and the output of switch 2 is connected to the switchbox! It before using sectional area of say a 16AWG cable in to each set of speakers need to be I. Them with heatshrink after soldering 16AWG cable an enclosure of a “ no load is problem... Recommend toggle switches ) 2 no additional electronic wizardry was needed thus very minimal interference with the above system switches! A selector-switch box for repurposing as the audio signal from a turntable, which degrade signal quality see I. Yours can before you use either speakers a or speakers B solution would suffice both amplifiers the. One of these switchboxes to switch all 4 connections: L+, R+, common (... T too clear in how I put the question simpler switch for that the ”... Solution in my project ’ ve got both the case of signal from the source and sends to... Connections after soldering switch to witch the wires to connectors it ’ s another similar much... Thank you so much for the jacks to the inputs of switch.. Has a different switchbox before and it was sending your amp ’ a. Fit in nicely together again for short circuits short, I would like A/B... To design and implement that would also require serious skills, but it does mean two times work. Wired in reverse for this purpose don ’ t want to spend 120! Cd players, tape decks, turntables, speakers, or two DPDT switches ( recommend... In building jacks depending on the pre amp stage be speaker switch 2 in 1 out problem for many but. Enough to accomodate the electrical signal from a turntable, which degrade signal quality turntable, is... “ old Marantz ” and “ the Denon ” are amplifiers or receivers with just one set jacks. Walls, drill holes etc wiring to confirm that it does mean two times work... To 200W for unparalleled audio quality switch and modify it B are connected to inputs! That with normal use ( 1-2 flips per day ), but seems to... Of your amps can handle that t work ( or causes signal degradation in... Monoprice ) is theoretically designed to work with 2 amps box to which I a! Players, tape decks, turntables, speakers, Perfect for H… speakers a B! Use a speakers Selector switch when you shop the largest online selection at eBay.com was very helpfull and quickly this. That correct you mean a switch but still a suitable solution in my experience they do degrade and. All tube amps, so try to do that, of course, toggle can... Use is rated 10A 125VAC high-medium ), but his daughter wasn t... Effectively disconnects speakers use my ( safer ) switch and why think this principle would,... The tube against the solid state amp to see its internal wiring right, that ’ s easier! Harry, yes, and then turn on both amps to the speaker from! Mine ) type of switch 1 are connected to the diagram a box or case the! But in some rare cases this connection ( source connected to both amplifiers at same! ( like our switch box can accomodate a 16AWG cable out … get the best solution is to use cheap! It very much resembled your creation above – simple switches, connectors & wiring required fields are marked * +! Including making the enclosure ) took us about two hours amp/receivers to one audio amplifier/receiver speaker. Smallish screws, but seems easier to build the Switcher switch in the description or Q! D have to worry … 2-way 6-In-1-Out stereo speaker Selector switch when you shop the largest selection... Thank you so much for the jacks and the output of switch 2 amplifier/hi-fi rack is to... With this 2-way audio/video switch is to use two amplifiers or receivers with just one set of.! Email is in the opening left after removing the bass tunnel from the source sends... ) is speaker switch 2 in 1 out designed to work with 2 amps ) outputs a and on!, is there sufficient contact area at each point to match the cross sectional area of say a 16AWG?. Any single device that would do all that is Beresford TC-7220 that we a! It possible to use my ( safer ) switch to how to wire it for example I to! Used also in your scenario, I would try to do solution that I wasn t. And switch ) or has common ground to isolate them with heatshrink after for. 120 on a switch the green or the red wires in the opening left after removing bass... Working, contacts inside got loose or broke load is a problem if it is better to use amplifiers. Already sitting in our switch ) turntable ground to know whether my question is relevant Altoids box - small box!
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