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Just got my Shure Line attenuator

post #1 of 12
1/3/07 at 10:53pm
Thread Starter 
MMM.. the lack of background hiss is so nice now. The UM2s are all kinds of sensitive so I'm loving this change.

CD->Total Bithead->Attenuator->UM2 is a dream now.
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post #2 of 12
1/3/07 at 11:26pm
what exactly does the line attentuator do? I got one with my triple.fi and I'm not sure exactly what it's made for. But now that you do mention it, I do hear a slight hiss from the headphone out of my 5G ipod.
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post #3 of 12
1/3/07 at 11:28pm
is that a fancy name for p to s cable?
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post #4 of 12
1/3/07 at 11:47pm
Thea real name for those is Inline Impedance Adapter. Simply adds resistance to the channels which allows for heavier load and reduce floor noise. Resistance can be varied by choosing whichever value you like, DIY style
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post #5 of 12
1/4/07 at 1:06am
i think its just a volume slide thing
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post #6 of 12
1/4/07 at 1:09am
Yeah, a volume slide. I'm just wondering though, does it really affect sound quality? I don't care that much; I just have E2's as a solution for travel, and don't plan to upgrade them.
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post #7 of 12
1/4/07 at 1:54am
Quote:
Originally Posted by stewgriff View Post
Yeah, a volume slide. I'm just wondering though, does it really affect sound quality? I don't care that much; I just have E2's as a solution for travel, and don't plan to upgrade them.
Usually such attenuators changes the sound subtlety. To minimize such changes, someone has built an attenuator using voltage dividers instead of simple in-series resistors.

I use a 120 Ohm adapter to help bring out the bass with my old Beyer DT-931.
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post #8 of 12
1/4/07 at 1:57am
I have a 2g shuffle and some senn cx300's, and there is a very prominent background hiss, would adding one of these eliminate that?
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post #9 of 12
1/4/07 at 3:06am
Thread Starter 
It was quite bad with the UM2s before. The e2gs I had before that weren't as sensitive so I didn't really notice it. I tossed this in the line turned it about halfway down (still ample volume room out of the iriver), noise gone. I figure the detail I'm getting from eliminating hiss outweighs anything I am losing from the adapter.

Got it from an ebay store. It's one of these:

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post #10 of 12
1/4/07 at 3:08am
You need an attenuator even with your bithead? Damn...sure glad I didn't buy one.
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post #11 of 12
1/4/07 at 3:42am
Thread Starter 
It's an older model bithead that doesn't have the impedance switch (at least according to the guy I'm borrowing it off of).
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post #12 of 12
1/4/07 at 4:45am
Quote:
Originally Posted by schapman View Post
MMM.. the lack of background hiss is so nice now. The UM2s are all kinds of sensitive so I'm loving this change.

CD->Total Bithead->Attenuator->UM2 is a dream now.
I've heard this complaint a lot, and I was concerned about the hissing with my UM2's, but I have an almost completely black background with them, The CX300's and Super.Fi's offered more hiss than my UM2's. Go figure.
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