The Heco Interior 430 S is a floorstanding speaker model manufactured in 1989 in Germany. It is designed with a 3-way closed configuration. The speaker incorporates an integrated subwoofer system that features an unusual crossover setup at 150 Hz and 3000 Hz. The midrange driver is housed in its own sealed chamber, while the bass chamber remains unported. This particular design is aimed at producing deep musical bass with low distortion, requiring a bit of power to drive effectively. In terms of specifications, the speaker is equipped with a 235 mm woofer, a 105 mm midrange driver, and a 19 mm aluminum-manganese dome tweeter. The nominal power handling is rated at 130 Watts, with a music power handling capacity of 160 Watts. The efficiency rating is 88 dB at 1 Watt and 1 meter, while the impedance is 4 Ohms. Frequency response ranges from 25 Hz to 30 kHz, with transitional ranges specified at 300 Hz and 2,500 Hz. The speaker is offered in various finishes including black, white, walnut decor, ocean blue, and Ferrari red, with the original price set around 1500 DM for a pair.
