The Marantz EQ 130 is an equalizer designed for enhancing audio output by allowing users to adjust frequencies to their liking. The EQ 130 features a 7-band equalizer, providing control over various frequency ranges, typically including 31.5 Hz, 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz, 4 kHz, 8 kHz, and 16 kHz. This enables users to tailor the sound to better suit their listening preferences or the acoustics of their environment. The device usually includes a signal-to-noise ratio of around 90 dB, ensuring minimal background noise interference. Typically, it operates at a frequency response that spans from 10 Hz to 50 kHz, catering to a broad spectrum of audio playback. The EQ 130 is known for its sturdy build quality and classic design, featuring knobs for level adjustments and buttons for increased functionality. Some versions of the EQ 130 may also include output level meters that provide visual feedback on the signal levels being processed. The unit typically connects via standard RCA connections, allowing for compatibility with various audio systems.
