Pioneer is a Japanese company that designs and manufactures electronic products.

Pioneer

The Pioneer Prologue 9 is a 3-way loudspeaker model manufactured by Pioneer between 1987 and 1988 in France. Designed as a compact bass reflex speaker, it features a robust build with a walnut or black finish. The speaker dimensions are 310 mm in width, 580 mm in height, and 250 mm in depth, with a weight of approximately 11 kg. It is equipped with three drivers: a 250 mm cone for bass, a 35 mm dome for midrange, and a 20 mm dome tweeter for high frequencies. The Prologue 9 is capable of handling up to 100 watts nominal and 150 watts of music power, with an efficiency rating of 88.5 dB/W/m. Its frequency response ranges from an impressive 25 Hz up to 40 kHz, providing a broad sound spectrum that caters to various audio preferences. The speaker also has an impedance of 8 Ohms, making it compatible with a wide range of audio equipment. This model is part of a series that includes several other variations such as Prologue 4, Prologue 5, and Prologue 8, showcasing a range of loudspeaker options from Pioneer during this period.

Prologue 9

by Pioneer

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