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Sony TA-77ES
Stereo Power Amplifier (1987-90)
Power output: 200 watts per channel into 8Ω (stereo)
Frequency response: 1Hz to 200kHz
Total harmonic distortion: 0.004%
Damping factor: 100
Input sensitivity: 1V
Signal-to-noise ratio: 120dB
Dimensions: 470 x 185 x 440mm
Weight: 25kg
The Sony TA-N77ES is a stereo power amplifier that was first introduced in the mid-1980s. It was part of Sony's ES (Elevated Standard) series of high-end audio components, which were designed to provide superior sound quality and build quality.
The TA-N77ES has a power output of 200 watts per channel into 8 ohms, and can drive speakers with an impedance as low as 2 ohms. It has a class A/B design with a large toroidal transformer and multiple power supply capacitors, which helps to provide clean, stable power to the speakers.
The amplifier has a variety of inputs, including RCA and balanced XLR inputs, and also has a switchable low-pass filter for use with a subwoofer. It features a rugged construction with a thick aluminum front panel, and a large heat sink on the back to dissipate heat generated by the amplifier.
Overall, the Sony TA-N77ES is a high-quality power amplifier that was well-regarded by audiophiles and music enthusiasts during its time, and is still considered a high-quality vintage amplifier today.
- Started from: Apr 07, 2023
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