Stereo Integrated Amplifier (1993)
Power output: 90 watts per channel into 8Ω (stereo)
Frequency response: 5Hz to 120kHz
Total harmonic distortion: 0.008%
Damping factor: 70
Input sensitivity: 0.25mV (MC), 2mV (MM), 150mV (line)
Signal to noise ratio: 76dB (MC), 94dB (MM), 100dB (line)
Output: 150mV (line)
Speaker load impedance: 4Ω to 16Ω
Dimensions: 430 x 150 x 375mm
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Reviewed Jun 22nd, 2016 by tjs129
Just picked one of these up locally for £40 complete with copious internal dust, and I must say I'm impressed.
I took it as a potential replacement for my TA-FB940R having compared the specs - which are way better on this.
Having had a quick listen to both, this is more comparable to my TA-F530ES!
In fact, I can instantly hear better bass than the ES, but lesser detail and possibly depth and imaging.
This might be merely highlighting a need to service the ES; however all the power supply caps have been replaced & upgraded!
It seems then that this is a bit of a 'sleeper ES' amp and a veritable bargain.
Sony used ES logos on the marketing materials for the TA-F540E, and the only difference I can find is that the 540E has an ES toroidal transformer.
The standard transformer here is probably the same one used in my ES though..
The plan is to replace the electrolytic capacitors throughout, which should be possible for a total cost equal to the sale price of the QS amp.
I will report back when this is done..