The Pioneer SX-2500 is a stereo receiver that was manufactured in Japan between 1971 and 1974. It features a classic design with a silver front panel and a wooden housing. The unit offers a power consumption of 360 W and weighs 15 kg. Its dimensions measure 486 x 146 x 384 mm (WxHxD). The SX-2500 was originally priced around 2,665 DM in 1972. This receiver includes various inputs including two MM phono inputs, one MC phono input, and additional ports for tape, aux, and a microphone. It supports multiple outputs, including tape outputs and a headphone jack. In terms of audio performance, the amplifier delivers continuous power ratings of 72 W per channel at 8 Ohm and 90 W at 4 Ohm, with dynamic power ratings of 208 W (8 Ohm) and 340 W (4 Ohm). The total harmonic distortion is recorded at 0.5%, and it has an impressive frequency response that ranges from 20 Hz to 70 kHz. The receiver also has good signal-to-noise ratios for both phono (> 80 dB) and high levels (> 100 dB), ensuring a clean sound with low background noise. Additionally, it supports FM and AM tuners with an input sensitivity of 1.6µV for FM and 8µV for AM, with excellent selectivity and channel separation. The SX-2500 also includes features like a separable pre- and power amplifier, automatic station search, and cable remote control for added convenience.
