Very nice Pioneer SA-506 vintage amplifier. Extensively tested and checked. Potentiometers in good condition and free of creaks. Beautiful VU meters which both provide a nice image. Surprising quality, clear and sparkling. Input: Tuner, Phono, AUX en Tape Loudness, Speakers A/B Lighting of the VU meters does not work. Description The Pioneer SA-506 is a stereo integrated amplifier giving a continuous power output of 25 watts per channel. A new IC in the phono equalizer section of the SA-506 helps achieve an RIAA curve deviation of no more than +-0.5dB Other features include an illuminated wattage meter, click-stop volume and tone controls, loudness contour and advanced circuitry for low noise. Specifications Power output: 25 watts per channel into 8Ω (stereo) Frequency response: 20Hz to 40kHz Total harmonic distortion: 0.08% Input sensitivity: 2.5mV (MM), 150mV (line) Signal to noise ratio: 76dB (MM), 92dB (line) Dimensions: 420 x 147 x 261mm Weight: 5.9 kg