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Катушечный магнитофон Pioneer RT - 707

Катушечный магнитофон Pioneer RT-707. Производитель - Япония. Год выпуска аппарата 1979. Стоимость на момент выпуска составляла 128,000 йен. Спецификация: Model 4-track 2-channel stereo tape deck (with reverse playback) Head configuration 4 track two-channel Recording head × 1 Playback head × 1 Head × 1 reverse playback Erase head × 1 Motor AC servo motor direct drive system × 1 FG: for capstan Inner rotor type induction motor × 2 pole 6 for reel Maximum reel Reel No. 7 Tape speed 19cm / s, 9.5cm / s, ± 0.5% Speed ​​rewind (370m), within 100 seconds Reel No. 7 Rotational irregularities 19cm / s: less than 0.05% (WRMS) 9.5cm / s: less than 0.08% (WRMS) SN ratio 58dB or more Distortion Less than 1% (19cm / s) Frequency characteristic 19cm / s: 20Hz ~ 28kHz (30Hz ~ 24kHz ± 3dB) 9.5cm / s: 20Hz ~ 20kHz (30Hz ~ 16kHz ± 3dB) Crosstalk More than 50dB Channel separation More than 50dB Erasure rate 70dB or more Recording bias frequency 125kHz Equalizer NAB standard Method of operation Solenoid drive, push-button direct change Timer can be preset for recording and playback / Maximum permissible input impedance Input sensitivity / Mic: 0.25mV/125mV/25kΩ, 6mmφ Jack Line: 50mV/25V/100kΩ, pin jack DIN: 16mV/8V/1.3kΩ Level / impedance maximum output level / output reference Line: 450mV/700mV/50kΩ, pin jack DIN: 450mV/700mV/50kΩ Phone: 70mV/8Ω, 6mmφ Jack Attached organization Pitch Control Auto-reverse playback (can be reverse manual / use sensing tape) Auto repeat (linked counters) Recording mode, independent L / R Tape selector Bias (STD / LH) Equalizer (STD / LH) With Mic / Line Mixing Volume output (rear panel) Pause indicator The semiconductor used Each 5: IC 62 pcs Transistor: Pieces 4: FET 44 pieces Diode: One: thyristor Two: Varistors Four: Zener diode Each 2: LED AC outlet System 300W, 1 Power AC100V, 50Hz/60Hz Power consumption 100W Physical Dimensions 230 × height 480 × depth 356mm width Weight 19.8kg Included No. 7 metal reel Cleaning kit Splicing tape Sensing Tape