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Sony TA-A1ES Integrated amp
Sony TA-A1ES Integrated amp incorporates a unique design, which maintains a high level Class A bias by varying the output stage’s bias voltage via the level of the volume control. It therefore offers a warm and engaging sound quality which is rarely found in amplifiers at its price point.
Class A power with improved efficiency
The streamlined look of the TA-A1ES mirrors the clean signal flow that takes place under the hood. A large toroidal power transformer ensures a heavy dose of current is always at the ready. The single push-pull, high-current Class A circuit preserves the sonic accuracy of recordings for a near distortion-free performance.
While most Class A amps are highly inefficient, Sony built a bias control into the TA-A1ES’s volume control. So even though energy is constantly flowing to the output transistors, this amp reduces power output when you listen at lower levels. This means more energy is devoted to reproducing music rather than just generating more heat for the amp to dissipate. Plus, it eliminates the problem of distortion that occurs when output transistors switch on and off in Class AB amps. So you get the audio performance of Class A designs along with the increased efficiency of Class AB switching amps.
Less noise, more musical detail
All the TA-A1ES’s internal components are securely mounted inside a sturdy chassis that is reinforced with rigid frames and beams. This reduces vibration-induced distortion to astonishingly low levels. Balanced XLR inputs also ensure that connections to high-end components like the HAP-Z1ES are noise-free, even across long runs.
Dedicated headphone amp
If you enjoy headphone listening as much as speaker listening, this amp has you covered. The TA-A1ES features a built-in dedicated headphone amplifier designed to power a wide range of headphones, from efficient to power-hungry models. The front-panel impedance selector lets you choose from high, medium, or low settings to optimize the output to match your headphones.
80 watts x 2 into 8 ohms (20-20,000 Hz) at 0.09% THD
Class A amplification with smart bias control for accurate, detailed sound delivered more efficiently than typical Class-A amps
4-ohm stable for use with a wide range of speakers
1 pair of balanced XLR inputs
4 pairs of stereo RCA inputs
no phono input — to connect a turntable you’ll need to add a phono preamp
discrete headphone amplifier with impedance selector and full-size (1/4″) output
toroidal power transformer delivers clean, steady current
frequency response: 10-100,000 Hz (± 3dB)
signal-to-noise ratio: 96 dB
binding-post speaker terminals
remote input for IR repeater (not included)
detachable power cord
17″W x 5-1/8″H x 17-11/16″D
weight: 39.7 lbs.