TRIO SC-400

Commentary

This speaker system is the top model of the 400 series.

In the conventional design method of speaker systems, it is an orthodox method to raise the average sound pressure in the general mid-range by 2 to 5 dB. The shortage of the low-range has been compensated by the bass reflex effect. As a result, the sound quality was attractive when compared at the store, but sometimes it became audible when you brought it to your home for a long time.
The 400 Series is designed to provide rich and natural playback sound even if you listen to it for a long period of time by setting the average sound pressure to 3 to 4 dB lower than that of conventional orthodox speakers, in addition to making the low-frequency to high-frequency flat characteristics.
In addition, through a technical tie-up with bozak Co., Ltd., we have conducted repeated research on the materials and sound quality of bozak speaker corn paper. Based on the results of this research, we have adopted a speaker unit that uses a unique method and determined the degree of mixing and mass.

The SC 400 supports multi-amp playback by switching the rear terminal.
A channel divider is required for multi-amp playback because it is disconnected from the network and directly connected to the unit. For 6dB/oct and 18dB/oct, test the mid-range connection in both forward and reverse directions. For 12dB/oct, connect in opposite phases. In this case, set the crossover frequency to 800 Hz and 5 kHz.

A 38 cm cone woofer is installed in the low range and a 16 cm cone squaker is installed in the middle range.
In addition, two horn type tweeters are installed in the high frequency range.

A full-scale LC-type network is used in the network section.
In addition, a 3-step switching type tone control is mounted.

Homogen material is used for the enclosure, and the internal structure adopts a sealing system, and the squaker part is contained in an independent small sealed box to suppress the interference strain with the woofer. The exterior features a walnut urethane finish.
The speaker enclosure is designed to be separated from the base, so that it can be installed vertically or horizontally, and can also be used as a bookshelf without the base.

By combining the 400 Series and the Matching SR Series cabinets, you can use them with the same dimensions as a stereo set.

Model Rating

Method	3-way, 4-Speaker, Sealed Type, Floor / Bookshelf Type
Unit	For low band : 38 cm cone type For Medium Range : 16 cm cone type For High Frequency : Horn Type x2
Playback frequency band	25 Hz to 20 kHz
Instantaneous maximum input	35W
Impedance	8 Ω
Crossover frequency	400 Hz, 5 kHz
Network	LC Type, 12dB/oct.
Tone control	3-step switching system Clear : Sound with a slight emphasis on the high range Normal : Ideal Hi-Fi sound Soft : Sound with a slight attenuation in the high-frequency range
External dimensions	Body Only : Width 590x Height 790x Depth 445 mm With Stand : Width 590x Height 875x Depth 445 mm
Weight	37kg