Full maintenance from exterior maintenance to unit internal magnetic circuits, ATT overhauls, etc. Equipped with an HPD315A dual concentric 12 inch speaker unit, this system played a part in TANNOY's commercial success. The size is larger than 3LZ, so you can listen to relaxed low frequencies. Unit circuit diagram The plate part is painted black, and the dowel is broken in one place, but this is the current situation (Kobayashi Hitoshi)
Maintenance information: 2024.2.3 maintained (enclosure polishing/oil/wax coating baffle coating saran net replacement, frame repair unit maintenance: low frequency side edge replacement/magnetic circuit gap cleaning/center adjustment, fastener polishing, high frequency side: magnetic circuit gap cleaning/center adjustment network maintenance: frequency characteristic check, ATT cleaning, faston terminal replacement, terminal cleaning)
Accessories: saran net
Main specifications: 2 way, 1 speaker, bass reflex system, bookshelf type, HPD315A, 30cm, coaxial, Alnico magnet, 89dB, maximum input, 60W, 8Ω, W400 x H580 x D260 mm, 21 kg