Does anyone know if it is possible to tell if a STAX amp can have its voltage input modified internally (by changing the positions of the metal cylinders (jumpers) in the fuse holders on the circuit board? I know that you can't modify voltage on amps that have a white "AC 100V ONLY" sticker on...

I was wondering, how do the experienced STAX users on here check the balance of their STAX headphones?   I was considering buying a simple STAX amp like the SRM-Xh, to check the balance of the volume of the left and right sides (to check that the drivers are not on the way out). The SRM-Xh...

Can anyone recommend a good pair of circumaural headphones for studying purposes? They would need to have a fairly large can size. I am looking to buy a pair with good noise-cancelling abilities, to block out voices, television, and other noises in the room. I would also need headphones that can...

Can anyone recommend which of the Stax Sigma headphone models is the best to get? Primarily for classical and other instrumental music. Is it best to get the Normal bias Sigma, and then upgrade it to a Sigma/404? Or just get a Pro, and not worry about upgrading? Does anyone have both a Normal...

Hi to all,   I am a new member on Head-Fi, so I thought I'd introduce myself. I'm from Australia. I have had some experience with hi-fi gear, mostly with AKG headphones. I enjoy many types of music, including classical, electronic, hip hop, rock and pop. I have read threads on Head-Fi for a...