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| Lo-D HS-55 |
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| 59,000yen(one-set, around the 1979 time) |
The 2 way speaker system which carries a large-sized
Woofer and a horn tweeter aiming at reservation of a wide dynamic range.
The 30cm cone type Woofer is carried in low-pass.
High region
resonance frequency is raised because a cone part attaches a deep corrugation, and the 140phi magnet and the Lo-D actuator (low-distortion magnetic circuit)
are carried in the magnetic circuit.
The horn type tweeter which carries
an acoustic lens is carried in the high region.
The 235mm exponential horn
over which enough acoustic loads are covered over the whole band carries the acoustic lens which is a product made from aluminum die-casting, and suppresses
an unnecessary oscillation to an opening, and is improving dispersibility.
A
3.5cm titanium dome is carried in a diaphragm, and the 90mmphi magnet is carried
in the magnetic circuit.
The three-layer structure particle board is
used for a baffle board and a back board.
The succession variable level
control is carried in high regions.
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| Scheme |
2 ways, 2 loudspeaker bass-reflex scheme, and a bookshelf type |
| Unit etc. |
For low-pass: 30cm cone type
For high
regions: Horn type |
| Frequency characteristic |
40Hz - 20000Hz (-15dB anechoic chamber)
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| The maximum input |
200W (music signal peek) |
| Impedance |
8ohms |
| Output sound pressure level |
94dB/W/m |
| Maximum output sound pressure level
|
117dB/m |
| Cross over frequency |
1.5kHz |
| Enclosure internal volume |
62L |
| Dimensions |
Width 370x height 665x depth of 410mm
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| Weight |
24.5kg |
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