Amplificador sony ta-f444e
Modelo rarissimo comparavel com o pioneer a-400
Som equilibrado e bastante musical
Encontrei 1 modelo igual no ebay por 410 euros de maneira que o valor esta optimo

Specifications
Power output: 50 watts per channel into 8Ω (stereo)

Frequency response: 7Hz to 100kHz

Total harmonic distortion: 0.03%

Damping factor: 50

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 135 x 375mm

Weight: 9.9kg