No, all speaker and headphone outputs are true AC. Positive voltage moves the speaker cone outward, negative pulls the cone inward. The electrons flowing through the speaker wires trully flow one direction to push the speaker cone and reverse their flow to pull the speaker cone.
The output transformer sends the stepped up signal through the blue wire to the speaker jack and on to the speaker. The audio signal flows through the speaker's voice coil which generates a magnetic force. This magnetic force is either attracted to or repelled by the speaker's magnet. This attraction and repulsion moves the speaker cone back and forth to create air pressure waves that our ears experience as sound--the sweet sound of electric guitar. For every movement of the guitar string the amplifier generates a corresponding movement of the speaker cone.
Armaegis, after thinking about the reverse current blocking diodes I realized we're working with an AC audio signal. Wouldn't reverse current blocking diodes act as half-wave rectifiers and remove the negative voltage half of the audio signal?
I was thinking two zener diodes per channel like you find in most Ultrasones (and a few Sennheisers I think), but I guess that only protects from overvoltage. A fuse is probably the simplest protection against short circuits.
OH MY GOD my cousin said that and then I realized that the trs adapter wouldn't work with it cause then they'd be considered non-common grounds, right?
OH MY GOD my cousin said that and then I realized that the trs adapter wouldn't work with it cause then they'd be considered non-common grounds, right?
OH MY GOD my cousin said that and then I realized that the trs adapter wouldn't work with it cause then they'd be considered non-common grounds, right?
It's doable... but you'd need to recable your headphones for "balanced", some XLR to RCA adapters, then make a banana to XLR4 adapter. Or I suppose if both your Mini-X's are done up with a TRS in front, you could make a dual TRS to XLR4 adapter... or something like that. Mind you I'd want to verify various things with a multimeter first, as I do not have a Mini-X to experiment with. If none of this paragraph made sense, then don't try it.
Same question as robrob. On pro-audio amps, this is very straight forward. I used to bridge amps all the times and run speakers in series. The reason I am interested is because I am getting some speakers later on. I could get another Mini-X and well, run the 2 as mono-blocks. Let's just focus on the speaker outputs in the back and ignore HP mod for a second. How would you verify that you can safely bridge the 2 channels and increase output pwr?
First step would be to email Emotiva and ask directly if it's safe.
You can try a dummy load with a high ohm resistor and very carefully raise levels and measure with a multimeter (if you know what the single ended voltage should be, then running it bridged should be double). If that's ok, try a lower value resistor.
Again, I don't know for certain if this will work. "In theory", you can just bridge the outputs to double the voltage swing assuming you've rigged your inputs, but no guarantee that the circuitry can provide the required current (although with a headphone load this is a moot point).
You can try a dummy load with a high ohm resistor and very carefully raise levels and measure with a multimeter (if you know what the single ended voltage should be, then running it bridged should be double). If that's ok, try a lower value resistor.
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