If you're swapping, look for either OPA627AP or OPA627BP.
And definitely be careful of fake OPA627's on eBay. It's best to purchase from an authorized distributor. Try looking at Digikey or Arrow.
Not to say I'm an expert on the matter...
But given that headphones are physical objects, they get worn out over time, too. Especially as they're in use, since the drivers are constantly accelerating and...
It's pretty foolproof inside. You can't damage the driver because it's inside a plastic cage.
In any case, you don't even need a ring. Just cut a long piece of felt and then stuff it inside the pads. The change in soundstage...
Well, reporting back for some small findings...
I tried putting some felt and foam in front of the driver, and also switched out the ring in front with a thicker felt.
None of that helped decreasing the treble...
Quote:
Originally Posted by Bill-P
Subscribed as well. Thanks for helping with this, Frank!
The last meet was awesome, and I felt bad for not being able to contribute much to it, so I'm bringing...
Actually, I think I'm getting it just right with the Sansui 331, so I'll just leave it as is.
Fiddling with software EQ is something I try to avoid anyway...
Now that I've tamed the treble at last... the W1000X is...
I kept putting this amp up for sale and pulling it... because I couldn't get over how good it is. But now it's getting less and less use, and to top it all off, my recent favorite headphone, the ATH-W1000X, just doesn't have good...
Wow...
UHA-6S Mk.II = I can feel blood dripping down my ears...
Sansui 331 w/ treble control = pure music
Dang it, I LOVE this amp. You've just convinced me to let the UHA-6S Mk.II go and find a better...