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HifiMAN HE-6 Planar Magnetic Headphone - Page 720

post #10786 of 19444
that depends.
but high slew rates and transformers are very tough
post #10787 of 19444
Is the transformer causing and effect due to inductance like a choke does.??
post #10788 of 19444
I don't think I understand. What do you mean by "high slew rates and transformers are very tough" ?
post #10789 of 19444

Something people may also be overlooking is that the amp power specs may not correlate directly to the headphone power delivery. Most people are probably just using the ratio between speaker and headphone impedance to find the equivalent power, which is all fine and dandy with Ohm's law, and assuming that your speaker input and output levels are set exactly the same.

 

What a lot of people overlook however is that an amp's max spec is usually determined by the limits of it's current delivery, with a decent amount of voltage headroom. You can crank the signal higher, but you'll get distortion/clipping as the transistors typically do not like operating at their limits. Depending how hot your input signal is, you will probably never max the volume on the amp.

 

Back to headphones, you'll never hit those current limits so you can probably turn the pot higher and eek out a little more juice.

post #10790 of 19444
So then what is happening with the amps and the he6 headphones.?
post #10791 of 19444
Quote:
Originally Posted by Armaegis View Post
 

Slew rate doesn't need to be that fast. Super high rates can be detrimental anyways.

 

Why is that?  Noise susceptibility?

post #10792 of 19444
Quote:
Originally Posted by Armaegis View Post
 

Something people may also be overlooking is that the amp power specs may not correlate directly to the headphone power delivery. Most people are probably just using the ratio between speaker and headphone impedance to find the equivalent power, which is all fine and dandy with Ohm's law, and assuming that your speaker input and output levels are set exactly the same.

 

What a lot of people overlook however is that an amp's max spec is usually determined by the limits of it's current delivery, with a decent amount of voltage headroom. You can crank the signal higher, but you'll get distortion/clipping as the transistors typically do not like operating at their limits. Depending how hot your input signal is, you will probably never max the volume on the amp.

 

Back to headphones, you'll never hit those current limits so you can probably turn the pot higher and eek out a little more juice.

For some amplifiers (MG3 for example) its more about the output voltage capability than current limit.  Which just goes to show you have to really KNOW the amplifier to really know what its going to do as you add attenuation and headphones...

post #10793 of 19444
We cannot know the specs if the maker does not list it. And has anyone figured out why the woo wa5 witch has less power than all of the audio gd amps , plays so loud. .? Any takers in this one.
post #10794 of 19444

Are you doing the Woo's K1K Output?

post #10795 of 19444
Yes of course .

Al d
post #10796 of 19444
Quote:
Originally Posted by ALRAINBOW View Post

We cannot know the specs if the maker does not list it. And has anyone figured out why the woo wa5 witch has less power than all of the audio gd amps , plays so loud. .? Any takers in this one.

We can if we measure it.

 

Less power, plays louder?  Higher gain!

post #10797 of 19444
I do not wish to as I am happy with what I have. My next amp is the krell to try . And I know it will be fine.
post #10798 of 19444
Quote:
Originally Posted by potterma View Post
 

We can if we measure it.

 

Less power, plays louder?  Higher gain!

Yep!

ALRAINBOW, see if you can swap tubes with a lower Mu (gain).

post #10799 of 19444
I do not tube roll sorry. I only have the upgraded ones that cam with the amp. I wish I could , I really would like to know how it sound?
post #10800 of 19444

I use the WA5 with EML 300b and a Tung sol 6f8g  M4U2 medium gain driver tubes with a pair of USAH 596 tubes and the HE6 sound very liquid with a very wide sound stage and extended treble and bass and sound excellent with whatever recording I play on the. The Wa5 never disappoints with the HE6 and I had lots of compliments at the Philly and NY meets with the combination,

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