Grado Blue3 Prestige Series Reel-to-Reel Tape Speeds 90dB (line)

90dB (line)

qui varie avec la fréquence de telle sorte que la réponse en fréquence acoustique corresponde à celle d'un filtre passe-haut de Butterworth du troisième ordre

Built with professional construction and premium components

Tested & functional

Grado Blue3 Prestige Series Reel-to-Reel Tape Speeds 90dB (line)Both the Blue3 and Red3 use a four piece OTL cantilever that has a Grado specific diamond mounted on a brass bushing. The Red3 are hand selected from Blue3 production runs which meet higher test specifications. Approximately 10% of the run usually exhibits these specs and become a Red3. Grados OTL, or optimized transmission line, technology provides an ideal transfer of signal from the surface of the LP to the generator of the system. This technology