Audio Database

The

JBL 240Ti
278,000yen(one-set, around the 1984 time)

Description
 
The floor type speaker system of Ti series

LE14H-1 which is 38cmSFG 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.

The round baffle is used for an enclosure in consideration of the influence by the diffraction effect, and high-density particle board is used for the material. Moreover, surface finish is natural teak finish.
Furthermore, in order to prevent disorder of the response by reflection with a grill frame, the flooring grill using an original floating structure is adopted.

The gilding treatment is performed to the input terminal and what thought the tone quality as important also to a network circuitry, a part, and requests-for-price-quotations product-line material is adopted.


Rating of a mode
Scheme 3 ways, 3 loudspeaker bass-reflex scheme, and a floor type
Using unit For low-pass: 36cm cone type (LE14H-1)
For mid ranges: 13cm cone type (104H)
For high regions: Dome shape (044Ti)
Frequency characteristic 30Hz - -27kHz six dB
Allowable input (pink noise) 150W
Impedance 8ohms
Cross over frequency 900Hz, 4kHz
Output sound pressure level 89dB/W/m
Dimensions Width 457x height 930x depth of 335mm
Weight 38.6kg