BUILDING A HANA: MAGNETIC CIRCUIT ASSEMBLY AND CALIBRATION
3: MAGNETIC CIRCUIT ASSEMBLY AND CALIBRATION
Assembling and aligning the magnetic generator with the cartridge frame is a precise process requiring exceptional skill. Fine tolerances ensure perfect matching while attaching the front pole piece, which demands careful attention to maintain the cantilever's freedom of movement and optimal trackability. The pole focuses the magnetic flux field on the moving cross coil, and meticulous adjustments by the technician minimise distortion, ensuring natural and musical sound reproduction.
The next critical step involves the meticulous assembly and alignment of the magnetic generator with the cartridge frame, a process that requires exceptional precision and expertise. These components must be perfectly matched, as even the slightest misalignment can compromise performance. Attaching the front pole piece demands even greater skill, as it is essential to ensure that the cantilever and stylus assembly retain the freedom of movement necessary for tracking the intricate details embedded in the vinyl’s grooves. This step is critical for delivering both dynamic range and accuracy during playback.
The pole piece plays a vital role in focusing the magnetic flux field directly onto the moving cross coil, which is responsible for converting the mechanical vibrations into a finely tuned electrical signal. To achieve the highest fidelity, the technician makes careful adjustments, balancing magnetic saturation and distortion. These painstaking refinements allow the cartridge to produce a sound that is both natural and emotionally engaging, capturing the true essence of the music as it was intended to be heard.
