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Slye, this was the million dollar question some of us have been jacking with for a while now. We are finding that 2 channel input only delivers mono to the speaks. Thus the change in philosophy to follow the JL Audio footprint for bridged operation.
U got a secret handshake for us? Please!!!! I would loose 5 damn pounds of payload in a hurry!!!!
Check out the attachment that West Tex attached.
T.
That is correct on a JL amp but, for example, on an arc 600.4 you can use the switches to select 2 channel in to 4 channel out in bridged mode. So like I said, depends on the amp.
Which amps are you asking about? Some amps have the ability to take a 2 channel input and split it internally to a 4 channel output thus eliminating the issue. Some amps only need a 2 channel input for bridged mode. And some need all 4 inputs.
Ditch the LL and go DSP or a multi channel line converter You don't want to multi split the rca.
Lol, do what Slyedog said 4 minutes before my reply.
No 1 amp in mind, just creating conversation. If nothing else learn a thing or two.
That is correct on a JL amp but, for example, on an arc 600.4 you can use the switches to select 2 channel in to 4 channel out in bridged mode. So like I said, depends on the amp.
Ok Tes, since u do this stuff for a living I have to take u up on ur willingness to share ur knowledge so here goes the devils advocate shix. From what I know about the XDI, NVX, JL, etc... (which is limited) all have the capability to select the 2/4 channel input option but all indications from those amps is that it is in mono and not stereo thus the damn RCA splits. Thinking I might even put a 12 pack on it!!!! The goal is bridged stereo thus this recent uproar about these damn RCAs.
Man, I could have a hell of an RCA yard sale bro, but I have recently tried this on a half a dozen amps with the 2 channel input switch and all are mono when wired as depicted in the XDI manual.
Slye, this was the million dollar question some of us have been jacking with for a while now. We are finding that 2 channel input only delivers mono to the speaks. Thus the change in philosophy to follow the JL Audio footprint for bridged operation.
U got a secret handshake for us? Please!!!! I would loose 5 damn pounds of payload in a hurry!!!!
Check out the attachment that West Tex attached.
T.
Just as I said earlier and as Tesnevo said as well, it will be manufacturer specific. Now this is best best explanation for some amps (Diamond for sure). When in 2 channel input channels 1/3 are left, and 2/4 are right. When bridged you combine 1/2 and 3/4. So the input fed at 2 channel input messes this up. That I get. It is not common place but one can do this (Diamond said to do this if not wanting to y split). Bridge the odd and even channels. My concern would be if the power supply would allow it. So if you bridged 1+/3- and then 2+/4- you could have stereo with 2 channel input. Y splitting the better way but this in theory should work. The ups and downs of various engineering methods.
" One thing that will likely not work here and Diamond may have been blowing smoke" You have to invert one of the channels IE the right negative on most to make this work. So this is all iffy at best. I personally wouldn't do it without trying on a cheap pos amp to see the result, but again you are not inverting so don't think it is feasible.
Ok Tes, since u do this stuff for a living I have to take u up on ur willingness to share ur knowledge so here goes the devils advocate shix. From what I know about the XDI, NVX, JL, etc... (which is limited) all have the capability to select the 2/4 channel input option but all indications from those amps is that it is in mono and not stereo thus the damn RCA splits. Thinking I might even put a 12 pack on it!!!! The goal is bridged stereo thus this recent uproar about these damn RCAs.
Man, I could have a hell of an RCA yard sale bro, but I have recently tried this on a half a dozen amps with the 2 channel input switch and all are mono when wired as depicted in the XDI manual.
T.
T I learned a $50 y splitter lesson on the ARC. They gave me the wrong tech advice when I bought mine. I y split , switch to 4 channel input. No left/right balance. Switched back to 2 channel input, set to same 4 ohm bridged. Wala. Left and right would balance. That was my lesson to learn to love and hate the input switch. Back before all this the only switch on an amp was crossover and bass boost. Few had jumper modules like hcca orion and this damn xtant I had.
Just as I said earlier and as Tesnevo said as well, it will be manufacturer specific. Now this is best best explanation for some amps (Diamond for sure). When in 2 channel input channels 1/3 are left, and 2/4 are right. When bridged you combine 1/2 and 3/4. So the input fed at 2 channel input messes this up. That I get. It is not common place but one can do this (Diamond said to do this if not wanting to y split). Bridge the odd and even channels. My concern would be if the power supply would allow it. So if you bridged 1+/3- and then 2+/4- you could have stereo with 2 channel input. Y splitting the better way but this in theory should work. The ups and downs of various engineering methods.
Beautifully said!!
And I retract my statement on the 600.4, you are correct on it putting out mono in 2 channel bridged. Let's just say I was confused, lol. Nothing new here lately. I will gladly furnish the 6 pack!!
But to further confuse this Tailwind, you are also correct on the amps you referenced. Unfortunately we will never get completely away from the use of the rca adapters but they can be minimized with the use of multi channel line out converter or DSP.
And I bet I could compete with you on the rca yard sale, lol. But to be truthful we make our own job specific rca, fiber optic/toslink, hdmi and several other cables anyway, so there's always 1000's of feet of various cableing in my shop.
And I retract my statement on the 600.4, you are correct on it putting out mono in 2 channel bridged. Let's just say I was confused, lol. Nothing new here lately. I will gladly furnish the 6 pack!!
But to further confuse this Tailwind, you are also correct on the amps you referenced. Unfortunately we will never get completely away from the use of the rca adapters but they can be minimized with the use of multi channel line out converter or DSP.
And I bet I could compete with you on the rca yard sale, lol. But to be truthful we make our own job specific rca, fiber optic/toslink, hdmi and several other cables anyway, so there's always 1000's of feet of various cableing in my shop.
No the ARC is an exception. When in 4 ohm bridge mode and fed 4 pre amp inputs it will be mono when 4 channel input is on. NO left right balance. Feed it 2 pre amp inputs with switch at 2 channel input, and you will have left right balance. I believe it is when 4 ohm bridged switch is selected, it is designed to see only 2 inputs, and puts the 1-2 together and 3-4 together. Without playing with it I can't say exactly which is which, but that input configuration I can 100% guarantee.
No the ARC is an exception. When in 4 ohm bridge mode and fed 4 pre amp inputs it will be mono when 4 channel input is on. NO left right balance. Feed it 2 pre amp inputs with switch at 2 channel input, and you will have left right balance. I believe it is when 4 ohm bridged switch is selected, it is designed to see only 2 inputs, and puts the 1-2 together and 3-4 together. Without playing with it I can't say exactly which is which, but that input configuration I can 100% guarantee.
Lol, Ok, tomorrow or Sunday I'm going to get a 600.4 out and test this.
I hate not knowing the answer , like you, without trying it.
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