Can Headphones Be Hard to Drive?
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- Опубліковано 13 вер 2024
- Headphone sensitivity and impedance combined affects the sound and amplifier compatibility.
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Joe misstated voltage vs power. Power increases by the square of voltage, for example every doubling of voltage, power is 4 times (Power =Voltage (squared)/Impedance). The gist of it is the same, increase in speaker impedance requires increased voltage in order to draw an equal amount of power.
Liking these types of videos from you guys, now I have better ways to explain this. Waiting on the mentioned future video about power handling
The demands for current and voltage for headphones can be misleading. If you see a headphone that has a really high sensitivity rating, but a lower impedance like most planar headphones, you’d think they are so easy to drive. Sure. You’ll get the volume loudness level no problem, but by quality power standards? No. Key and very evident characteristics of a headphone being underpowered is bloated, distortion in the bass and excessive sibilance in the vocals. Those are dead giveaways that one needs to match the amplification better for the sensitivity rating and current+voltage output.
A good example is the FiiO FT5 and the moon drop Para.
Weirdly, these headphones demand pretty substantial amplification 5X their price. 😮
buy a real amplifier with output transformers and there's no worries about power. Also, to gain +3dB of volume you need to double the power to achieve it.
thanks for everything
22 minutes? I think yes covers it. My K-340s from the eighties are hard to drive.
Wonder how many views and comments that would get:).
you guys gave up on closed Diana? it's been years since you announced that you are working on it
Been working on the materials and aesthetic of the closed sides for too long, bouncing back and forth between other projects.
It’s really hard to make a „right” sounding closed back, especially if you don’t even want huge caps. I reckon it’s safer to drop it than do what hifiman has made with their closed backs
@@kajetan9550 you’re right. I guess making a closed Diana is gonna be a real challenge because of how thin its caps are. Very Little space to work upon for damping. Unless they make it bigger which will compromise Diana’s slick form factor. Bur their recent approach to make an easier to drive Diana can be even more appreciated in a sealed platform. I think we eventually will see closed Diana one day.
Speaking of using speaker amps: Do you need something between a speaker amp and a headphone like a resistor box and if so why? Is it safe to go straight to the speaker taps?
We talked about this back in the day, ua-cam.com/video/l9Fs9rYgYTA/v-deo.html