Audio Database


Lo-D HS-420
36,700yen(one-set, around the 1974 time)

The 3 way speaker system which adopted the H-54HD horn as the high region, and adopted the free edge cone as the squawker and the Woofer.

Rating of a mode
Scheme 3 ways, 3 loudspeaker bass-reflex scheme, and a bookshelf type
Unit etc. For low-pass: 25cm cone type
For mid ranges: 12cm cone type
For high regions: Horn type (H-54H)
Frequency band (-8dB anechoic chamber) 45Hz - 20000Hz
Sound pressure level 91dB/W/m
Level change 0±3dB
Dimensions Width 370x height 675x depth of 250mm
Weight 15kg