Low internal impedance makes the cartridge less sensitive to load and therefore ensures compatibility with the widest range of preamps and transformers. Ease of use Top-mounting of the Quintet cartridges is easy and secure using the screws supplied. The aluminuim frame has threaded mounting holes and is fitted easily with the 5mm or 7mm screws depending on the thickness of the headshell. The Quintet series’ right angles, straight lines, stylus visibility and ample distance between the record surface and the cartridge’s bottom will make it easy to mount and align the cartridge and tonearm correctly. The Quintet Series gives excellent results with most common tonearms.