Pioneer SA-9900

Японский топовый усилитель Pioneer SA-9900. Год выпуска аппарата 1975. Стоимость на момент производства составляла 185,000 йен. Спецификация: Model Stereo Integrated Amplifier *Power amplifier section* Circuit system Two-stage three-step Darlington parallel push-pull-flops pure complimentary OCL differential Effective output (Both ch driven, 20Hz ~ 20kHz) 110W +110 W (4Ω) 110W +110 W (8Ω) Harmonic distortion (20Hz ~ 20kHz) 0.1% or less (at the time of an effective output) (55W output, 8Ω) 0.04% or less (1W output, 8Ω) 0.04% or less Intermodulation distortion 0.1% or less (at the time of an effective output) (55W output, 8Ω) 0.04% or less (1W output, 8Ω) 0.04% or less (IHF, both ch driven) output bandwidth 5Hz ~ 40kHz (0.1% distortion) Frequency characteristic 10Hz ~ 80kHz +0-1dB Input sensitivity / impedance Power amp in: 1V/50kΩ Output terminal Speaker A · B: 4Ω ~ 16Ω Speaker A + B: 8Ω ~ 16Ω Headphone: 4Ω ~ 16Ω Damping factor More than 30 (20Hz ~ 20kHz) S / N (IHF, A network, a short circuit) 110dB or more *Preamplifier* Circuit system Equalizer amplifier: 2 positive and negative power, single-stage three-step hardwired-connection Class-A SEPP FET differential Control amplifier: 2 positive and negative power, single-stage three-step hardwired-connection differential FET Input sensitivity / impedance Phono1: 2.5mV/50kΩ Phono2: 2.5 ~ 10mV/35kΩ, 50kΩ, 70kΩ, 100kΩ Tuner, Aux1, 2, Tape PB1, 2:150 mV/50kΩ Phono maximum permissible input...