The Sony SEQ-711 is a graphic equalizer that was manufactured between 1992 and 1994 in Japan. It features a sleek black design and is equipped with a variety of capabilities aimed at enhancing audio quality. The unit has a power consumption of 13 watts and measures 430 mm in width, 110 mm in height, and 265 mm in depth, weighing approximately 3.2 kg. The SEQ-711 offers two inputs and one output, making it suitable for connections through tape, VCR, or MD loops. It is designed with a 7-band equalizer, providing a boost/cut range of ±10 dB, with center frequencies at 63 Hz, 160 Hz, 400 Hz, 1 kHz, 2.5 kHz, 6.3 kHz, and 16 kHz. The frequency response for line input ranges from 20 Hz to 50 kHz, with a distortion level lower than 0.01% and a signal-to-noise ratio greater than 100 dB. The graphic display includes a spectrum analyzer and features ten preset equalization curves for varying acoustic environments and listening preferences. Users can also define custom user equalization curves, which can be easily selected through dedicated keys. Special features include dynamic equalization control, a DSC (Dynamic Sound Control) function that adjusts equalization according to sound level, and option for tape/line input selections. The equalization presets support a range of acoustic simulations, from jazz clubs to modern cinemas and discotheques, enabling diverse sound experiences.
