Японский интегральный усилитель SANSUI AU-D907F Extra. Год выпуска аппарата 1981. Стоимость на момент производства составляла 175,000 йен.
Спецификация:
Model Integrated DC amplifier
Power amplifier part (Super Feedforward & DD / DC method)
Effective output 130W +130 W (8Ω, 10Hz ~ 20kHz, THD 0.003%)
130W +130 W (8Ω, 1kHz, THD 0.002%)
(10Hz ~ 20kHz, at the time of an effective output) THD Less than 0.003% (8Ω)
(: 7kHz = 4:1, SMPTE 60Hz) intermodulation distortion Less than 0.003% (8Ω)
(IHF, both ch behavior, THD 0.02%) output bandwidth 5Hz ~ 80kHz (8Ω)
Dumping factor (new IHF, 20Hz ~ 20kHz) 100 (8Ω)
Frequency characteristic (1W) DC ~ 300kHz +0-3dB
Envelope distortion Below a limit of measurement
TIM distortion (Sawtooth method) Below a limit of measurement
Slew rate ± 250V/μsec (8Ω)
Rise time 0.5μsec
Equalizer amplifier part (Hi-Precision DC servo equalizer)
Input sensitivity / input impedance (1kHz) Phono1, 2 MM: 2.5mV/47kΩ
Phono1, 2 MC (Low / High): 70μV (3.2Ω) / 250μV (40Ω)
Tuner, Aux, Tape play1, 2:250 mV/27kΩ
(1kHz, THD 0.01%) Phono maximum permissible input MM: 200mV
MC: 25mV (low), transformer method
Output level / impedance (1kHz) Tape rec (PIN): 250mV (47kΩ) / 600Ω
(20Hz ~ 20kHz, 5V output) THD Phono1, 2 MM: 0.005% or less
Phono1, 2 MC: transformer method
(MM, Rec out) RIAA deviation 20Hz ~ 300kHz ± 0.2dB
(A network, a short circuit) SN ratio Phono1, 2 MM: 90dB or more
Phono1, 2 MC: 75dB or more (Low)
Tuner, Aux, Tape play1, 2:110 dB or more
Phono input-referred noise
(A network) Short circuit Phono1, 2 MM:-142dBV
Phono1, 2 MC:-155dBV
Channel separation (1kHz) Phono1, 2 MM: 60dB or more
Phono1, 2 MC: 50dB or more
Tuner, Aux, Tape play: 80dB or more
Tone control Bass: ± 10dB (50Hz)
Treble: ± 10dB (10kHz)
Tone selector Bass: 150Hz, 300Hz
Treble: 3kHz, 6kHz
Filter Low: 16Hz (-3dB, 6dB/oct)
High: 20kHz (-3dB, 6dB/oct)
Audio muting -20dB
General
Rated power consumption (Electrical Appliance and Material Control Law) 320W
External dimensions 160 × depth 444mm height width 460 ×
Weight 17.7kg