Rolls Bellari VP549 Phono Preamplifier
- The RIAA equalization curve was intended to operate as the global industry standard for records since 1954. However, it is almost impossible to say when the change actually took place..
- Reducing the low frequencies also limits the excursions the cutter needs to make when cutting a groove. Groove width is thus reduced, allowing more grooves to fit into a given surface area.
- This also reduces physical stress on the stylus which might otherwise cause distortion or groove damage during playback.