Audio Database

The

JBL 120Ti
188,000yen(one-set, around the 1984 time)

Description
 
The bookshelf type speaker system of Ti series

30cmSFG Woofer by the Aqua positive compound cone is adopted as low-pass.

104H of a 13cm special polypropylene cone unit is carried in the mid range.
The special filler strip is raising the synthetic for polypropylene to the base sharply. And the same internal loss as polypropylene is maintained.

The 044Ti tweeter which used the pure titanium diaphragm is carried in the high region.
The original technology of spraying the fault style of high-voltage nitrogen gas has realized dome molding of 25-micron thickness, and the response which was excellent in the origami work of Japan combining the diamond edge pattern and reinforcement rib which obtained the Tips is gained.

The switchpoint type level control of a two-step change is carried in the mid range and the high region, respectively.

An enclosure is a product made from high-density particle board, and serves as natural teak finish.
Moreover, in order to prevent disorder of the response by reflection with a grill frame, the flooring grill using an original floating structure is adopted. e by reflection with a grill frame, the flooring grill using an original floating structure is adopted.


Rating of a mode
Scheme 3 ways, 3 loudspeaker bass-reflex scheme, and a bookshelf type
Using unit For low-pass: 30cm cone type (128H-1)
For mid ranges: 13cm cone type (104H)
For high regions: Dome shape (044Ti)
Frequency characteristic 35Hz - -27kHz six dB
Allowable input (pink noise) 150W
Impedance 8ohms
Cross over frequency 900Hz, 4kHz
Output sound pressure level 89dB/W/m
Dimensions Width 362x height 622x depth of 310mm
Weight 25.5kg