Hey guys! I'm looking to buy a pair of AKG K7XX and I'm wondering if the phone could drive them. I know it's best with an Amp, buy would the usb-c be able to provide enough power? The headphone's impedance is 62 Ohms
I highly recommend a good amp/dac with 7xx.. Max 2 might be able to drive 7xx in highest volume but not with full potential.. The highest impedance cans I have atm is the 612pro, and Max 2 don't have enough power to drive them..
appsmarsterx said:
I highly recommend a good amp/dac with 7xx.. Max 2 might be able to drive 7xx in highest volume but not with full potential.. The highest impedance cans I have atm is the 612pro, and Max 2 don't have enough power to drive them..
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Thanks for the response! I know they should be driven with an amp/dac but if they still sound at least decent, thanks quite ok . And i saw that your headphones are double the impedance, I was hoping the USB-C could provide decent power
KuranKaname said:
Thanks for the response! I know they should be driven with an amp/dac but if they still sound at least decent, thanks quite ok . And i saw that your headphones are double the impedance, I was hoping the USB-C could provide decent power
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I even have to use my yamaha mt220 at the highest volume with max 2 which is also kinda very low impedance around 37ohms.
But usually those marketed impedance values often makes no sense in real life.. As an example, 612pro is harder to drive than sennheiser 6xx series and beyerdynamic dt150, dt770/990/880(250ohm versions)
I also auditioned 7xx few years ago and it is far more drivable than 612 or 6xx series.. May be it it might needs around same power as q701.. Could be very close.. As as predicted earlier I still think Max 2 might be able to drive 7xx in highest volume, may be not in full potential.
Or you can simply get a good portable amp/dac like fiio E17K and use it with usb otg with max 2
appsmarsterx said:
I even have to use my yamaha mt220 at the highest volume with max 2 which is also kinda very low impedance around 37ohms.
But usually those marketed impedance values often makes no sense in real life.. As an example, 612pro is harder to drive than sennheiser 6xx series and beyerdynamic dt150, dt770/990/880(250ohm versions)
I also auditioned 7xx few years ago and it is far more drivable than 612 or 6xx series.. May be it it might needs around same power as q701.. Could be very close.. As as predicted earlier I still think Max 2 might be able to drive 7xx in highest volume, may be not in full potential.
Or you can simply get a good portable amp/dac like fiio E17K and use it with usb otg with max 2
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Thanks for the info
Related
So I've been through this entire accessories forum and I'm pretty sure this hasn't been posted yet
What about pulling out the speaker in the droid and replacing ours with that one? I hear it's quiet a bit better... Honestly I don't remember much about speakers from electrotec but it can't be all that incompatible can it?
It depends. Also, you'll need to find out how much power the droid speaker needs, it might drain the battery even faster. I tried this with 2 wires and a SE k750i speaker and it didn't work. might have another go though
yes but thats where a larger battery comes into play =P i think the main problem would be getting the extra power to it? i should have payed attention more in electrotech haha
calgore said:
yes but thats where a larger battery comes into play =P i think the main problem would be getting the extra power to it? i should have payed attention more in electrotech haha
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That's what i meant. Regardless of battery size, you'd need to get the battery to deliver more power to use bigger speakers. dunno how the hell you'd do that
well as long as the speaker you put in has the same Voltage but Higher Ohm rating to get louder "volume". It would over drive the speaker tho, and probably kill it faster. But on the other hand, finding a 10 ohm replacement would probably sound better, but u would need to up the gain on the device.
I didnt know if u guys knew this, im 75% sure its correct. I don't believe u need to change batteries.
wattage is also a factor, It all depends on what we can find out about the speaker inside.
I thought, that a lower ohm rating would result in higher wattage and so it is louder.
If you put 4 volt to a 10 ohm speaker it would do 0,4 ampere. So you've got 1,6 watt. If you take a 1 ohm, you get 4 ampere and 16 watt.
As long as you take the "URI".
So i think, you will have to take one with lower resistance.
The resistance doesn't depend on the voltage. Because 10 ohm's are allways 10 ohm's. It's a question of the imprinted wattage.
Take a speaker with 10 ohm's and 16 watt on a circuit of 4 volt, you would hear nearly nothing.
On a circuit with 40 volt it play very loud.
If you take 400V, you would end up with a bomb.
Yes voltage will be specific to the speaker + amp setup you have. In the commercial speaker world, theres speakers that are 8ohm, but have a transformer on them to accept different voltages.. Ie. 100, 70, 25 volt systems.
I thought a smaller Ohm, Like 1 ohm, has less Resistance,(all most a short) then a 10 ohm would be more resistant.
But with meltus Modifying the amp output of a g1, i thought that u would want a speaker to sound better, not get distorted like the current one in there.
Over diving a speaker with voltage could throw the cone out of the spider,(Overextends). so yea 400v on any speaker, would outcome in projectiles.
I think ohm is not the problem, but the quality of the speaker. When you pay some more bucks for a speaker, then it hasn't more ohm, but ist better produced. Earphones are very similar to this. Buy some for 1$ and some for 50$. The difference could be as big as the difference in price. So the speakers for your car hifi.
I've looked http://mikechannon.net/PDF Manuals/HTC Dream SM (A04).pdf <-- there on the service guide thingy to see what its got on it about the speaker... only things i spotted was that its directly attached too the back casing... (see page 59) and some such about 36H00720-00M speaker, KDIC (page 101) dosn't really seem to say much else that i noticed =/
Hello.
I wanna to ask you for something - stock earphones from L9 has got 18 OHm impedance, but if I plug in earphones with 16 OHm impedance will broke my phone/DAC/jack or something other?
I wanna to buy Panasonic HJE120. Will be ok, or not?
Thanks for reply!
It's alright
I hate that not enough people use RMAA or just test these things (unless they're high-end devices). My NuForce NE-700Ms have 16ohms impedance, and they sound fabulous. The source impedance for the L9 has not yet been tested, but they at least seem to be able to drive my IEMs with little/no fuss.
On that note, I'll probably switch to an Optimus G. Source impedance of 1.89ohms places it just above the iPhone 4S (first [tested] smartphone to do that, as far as I know), and overall audio output is impressively low on distortion.
So, I haven't got any problem with 16OHm earphones, yeah?
mosak said:
So, I haven't got any problem with 16OHm earphones, yeah?
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Too much of worries with so much of details, may leads to heart problems after few years. I would have just plug in and use it without asking anyone. At least I am sure the headphone does not explode in my years. lolz
Hi.
2 OHM's difference can't broke your phone but this headphones will be little bit louder than stock.
http://www.amazon.de/dp/B007F906Q2/...and=476253706331216390&hvpone=&hvptwo=&hvqmt=
i use this ones, hope that helps. stock jb rooted...,poweramp profile for headset, tasker turns headphone to max vol because controller at the cable.
beautifuel musik, heasdset!!! in ear, tel extrem good, test in wind and little storm...
If the music stutters in Poweramp when the mobile is in lock state, increase audio buffer one notch. Headset button controller app is also fine for volume setting, however, button long press is reserved by JB in contrary to ICS.
On my various Nokia phones, the volume limiter annihilated any volume differences between 16 and 32 ohm headsets to keep the phone and mainly you healthy. ****ing EU law.
On the V10 in order to have the DAC in permanent high impedance mode you simply modified the Mixer-Path.xml. I look for that file in the V20 system dump and couldn't find it. I was wondering if one or some of the great minds here at xda could search the system dump to locate the V20 Mixer-Path.xml or find a file that if modified would provide the same results when we get root. Thanks on advanced.
Sent from my LG-H918 using Tapatalk
i don't seem to have an issue with high impedance headphones, i have a pair of Sony xba-h1 that have a ridiculous (for earbuds) 40 ohm impedance and they work wonderfuly. is there a reason you're trying to force it into high impedance mode?
nyterage said:
i don't seem to have an issue with high impedance headphones, i have a pair of Sony xba-h1 that have a ridiculous (for earbuds) 40 ohm impedance and they work wonderfuly. is there a reason you're trying to force it into high impedance mode?
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Yes I want to use the full power of the amp on my low impedance rha ma750. I don't have to crank the volume as high and the sound is richer and crisper. [emoji2]
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Would it be safe to use the high impedance mode for headphones which are not high impedance? My Bose headphones trigger the mode naturally but I wonder for my other headphones.
Sent from my LG-H990 using Tapatalk
Until you find a software workaround, plug a splitter into the phone first. Then plug your device of choice into the other end of the splitter. This tricks the DAC into going into high-impedance mode.
prinzhernan said:
Would it be safe to use the high impedance mode for headphones which are not high impedance? My Bose headphones trigger the mode naturally but I wonder for my other headphones.
Sent from my LG-H990 using Tapatalk
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Lot of factors go in to that. The risk is up to the people who try it.
Nihonno said:
Until you find a software workaround, plug a splitter into the phone first. Then plug your device of choice into the other end of the splitter. This tricks the DAC into going into high-impedance mode.
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That is aux mode not high impedance mode. You have normal (low) impedance, then aux mode (mid) impedance then high impedance ( max power). I'm shooting for maximum power. [emoji2]
Sent from my LG-H901 using Tapatalk
Bump for this. Id love to see a high impedence mod. If someone could point me in the general direction to start looking on how to create some sort of mod, id love to try and see if i could mess around with it. Not sure how similar LG Nougat vs Samsung Marshmallow is...
There's a good amount of risk in doing that. You're forcing higher voltages normally reserved for drivers with higher resistance. Lower the driver resistance and your current draw on the opamps can hurt the device or fry your low impedance drivers if the gauge wire to the drivers isn't large enough. I don't really see the point in this mod. Any quality DAC is going to be able to drive low impedance hard enough. If your buds aren't loud enough, get better headphones. Just my. $0.02
I force mine into high impedance mode by using an inline sliding volume control, set to minimum when I plug in. It puts 470 ohms in series with my inefficient headphones. Slide it back to full volume after plugging in and I have 1.8V rms high impedance mode.
I too would like a software fix for this.
jagwap said:
I force mine into high impedance mode by using an inline sliding volume control, set to minimum when I plug in. It puts 470 ohms in series with my inefficient headphones. Slide it back to full volume after plugging in and I have 1.8V rms high impedance mode.
I too would like a software fix for this.
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Could you post a link to what you are using (like on amazon)?
GermanGuy said:
Could you post a link to what you are using (like on amazon)?
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Not really. I got it in a shop in Hong Kong. If it is an analogue knob or slider then it could work.
jagwap said:
I force mine into high impedance mode by using an inline sliding volume control, set to minimum when I plug in. It puts 470 ohms in series with my inefficient headphones. Slide it back to full volume after plugging in and I have 1.8V rms high impedance mode.
I too would like a software fix for this.
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Hmmm good idea
Sent from my LG-H918 using Tapatalk
I'm pretty damn sure that if LG believed driving the amp at 100% power, even for low impedance headphones, were a good thing, they would have done it.
My SE846 IEMs use the low power mode. They sound fantastic. You are not doing yourself any benefit by trying to trick the amp into a high power mode, especially by using some piece of crap adapter. If anything, that is going to degrade quality.
Nitemare3219 said:
I'm pretty damn sure that if LG believed driving the amp at 100% power, even for low impedance headphones, were a good thing, they would have done it.
My SE846 IEMs use the low power mode. They sound fantastic. You are not doing yourself any benefit by trying to trick the amp into a high power mode, especially by using some piece of crap adapter. If anything, that is going to degrade quality.
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Not sure why these guys are trying it, considering the promotion comes with $150.00 earphones.
Sent from my LG V20 using XDA Labs
Nitemare3219 said:
I'm pretty damn sure that if LG believed driving the amp at 100% power, even for low impedance headphones, were a good thing, they would have done it.
My SE846 IEMs use the low power mode. They sound fantastic. You are not doing yourself any benefit by trying to trick the amp into a high power mode, especially by using some piece of crap adapter. If anything, that is going to degrade quality.
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Yes, but your SE846 are sensitive. Other headphones may not be. My Sine headphones need nearly x10 the voltage to reach the same volume. Portable headphone with this low sensitively and low impedance are rare, so LG did not cater for it. But they did allow for it with high impedance headphones, which are typically less sensitive.
jagwap said:
Yes, but your SE846 are sensitive. Other headphones may not be. My Sine headphones need nearly x10 the voltage to reach the same volume. Portable headphone with this low sensitively and low impedance are rare, so LG did not cater for it. But they did allow for it with high impedance headphones, which are typically less sensitive.
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The high impedance mode says it activates at 50 ohms and above. Unless your headphones are above 50 ohms, and somehow not activating it, you're wasting your time.
Nitemare3219 said:
I'm pretty damn sure that if LG believed driving the amp at 100% power, even for low impedance headphones, were a good thing, they would have done it.
My SE846 IEMs use the low power mode. They sound fantastic. You are not doing yourself any benefit by trying to trick the amp into a high power mode, especially by using some piece of crap adapter. If anything, that is going to degrade quality.
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Nitemare3219 said:
The high impedance mode says it activates at 50 ohms and above. Unless your headphones are above 50 ohms, and somehow not activating it, you're wasting your time.
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I'm really not. They are 24 ohms and I get the power I need in high impedance mode.
I thought they were 18 ohms?
mrwinkle13 said:
On the V10 in order to have the DAC in permanent high impedance mode you simply modified the Mixer-Path.xml. I look for that file in the V20 system dump and couldn't find it. I was wondering if one or some of the great minds here at xda could search the system dump to locate the V20 Mixer-Path.xml or find a file that if modified would provide the same results when we get root. Thanks on advanced.
Sent from my LG-H918 using Tapatalk
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/system/etc/mixer_paths_tasha.xml try there.
What is the mod please? I want to add it to my ROM
Hey there!
I'm jumping off the Samsung Galaxy Note 4 ship, as it has suddenly died with all my data (thanks, samsung, for using slow and low quality
EMMC flash memory!)
just received my Mate 10 and the key issue (if i should dismiss weak vibro) is low headphone volume.
I have high-quality 35 ohm Denon headphones that deliver outstanding sound quality, and had no problems using them with samsung devices (Note 4, S3, tablets). I usually listened to the music on 60-70% volume and it was REALLY loud).
Now, with Mate 10, I had to max up the volume, but even at 100% it's not enough. Well, its sort of ok mostly, but not so enjoyable, and many tracks say "a bit more volume please".
Is there anything that can be done? I remember that custom kernels allow increasing volume, but that means rooting. Could anyone give an advice?
What is their sensitivity? If I use it with my Hifman HE400i the volume is also a bit low. They are 35ohm and have a sensitivity of 93dB. If they are really good headphones you wont be able to use them to their full potential plugged in to a phone anyways, so it will probably be better to pair them with an external DAC/amplifier. The usb-c port can output a bit of power, so you can probably use a decent usb DAC like the audioquest dragonfly for example. I use a hegel super DAC without any problems.
AndyBroke said:
What is their sensitivity? If I use it with my Hifman HE400i the volume is also a bit low. They are 35ohm and have a sensitivity of 93dB. If they are really good headphones you wont be able to use them to their full potential plugged in to a phone anyways, so it will probably be better to pair them with an external DAC/amplifier. The usb-c port can output a bit of power, so you can probably use a decent usb DAC like the audioquest dragonfly for example. I use a hegel super DAC without any problems.
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sensitivity 104dB/mW.
Well, the thing is that i used them with Note 4 and galaxy s3 (both are phones) with no problems - the sound was outstanding and volume very decent.
I did some more tests and found out that volume in videos that i see with VLC player is much higher (and more satisfactory). So the port is physically capable to deliver. Maybe should try a different media player?
You could try Foobar 2000. There is a setting called replay gain in the menu that will probably be able to boost the volume.
The original type c adaptor thats included is weak in terms of volume so I've been using the essential ph-1 type c adaptor which boosts volumes considerably higher.
Unfortunately I've lost it! So now on the hunt of a good replacement
Any recommendations that people have bought?
dreamville said:
The original type c adaptor thats included is weak in terms of volume so I've been using the essential ph-1 type c adaptor which boosts volumes considerably higher.
Unfortunately I've lost it! So now on the hunt of a good replacement
Any recommendations that people have bought?
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I use the one from Pixel and it's much better than stock. It has built in DAC.
Does the phone know to let the dongle DAC do the audio conversion or does it still try to push analog for the dongle to 'pass-thru'?
i wouldnt use any other adaptor than the stock. i would prefer to give 20-30 euros for the stock from official huawei
StonebridgeGr said:
i wouldnt use any other adaptor than the stock. i would prefer to give 20-30 euros for the stock from official huawei
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stock dongle is like 5-10 bucks
Not much here besides to confirm that the apple usb-c to 3.5mm works well, just picked one up from the apple store. Koss portapros sound fine to my ears with spotify. Don't have audiophile ears by any means but cranked to max volume, it's just about right for me so ymwv. Bluetooth might be better but over here in Canada, there's far greater chance of running into an Apple store/retailer than it is to find a shop thats even heard of Huawei let alone going to stock a "Huawei" USB audio dongle lol if you want to keep a wired solution.
Coming from honor 8 with 3.5mm native, I'd probably be on 1/2 to 2/3rds volume.