Technics ST-HD505

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The Technics ST-HD505 is an integrated amplifier that was released in the mid-1990s as part of the popular Technics SL-D2 turntable and LS-D2 Studio Line loudspeaker system. This amplifier was designed to deliver high-quality, detailed audio performance with low distortion and noise levels. Key features of the ST-HD505 include:- Output power: 35 watts per channel (into 4 Ω)- Input sensitivity: 150 mV (phono), 350 mV (line)- Input impedance: 47 kΩ (phono), 45 kΩ (line)- Phono equalization: selectable (RCA)- Signal-to-noise ratio: 98 dB- Frequency response: 10 Hz to 100 kHz (-3 dB)- Inputs: 3 phono (MM), 3 line (RCA), and 1 tape (RCA)- Outputs: Preamp (RCA), tape loop (RCA), and speaker terminals (banana connectors)The ST-HD505 is generally regarded as a high-quality, mid-priced amplifier from the Technics line that has held up well over time. Its clean, detailed audio output and low noise levels make it a popular choice among audiophiles and music enthusiasts, particularly for use with vinyl turntables.