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Showing 1 of 236 conversations about:
Brickcity77
22
Oct 18, 2020
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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
2708
Nov 3, 2020
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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
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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
801
Dec 14, 2020
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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.
Rowdy2026
801
Jan 3, 2021
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rad.phxI mentioned the 80ohm version...not sure what you’re on about tbh?
Rowdy2026
801
Jan 3, 2021
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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
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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
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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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