Danger Mouse
Head-Fier
I think the V20 has line out via USB OTG, but I'll have to double check that?
Does the LG V20 even have a line-out? Can the headphone port be configured in software to serve this function?
I think the V20 has line out via USB OTG, but I'll have to double check that?
If the headphone out is clean (and all I hear about is what a great "audiophile" phone it is), then double amping doesn't mean "jack" (pardon the pun). Its only an issue if you're further amping a noisy input. So I can't see the issue personally.
With respect George - neither you nor I have heard the LG - therefore we don't know. And if you have a clean signal where the levels of THD are well below the threshold of audibility, and amplifying that signal still leaves the noise below the level of audibility - what does it matter?
If I may, I would say that having a line out on a player is nice really, I don't want to kill anybody's vibe when looking for this option, but in my opinion as Brooko say in real life double amping don't mean anything really. Phone headphone outputs are designed to act as a line driver when connected to a line in. A line in has an impedance that is so much larger than a pair of headphone that the gain of the amp is negligible, so you are not really "double amping". Line out just mean bypassing the opamp but to be technical the output signal of a phone out is still an unamped line level signal. It's a misconception that it will amplify the noise. Of course this is just generally speaking and some outputs are not designed to feed a line in but in a lot of case it is. I wouldn't worry about pluggin a LG V20 in a line input of anything.As far as my knowledge goes, V20 doesn't have any option it setting for a line out, so you'd be double amping it's heapdhone output signal.
If I may, I would say that having a line out on a player is nice really, I don't want to kill anybody's vibe when looking for this option, but in my opinion as Brooko say in real life double amping don't mean anything really. Phone headphone outputs are designed to act as a line driver when connected to a line in. A line in has an impedance that is so much larger than a pair of headphone that the gain of the amp is negligible, so you are not really "double amping". Line out just mean bypassing the opamp but to be technical the output signal of a phone out is still an unamped line level signal. It's a misconception that it will amplify the noise. Of course this is just generally speaking and some outputs are not designed to feed a line in but in a lot of case it is. I wouldn't worry about pluggin a LG V20 in a line input of anything.
You are correct, I am talking mainly about the headphone outputs of phones. Your D14 has an output power about 40 times larger than most phones. In that case I agree that you are right. current is the issue not voltage The LG V20 don't release their output power but they use the Amp embedded in the ES9018P DAC chip . It's safe to assume since this chip was designed for HIFI "mobile" that it's not that powerful but I don't know. It state 2 V RMS output voltage. Line level output operates at less than that nominally but thats in the range of operation of a line out. Just for complement, we know here that headphones impedance are typically, if not always under 600 ohms. Line in have well above 10K ohms Impedence. So that extra current needed to drive headphones is not that significant but again, in most cases, not all.Sorry to throw another perspective into the mix but in my experience double amping even low noise amps in series (IBasso D14 -> FiiO E12/A5) adds audible noise which sounds like clipping in the case of a sine wave or piano harshness in the example of Ryan Farish music. This is because the 1st amp is sending out current as well as voltage designed to drive headphones not increase the line signal for another amp.
Of course double-amping is unavoidable in pre-amp/power-amp setups or if you hook your rig to the car but audio purists would want to avoid this for quality listening.
anybody caught the Fiio A5 going for 40 bucks on Amazon few days back? Shipped and sold by reputable dealer with prime shipping.
Not that one. Another one, sold by a camera store, for 39.99. I guess it sold out quickly. Last I checked there was 16 left, I snagged a few myself. Got them in the mail a couple of days ago.i saw that too, however the dealer had one review and it was one star..i dunno if (reputable) is a good way to describe it
Not that one. Another one, sold by a camera store, for 39.99. I guess it sold out quickly. Last I checked there was 16 left, I snagged a few myself. Got them in the mail a couple of days ago.