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Superlux HD681, how to determine which is F and which is B?

post #1 of 8
Thread Starter 

I found a dealer who sells HD681, its not red so it cannot be plain HD681, it has to be either HD681b or HD681f, I need the F. Does anyone know any physical difference between them?

 

superlux-hd681-spec.jpg?et=lt9CxrRxgSnGjV16lL2dyw&nmid=491636356

post #2 of 8
Quote:
Originally Posted by Struckk View Post

I found a dealer who sells HD681, its not red so it cannot be plain HD681, it has to be either HD681b or HD681f, I need the F. Does anyone know any physical difference between them?


The F version has white rings, while the B has grey ones.

 

post #3 of 8

I recommend the B version...

post #4 of 8
Thread Starter 
Quote:
Originally Posted by stv014 View Post


The F version has white rings, while the B has grey ones.

 



Holy !$½#, how the hell did I missed that.

You either have a great eye for detail or great deal of knowledge of headphones, either way, Thanks!

 

Edit; just called the guy and turns out they have 681F, I was really praying for a B :(. Between 681f and plain 681 which would a better choice for rock? (I'm qualified and willing to mod it.)

 

bough 681 red... F was terrible for rock


Edited by Struckk - 11/11/11 at 11:23am
post #5 of 8

the B is good for rock music. As the B stand for bass iirc from the seller that told me this.

post #6 of 8

I have the regular 681, which is bassier than neutral as it is.  I'd recommend the F...when/if you mod it, it'll probably be a better starting point.

post #7 of 8

does anyone know if the model currently sold on amazon is just a regular hd681?

post #8 of 8

Yeah, it is.

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