This is the sixth generation nab hub adapter independently developed by studevox. Use the central knob as a lock and rotate the cup body to automatically open the outer spring, locking the magnetic tape reel.
This is the sixth generation nab hub adapter independently developed by studevox. Over 15 years of independent research experience with reel to reel tape recorders. This ensures no shaking/swinging during rotation, ensuring concentricity standards and strong fixation force, safety and reliability.