I recently bought a pair of RS2e headphones, stepping up in price from the SR325e model with its lower spec and heavier aluminium casing.  My reference point for comparison of the sound quality is against Sennheiser's HD650, which are a foundation of my headphone stable.  The comparisons were done in short order, although there was a bit delay as I had to switch the gain settings up for the Sennheisers given that they have much higher impedance than the Grados, which ran fine on low gain settings.   Unboxing and handling   The visual...