Sony TA-F70 (220V)

power amplifier unit
effective output both channel drive 90w + 90w 8 ω, 0.007% distortion, 20 hz to 20 khz
output bandwidth 5 hz to 30 khz ihf, 0.007% distortion, 8 ω, 45w
harmonic distortion factor 20 hz to 20 khz 0.007% at effective output
cross modulation distortion factor 0.007% at effective output, 60 hz : 7 khz = 4 : 1
residual noise a-network 100 μ v 8 ω
damping factor 100 8 ω, 1 khz
suitable speaker impedance 8 ω ~ 16 ω
preamplifier section
input sensitivity / impedance phono1, 2 mm : 2.5mv/50k ω
phono1, 2 mc : 0.125mv/33 ω, 100 ω
tuner, aux, tape1, 2 : 150mv/50k ω
signal-to-noise ratio a network phono1, 2 mm : 88 db
phono1, 2 mc : 78 db
tuner, aux, tape1, 2 : 105 db
output level / impedance rec out1, 2 : 150 mv maximum output 20.0 v / 4.7k ω
phono maximum allowable input phono1, 2 mm : 300 mv
phono1, 2 mc : 15 mv
frequency characteristic phono1 and 2 : riaa deviation ± 0.2 db
tuner, aux, tape1, 2 : dc ~ 100 khz + 0 -1db
tone control bass : 25 hz ± 10 db turnover frequency : 250 hz
treble : 50 khz ± 10 db turnover frequency : 5 khz
low filter 15 hz, 12db/oct. phono input only