Some modern boutique amps do not have an input #2 to save room and keep things simple. Ol’ #2 is good for players using a multi-effects board that has a hot signal coming from it as well. A 4-channel amp should be used for mids and highs. Bi-wiring high-end speakers will drastically improve their audio performance. On some amps you can, on others you can't. When you get sick of the looseness, go for the 2nd input. I thought it would be interesting for some readers. Many players use two amps for stereo techniques that require multiple loudspeakers. × It just isn't. You can post now and register later. It doesn't hurt anything to try. Good allowance savings plan? It has four inputs because it is a 4-channel amp. (I am in every other Saturday). There will be more headroom for the high output. Display as a link instead, × Fast forward about 45 years and there is the basically dormant input #2 which brings me back to the original question…..what is it good for? The signal is traveling out of your amp to some other destination, such as a PA system or recording gear. Note: Your post will require moderator approval before it will be visible. Assuming that the stereo has only a pair of RCA outputs and you require to feed 2 amplifiers, the basic procedure would be to split the RCA pair.This could be acieved with the use of a 1 male to double female RCA adapter as shown below. 4 days ago. The two inputs were supposed to accomodate two players believe it or not! The jcm800 (and some soldanos and the 5150) use a bypassed tube stage input, which is ALWAYS out of phase with the other input, and using both at the same time makes it sound like {censored}. In some amps, the 1 & 2 inputs are simply lo/hi input level running through the same pre-amp circuit varied only by resistance to ground. May 17, 2020 #8 OBW0549 said: As I recall, MOSFETs were not compatible with those fab processes. Even then it doesn't sound great, but better than any pedal I've tried with these amps - and I have a closet full of pedals. dl324. Many jazz players like input #2 for the same reason: more headroom which translates into a bit of a cleaner sound. I feel like an idiot asking this question but a friend of mine has an old Marshall JTM-45 amp with 4 inputs on it.   Your previous content has been restored. Sensitivity: 2 ways to do it. Upload or insert images from URL. It is only because the sub HAS those 2 inputs that a Y-adapter CAN happen to be used. Re: Why do op-amps want their inputs to be the same? © 1995-2019 Harmony Central, Inc. All rights reserved. If you have an account, sign in now to post with your account. Clear editor. Of course I'll have to tell my receiver that I'm bi-amping and it'll make some changes. Tube amps are classic, and while they vary considerably in tone, they do share some remarkable sonic characteristics. These have two 6. By 5mm cable splitter. My old Music Man has it's more complicated set on the right with Master Volume, gain, reverb, etc. As a matter of fact most vintage amps and vintage style amps have two inputs. A true amp is meant to be used with a pre-amp. That amp is only rated for 100 x 2 @ 4-ohms. danuniversal, April 17, 2008 in Amps. 2. Two RCA inputs can also be used to sum the L/R stereo outputs in a 2.1application where the customer only wants to use one subwoofer. Is it a tube amp, solid state, or some hybrid of the two. To confuse guitar players who can't make up their mind. my tre's got a low gain and a high gain input. . So I used to A/B switch between my chorus pedal going into input 1 and my distortion pedal going into input 2. There are some exceptions, but there's a reason a lot of players use a Fender amp for their clean tones and a Marshall when they need to bring the thunder. Yeah but the amp has to have 2 active inputs and there are few amps that have 2 active inputs You need a 6. I have seen that most amps have two inputs. could someone explain the purpose of the dual power and grounds to me please? then you have some older amps. Adding a Y splitter doubles the drive voltage at the line level inputs. Switch 1: 2 inputs, 1 output. Many of the "acoustic" amps have an XLR input for one of the channels so you can use it for guitar and vocal. This Question of the Day comes from Vlad in Minnesota. . Why do you think that Voxes and Marshalls from teh 60s had four inputs? That reason is NOT so that a Y-adapter can be used to connect the sub. There are some tub combo amps that have so much headroom that you're unlikely to send them into overdrive, but for the most part, tube amps are geared to break up. “Absolutely nothin’, sing it again……uh“! The two inputs were supposed to accomodate two players believe it or not! Joined Mar 30, 2015 12,106. Also as hasserl points out, not all amps are designed this way. back in the old days not everyone could afford an amp, so they encouraged everyone to just plug into the same amp. Was just reading through posts and didn't understand a few amp references so I've got to ask, why do a lot of amps have the one set of controls and inputs plus another set in the same amp? This particular amp has two inputs marked with the numbers 1 and 2. Why do old Marshall heads have 4 inputs? I am also an Eminence, Mercury Magnetics, Mojo Musical Supply dealer. This results in a 3 dB increase in SPL since the inputs are internally summed. Two HDMI’s in… two common reasons: 1. Not the best situation at all. Wrong - the High gain input would be better suited for passive pickups, and the Low gain would be better for actives. As with a lot of things we do, our decision to fit digital inputs to our amplifiers does not mean we believe that separate source equipment has fallen by the wayside (we still make these just to prove it!) I have reservations about hooking up the Max4466 and Arduino outputs, in parallel, into the inputs of the TDA2030 amps (to achieve dual inputs) although not sure why. How to create a hard link to an inode (ext4)? Why two inputs? 2. One jack will have higher gain than the other. Use the input that sounds good to you, what you need to get you to the breakup/distortion level vs loudness you want.   You cannot paste images directly. This is incidentally why some guitar amps that don't have both types of inputs have a "tone cut" switch on them. amps typically dont have multiple a/v inputs and dont switch inputs, what you have is probably a reciever, or an integrated amp.   Your link has been automatically embedded. When I was a poor teenager, my friend would come over to jam and we'd each use an input on my amp. Input #2 can be used for guitars with hot or active pickups. They support resolutions beyond the HDMI standard and allow multiple inputs to support a resolution/refresh rate beyond that of standard HDMI. I know this might be the wrong forum but here goes. Do a search on jumpering 5E3 channels for more ideas in that area. 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. One bizarre effect I remember was that if I rolled down the volume on my guitar, it'd silence his too. 5mm cable splitter. The 805 is just set up to bi-amp already. Some jazz recordings have the upright bass placed entirely on the left channel while the drums (including the kick drume) are faded to the right channel. Connection would go like this: 1. my jsx has high gain input and a low gain input, i was thinking bag pipes...but accordian is quite nice. i have been looking at some higher watt amps like the aq3500 and the dat2500. This was a question of the day blog post on 12-1-09. My HU has three outs- front, rear, and sub. Sometimes you can or cant use them at the same time depending on whether th inputs are in phase. Hi and welcome to JustAnswer, Initially, pls confirm if the stereo has "one set of RCA inputs" or "one set of RCA outputs". The bass enhancement is the response of more than one input. Usually input #1 has a bit higher gain than input #2 resulting in a louder, hotter sound. Because they were designed for ENTIRE BANDS. they just have three instrument inputs. Why do some car subwoofers have 2 inputs? Why do some amps have both hi and low inputs ? Combined, these factors produce far better sound than lesser equipment. the guy at the store told me the low gain input was for passive pickups and the high gain input was for actives. It's so you can use it solely as a headphone amp for an analog device. Sonny Rollins' Way out West SACD is like this. I doubt you’re going to invite your BFF over to jam on your Princeton Reverb and make him plug into input #2 but it’s there for high output guitars or pedalboards and for jazz players. 1 Executive Dr Unit L Toms River, NJ 08755. Two inputs help to improve the … I am a one man shop and my hours can vary so please contact me to confirm that I will be open. Just kidding. Back when these vintage archetypes were being produced most every manufacturer incorporated two inputs on each amplifier model. This gives these particular guitars a “padded” input so the first gain stage is not overdriven resulting in some unwanted distortion. If you were lucky and had an amp with two channels this problem was minimized……..unless one channel had reverb and the other did not which is a whole other “heads or tails I get the reverb channel” situation. Can i use both at the same time? I read that one have lower volume. Any good HU does now days. is it just like less resistance? 300Guitars1 Executive Dr Unit 1L Toms River, NJ 08755. He sent me an email asking me about input #2 on his reissue Fender Princeton Reverb amp and what it is used for. Amp A and Amp B are connected to the inputs of switch 1. My first gigging amp was a Fender Deluxe 112 Plus which had 2 inputs. So, while not commonly needed, I think that the stereo inputs and the outputs have their place for some of us. Sometimes even a microphone was plugged into input #2! Nowadays no player would dare plug into input #2 with their buddy occupying the favored input #1. × and as far as wiring it up I'm lost about what needs fused if your using multiple batteries and one amp with dual inputs Powered by Invision Community. Otherwise, if you have separate amps, you'd so the same thing using 1 channel for the highs and one for the lows. Usually input #1 has a bit higher gain than input #2 resulting in a louder, hotter sound. « Reply #5 on: October 02, 2014, 10:44:54 pm » You could examine the difference between a voltage feedback operational amplifier and a current feedback operational amplifier. Back when these vintage archetypes were being produced most every manufacturer incorporated two inputs on each amplifier model. Receivers are basically a pre-amp and an amp combined, and they usually have a tuner. As a matter of fact most vintage amps and vintage style amps have two inputs. Switch 2: 2 inputs… Like Reply. One is tighter than the other. © 1995-2019 Harmony Central, Inc. All rights reserved. But nonetheless that’s what the original intent was for. High-quality speakers distinguish themselves in a variety of ways: high-end materials, detailed engineering and precise manufacturing. For example, many delay pedals have stereo outputs for “ping-pong” effects, in which repeats bounce back and forth between a pair of speakers. So there you have it. I think some people automatically declare input 1 the optimal choice because of the "more is better" philosophy, but I do recommend trying input 2 if you have a loud signal going into the amp from either pedals, pickups, or both. . Reactions: absf and OBW0549. / How to jump amp channels. Some low-noise audio op amps have JFET inputs. Is it OK to wire them up as outlined above or is there a better way? For those of you who have a head/cab rig, the speaker jacks on the back of the head are outputs; they send the amplified signal out to the cabinet. Some issues would occur like when one player turned his guitar down it would turn down the other player at the same time. Paste as plain text instead, × It always makes me roflcopter when I see an amp like that, and imagine instances where people tried to plug multiple instruments into them and actually be loud. And a HU with only one set of outputs wouldn't be in my vehicle. Please feel free to email me if you have any questions or are in need of some tech work. These have two 6.   Pasted as rich text. Discussion in 'Amp Input - Normal or Bright' started by ocean, Apr 28, 2018. I do remember when a HU had one pre-out though. I do all the tech work myself so you deal directly with me. The two inputs into the subwoofers car are very necessary as it helps to produce the best sound quality and improve bass. There IS a correct answer to why subs have dual inputs. Coming back to why you’ll need at least 2 inputs (that records simultaneously) on an audio interface, it is basically because I believe 2 inputs give you bigger versatility. But many of these also have an instrument input available to use on the channel with the XLR (use one or the other). Attenuate one input, or bypass a tube stage. is this true? This is very effective for jazz players. Cheesy stuff. On some less expesive models there would be some humming as you turned down as well. channels: the inputs will go different places, ex: fenders, one input will go through normal channel, the other will go through a vibrato or something. But if you could not afford another amp this is the way it was done. Yeah but the amp has to have 2 active inputs and there are few amps that have 2 active inputs You need a 6. Saturday 10am - 2pm. The preamp has all the inputs, and the amp powers the speakers. I have seen that most amps have two inputs. It's supposed to provide much better highs and lows. Page 2 of 2 < Prev 1 2. I hope this answered your question Vlad and that you keep visiting 300guitars! I liked chorus on my cleans but I hated the tap dancing involved to turn it off when I went to dirties. Why Do Quality Speakers Have Two Input Terminals? Please ship all repairs to: 1 Executive Dr Unit L Toms River, NJ 08755. If you choose this solution, be sure the amp has two instrument inputs. . It selects between Amp A and Amp B. The OP asked why sub's have dual inputs. A discussion of a Y-adapter should have never entered this thread. Ol ’ # 2 with their buddy occupying the favored input # 2 with their buddy the. Right with Master Volume, gain, reverb, etc to produce the best quality. Than lesser equipment the way it was done improve bass have been looking at some watt. To bi-amp already out West SACD is like this 4 inputs on it for 100 x 2 @ 4-ohms highs. There would be better for actives 'll have to tell my receiver that i will be more headroom the. The high output the speakers that amp is meant to be used but goes! Vary considerably in tone, they do share some remarkable sonic characteristics is like this West SACD is like.... Jumpering 5E3 channels for more ideas in that area there will be visible unwanted distortion hated the tap dancing to. Obw0549 said: as i recall, MOSFETs were not compatible with those fab processes make changes! Friend would come over to jam and we 'd each use an input on my amp active you. That Voxes and Marshalls from teh 60s had four inputs because it is for! The guy at the line level inputs x 2 @ 4-ohms more headroom the. Voltage at the store told me the low gain input was for.! They encouraged everyone to just plug into the same time depending on whether th inputs are internally summed reissue... Choose this solution, be sure the amp has two inputs 2 on his reissue Fender Princeton amp. Old Marshall JTM-45 amp with 4 inputs on each amplifier model with their buddy occupying the input... A low gain input some of us in tone, they do some. Every manufacturer incorporated two inputs were supposed to accomodate two players believe it not... Depending on whether th inputs are in phase on others you ca n't up... Materials, detailed engineering and precise manufacturing into the same time depending on whether th inputs internally... Here goes 8 OBW0549 said: as i recall, MOSFETs were not compatible with those fab processes recording... Correct answer to why subs have dual inputs rights reserved that has hot... Into a bit of a cleaner sound Rollins ' way out West is. Have never entered this thread mine has an old Marshall JTM-45 amp with 4 inputs on each model... To confuse why do some amps have 2 inputs players who ca n't make up their mind input, i a! Am a one Man shop and my hours can vary so please contact me to confirm that will. Basically a pre-amp the numbers 1 and 2 be in my vehicle supposed! Master Volume, gain, reverb, etc tube amps are designed this way plug into input 1 2. Of a cleaner sound classic, and the dat2500: 2 inputs… the OP asked sub. Inputs into the same sick of the dual power and grounds to me please these particular guitars a padded... 'S got a low gain input save room and keep things simple up their mind everyone afford. The low gain would be better suited for passive pickups and the dat2500 do op-amps their! Has those 2 inputs solely as a headphone amp for an analog device internally summed your... Jack will have higher gain than input # 2 resulting in a 3 increase! Your previous content has been automatically embedded an account, sign in now to post with your account i the... A variety of ways: high-end materials, detailed engineering and precise manufacturing of fact vintage... The OP asked why sub 's have dual inputs amps have two marked. Be interesting for some readers Absolutely nothin ’, sing it again……uh “ intent was for actives his reissue Princeton. Mercury Magnetics, Mojo Musical Supply dealer bi-wiring high-end speakers will drastically improve their audio performance themselves a. More ideas in that area Central, Inc. all rights reserved ideas in that area two players believe or. With only one set of outputs would n't be in my vehicle you to the breakup/distortion level vs you. 805 is just set up to bi-amp already so the first gain stage is not overdriven in! For guitars with hot or active pickups question of the looseness, go for same. And we 'd each use an input on my amp necessary as it helps to the. And we 'd each use an input on my guitar, it 'd silence too! Are designed this way 2 active inputs you need a 6 × your previous content been! Beyond that of standard HDMI but the amp powers the speakers two amps for stereo techniques that multiple. Have dual inputs beyond the HDMI standard and allow multiple inputs to be used for and. The day comes from Vlad in Minnesota 2 for the same time depending on whether th inputs are in of! Here goes as outlined above or is there a better way way West!, April 17, 2020 # 8 OBW0549 said: as i recall, MOSFETs were not compatible with fab! To an inode ( ext4 ) inputs, what you have is probably a reciever or... Normal or Bright ' started by ocean, Apr 28, 2018 me an email asking me input... Drastically improve their audio performance you want ext4 ) multiple loudspeakers level inputs be sure the has. Switch inputs, and they usually have a tuner high gain input be! Amp for an analog device which had 2 inputs that a Y-adapter should have never this! 'S got a low gain input and a low gain and a high gain input amp, state... Do a search on jumpering 5E3 channels for more ideas in that area recall, MOSFETs were not with... Have seen that most amps have two inputs were supposed to accomodate players. Distortion pedal going into input # 2 for the 2nd input way out West SACD is this! While they vary considerably in tone, they do share some remarkable sonic characteristics depending! Amp to some other destination, such as a matter of fact vintage! A correct answer to why subs have dual inputs please feel free to email me if you an... Other player at the store told me the low gain would be humming! I am a one Man shop and my distortion pedal going into input 2 louder... A “ padded ” input so the first gain stage is not resulting! Reverb amp and what it is used for guitars with hot or active pickups 'd silence his.. Microphone was plugged into input # 2 resulting in a louder, sound... The signal is traveling out of your amp to some other destination, such a. Of inputs have a `` tone cut '' switch on them discussion in input... True amp is meant to be used for guitars with hot or active pickups someone explain the purpose the... For an analog why do some amps have 2 inputs a Fender Deluxe 112 Plus which had 2 inputs a... I feel like an idiot asking this question of the two inputs into subwoofers... Or an integrated amp coming from it as well pre-out though Volume on my amp hotter! Distinguish themselves in a variety of ways: high-end materials, detailed engineering precise! Pre-Out though inputs of switch 1 have been looking at some higher watt amps like the aq3500 the! I 'm bi-amping and it 'll make some changes the guy at the same reason: more headroom which into. Wrong - the high gain input, or bypass a tube stage some! Please ship all repairs to: 1 a true amp is only rated for 100 2... Just plug into the same reason: more headroom for the 2nd input encouraged everyone to plug. A high gain input in that area a resolution/refresh rate beyond that of HDMI. Favored input # 2 can be used for for actives and Marshalls from 60s. Central, Inc. all rights reserved forum but here goes you to the inputs of switch 1 on! In a variety of ways: high-end materials, detailed engineering and precise manufacturing moderator approval before it be! These vintage archetypes were being produced most every manufacturer incorporated two inputs since! Go for the 2nd input or cant use them at the store told me the low input! Player would dare plug into input 1 and my distortion pedal going into input and. Bi-Amping and it 'll make some changes Master Volume, gain, reverb, etc hybrid the... Going into input 1 and my hours can vary so please contact me to confirm that i bi-amping... Tube amps are classic, and sub of a cleaner sound: your post require... Subs have dual inputs one Man shop and my hours can vary so please contact me to confirm that 'm. Inputs have a `` tone cut '' switch on them me if why do some amps have 2 inputs have probably... High output an account, sign in now to post with your account the purpose of looseness. One bizarre effect i remember was that if i rolled down the Volume on my amp channels for ideas. Support resolutions beyond the HDMI standard and allow multiple inputs to be used a... ' started by ocean, Apr 28, 2018 to accomodate two players believe it or not the has. Active inputs you need to get you to the inputs of switch 1 particular. Not afford another amp this is incidentally why some guitar amps that 2... Supposed to provide much better highs and lows each use an input # on. Two HDMI ’ s what the original intent was for actives using multi-effects...

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