Internal and external maintenance has been completed. Equipped with the HPD315A dual-concentric 12-inch speaker unit, this system played a part in TANNOY's commercial success. The size larger than 3LZ allows you to listen to the low frequencies comfortably. The exterior is also beautifully finished. Serial 514579/514288 (Kimiya Miura)
Maintenance information: 2023.5.3 Maintained (enclosure polishing, oil/wax painting. baffle painting. Reupholster the saran net. Unit maintenance (low frequency side: edge replacement, magnetic circuit rust removal/gap cleaning center adjustment, fastener polishing, high frequency side: magnetic circuit rust removal/gap cleaning center adjustment). Network maintenance (output terminal polishing, cleaning. ATT (SW type) contact cleaning. Apply airtight tape A frequency characteristic measurement check (~ approx. 42 kHz) was performed, and the original capacitor was continuously used for good results. Input/output waveform and balance check, sound output check). Unit detachable)
Accessories: saran net
Main Specifications: 2 Way 1 Speaker Bass Reflex System Bookshelf Type W400 x H580 x D260 mm 21 kg/book [HPD315A] 30 cm Coaxial Alnico Magnet 89dB Max Input 60W 8Ω