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Showing 1 of 237 conversations about:
Beyerdynamic DT770 Pro Headphones
Brickcity77
22
Oct 18, 2020
Wondering what the difference in Ohms means? Sorry I am new to higher end headphones and never the choice before with my other cans. Bose QC35, JBL Btooth and Sennheiser 590. Have a tiny cheap amp I never use as well as the Shanling UP4 which I always use with Lg G7. Any info greatly appreciated!! Cheers
Cyphre
2710
Nov 3, 2020
Brickcity77Generically speaking, a higher impedance (higher ohm) headphone is harder to drive; but by virtue, has a much tighter response (the drivers rebound faster). So the bass doesn't muddle the mids or highs, or generally have an impact on the overall sound.
Although at 250 ohms, you generally need a dedicated headphone amp to get much sound out of them.
Brickcity77
22
Nov 3, 2020
CyphreThank you for that info, much appreciated! I try not to waste too much time online these days so didn't feel like researching it much. Cheers
Rowdy2026
803
Dec 14, 2020
Brickcity77Further to the info already provided, the 80ohm version of these can be driven sufficiently by iphone, laptop, etc without the need for further amplification. Makes them a great allrounder.
rad.phx
2
Jan 2, 2021
Rowdy2026I know what you’re saying but i have the 990s in 600ohm and i can listen to them p nice off my iphone, js
Rowdy2026
803
Jan 2, 2021
rad.phxok...?
rad.phx
2
Jan 3, 2021
Rowdy2026So the part about needing an amp may not be accurate? Idk.
Rowdy2026
803
Jan 3, 2021
rad.phxI mentioned the 80ohm version...not sure what you’re on about tbh?
Rowdy2026
803
Jan 3, 2021
rad.phx“Im sorry i cant teach special needs people how to read...”
It’s a good thing you don’t teach anyone to read considering you fail the basic comprehension of who says what.
*edit, and any form of punctuation...ironic really isn't it?
(Edited)
tim273
11
Apr 12, 2021
Brickcity77So here's the best answer I can give about high impedance headphones, while yes you might be able to drive them using your phone, it's not going to sound its best most likely. Higher impedance headphones are voltage driven vs low impedance which are current driven. Smart phones since they are powered by a battery don't do as well with voltage driven high impedance headphones and will sound quiet (there may be exceptions of course). But an OTL tube amp, like the Bottlehead Crack, is the opposite as it sounds wonderful with high impedance headphones and not so good with low impedance ones.
The OTL tube amp is going to produce the proper voltage to drive HI headphones because vacuum tubes are high voltage, low current devices. For example I have a Bottlehead Crack and I purchased a 250 ohm version of the above headphones to go with it and they sounded great. But did an experiment to mod them to 600 ohms using the drivers from Beyerdynamic and they sounded even better when used in the Crack but not so good when plugged into my Google Pixel 3.
Hopefully this helps, I may not have all the details right, but it's in the ballpark.
This article explains it a bit better: https://www.cnet.com/news/headphone-buyers-heres-what-you-need-to-know-about-low-vs-high-impedance-models/
(Edited)
GaryReg.ca
24
Jun 1, 2021
tim273Really? Voltage driven vs current driven? E=IR or R=E/I where E is voltage, I is current and R is resistance or impedance in this case for an AC audio signal. The lower the impedance the more current you will get through the headphones voice coils and therefore more volume. E, I and R are all related. Apparently it has little impact in the overall sound of the various DT 770 headphones, but I haven't heard them yet. 80 Ohms seems like a nice compromise for all applications. My HD58x sound great driven from my iPhone 8 with the apple DAC lightning to headphone adaptor, and they are 150 ohms.
(Edited)
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