The Heco Superior 620 is a compact 2-way closed speaker designed for enhanced audio performance. Manufactured in Germany from 1989 to around 1990, it combines aesthetic appeal with functional design. Available in several finishes including walnut veneer, oak veneer, mahogany veneer, and ash in both black and white, it can also be custom-finished upon request. The speaker measures 320 x 230 x 230 mm (HxWxD) and is relatively lightweight, making it suitable for various room setups. Its nominal output handles power up to 80 watts with a peak handling of 120 watts. The efficiency is rated at 87 dB per watt at a distance of one meter. The frequency response spans from 35 Hz to 35 kHz, allowing it to cover a wide audio spectrum. The crossover frequency is set at 3,000 Hz, and it operates with a 4 Ohm impedance. The loudspeaker features a 170 mm cone woofer (TC 170) and a 19 mm dome tweeter (KHC 19 M), providing a well-balanced sound profile.
