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

Pioneer

The Pioneer SF-70 is an electronic crossover network designed to optimize audio output for different speaker configurations. It features selectable crossover points and slopes, allowing users to tailor the audio distribution for 2-way and 3-way speaker systems. The device has adjustable crossover frequencies for high and low ranges, offering five selectable levels. Additionally, the slope of the crossover can be changed in three stages across four different settings. The SF-70 includes a center channel output jack that enables the mixing of low-range left and right signals, enhancing 3D audio playback capabilities. The circuit operates on an NF type system and has a low total harmonic distortion of 0.3% or less, contributing to clean sound reproduction. The device has input and output impedance ratings of 100k Ω and 200 Ω or less, respectively, with a signal-to-noise ratio exceeding 85 dB. It supports a range of crossover frequencies; low frequencies can be adjusted between 125 Hz and 1000 Hz and high frequencies between 1 kHz and 8 kHz. With a compact size, the SF-70 measures 300 mm in width, 115 mm in height, and 254 mm in depth, weighing approximately 4.1 kg. It operates on a power supply of 100 VAC and consumes a maximum of 6 VA. This versatile crossover network caters to audiophiles looking to enhance their listening experience by enabling precise control over frequency distribution.

SF-70

by Pioneer

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