I have a pair of ER6i but I want slightly more sparkle in the treble. Just abit though. Would that be the ER4P or ER4S? The 6i and 4P seem to have similar frequency response curve (FR comparison chart at Headroom). Are they similar sounding in terms of balance? I prefer not to use a P to S...

I've just completed a gainclone kit and while it works fine on its own with an ipod or 0404usb, it does not work with a B22 as preamp. The B22 somehows "drives" the gainclone into oscillation whenever the volume knob is at fully clockwise or anticlockwise position. Theres no problem when the...

Got a new ipod nano 4G. Left and right channel is flipped. Any one else got the same problem?