Full maintenance of everything from the exterior to the unit, attenuator, network, etc.! Crescendo is a speaker system developed by Electri and sold with Altech's approval. This time it's an original original box specification with the 605B mounted on it. You can enjoy the tasteful design unique to vintage speakers and the crisp American sound with good texture and momentum (Kobayashi Hitoshi)
Maintenance information: 2026.4.25 Maintained (exterior repair/polishing/painting
Front and rear baffle repair and painting. Unit maintenance: low range side cone paper coating/viscoid sagging removal/terminal cleaning, partial gasket repair on one side, high range side magnetic circuit gap cleaning/center adjustment, terminal cleaning. Network maintenance: frequency characteristics check, ATT cleaning, terminal cleaning)
Accessories: saran net
Main specifications: frequency characteristics 20 to 20,000 Hz, use unit 38 cm, 605B (coaxial type with built-in horn), maximum input, 50 W, output, sound pressure level, 97 dB, crossover frequency, 1.6 kHz, impedance 16 ohms, W690 x H1,018 x D485 mm