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Sony TA-F570ES

Integrated Stereo Amplifier (1991-92)

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Sony TA-F570ES


Power output: 80 watts per channel into 8Ω (stereo)

Frequency response: 2Hz to 200kHz

Total harmonic distortion: 0.004%

Damping factor: 100

Input sensitivity: 0.17mV (MC), 2.5mV (MM), 150mV (line)

Signal to noise ratio: 95dB (MC), 77dB (MM), 105dB (line)

Output: 150mV (line)

Dimensions: 430 x 150 x 375mm

Weight: 12kg

Year: 1991


service manual   English -

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Reviewed Mar 08th, 2014 by Smoke Screen

The last F5xxES with large Sanken BJT outputstages.
Nice poweramps ,healthy power supply and the same
phonoamp you find in every F4xx/F5xx/FA3 model.
Basicly its a good amp for high level sources and decent
for phono but its an afterthought compared to what was
build in the age of JFET`s. Cheap lytics and a non-DC
build is a waranty for no good aging ability. Still this amp
is better than the later FA3/FA30. Renovated and upgraded
with a better opamp in the phonosection a good sounding
and relativly cheap ES-Amp from Sony`s golden era in the
late eighties,early nineties.



tomi3356's picture


Devices equipped with this technique produces minimal distortion throughout the oblique band frequency, especially for small output signals.
In poloczeniu special, carefully selected companies the power transistors (SANKEN) output signal distortion are reduced to a minimum.
High speed processing of these transistors optimum pulse rise times and, consequently, high fidelity reproduction of pulse signals. Extremely low resistance Output the final stages of amplifiers can effectively control, drive low impedance speakers even.
High-fidelity transmission of pulse signals, large reserves of power and filtration (2x12000uf ELNA for AUDIO) power tips for preamp section (2x5600uf ELNA for AUDIO) and minimal distortion they give extremely clear sound, with a large dynamic and natural sound.

The shorter the supply route, the lower the possibility of signal interference to its quality by external factors.
The use of direct input is based on the selection of switches bypassing the signal source and a switch, the input signal driver designed for recording, instead, the signal is routed directly to the amplifier. This solution ensures undistorted signal path, preferably of sound quality.

Chassis determines the symbol G is the basis for the massive high power amplifiers brand SONY.
Made of polyester resin and mixtures of calcium carbonate and fiberglass cast as a single, it has anti-magnetic properties and excellent damping characteristics resonances, thanks to which effectively protects against all types of unwanted vibrations and external elements responsible for the transmission of sound signal.

High power amplifier consist of two stages: a control stage (driver) and the degree of the End.
Both stages are connected to the same power supply.
With an increase in the power delivered to the speakers significantly increases the demand for energy needed to power the End stage, which creates a difficult working conditions may cause the power supply and supply voltage variations.
Fluctuations in the supply voltage can reach the level of the steering and adversely affect the quality of sound. To avoid this phenomenon applies SONY AC adapted to variable loadings.
AC adapter creates a separate power source for both amplifier stages, which prevents their mutual consequences for. In part SUPPLY drivers used are high quality filters induction, providing deprivation Interference voltage power supplies.
Accordingly kondennsatorów large capacity filter (2x12000uf, 2x5600uf ELNA for AUDIO) used in both parts of the power supply gives you a large reserve of energy that is sufficient even for large loadings amplifier.
Thanks to this experience to music is clean and full, and fidelity playback excellent pulse signals.

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