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Pioneer RT-909

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Technic details

Specifications

Type:
Reel To Reel Tape Recorder
Track system:
Auto reverse, 4-track, 2-channel, stereo system
Heads:
1 x Hard permalloy forward Playback head
1 x Hard permalloy reverse Playback head
1 x Hard permalloy Recording head
1 x Ferrite Erasing head
Motors:
2 x Reel base drive motors (6-pole inner-rotor special induction type)
1 x Capstan drive motor (FG Servo DC motor)
Reel size:
Up to 10 ½” reel (26cm)

Fast Forward / Rewind Times:
Less than 120 sec. with 10 ½” reel and 720m tape
Operation system:
Solenoid drive, direct switchable function buttons and pre-set function buttons for timer recording and playback
Wow and flutter:
No more than 0.04% WRMS (19 cm / s)
No more than 0.08% WRMS (9.5 cm / s)
Frequency response:
20Hz to 30kHz (19 cm / s)
20Hz to 28kHz, ±3dB (19 cm / s)
20Hz to 20kHz (9.5 cm / s)
20Hz to 18kHz, ±3dB (9.5 cm / s)
Signal to Noise Ratio:
More than 60dB
Total harmonic distortion:
Less than 1% (19 cm / s)
Crosstalk:
More than 50dB
Channel separation:
More than 50dB
Erasing coefficient:
More than 60dB
Recording bias frequency:
125kHz
Equalization:
NAB standards
Inputs Sensitivity / Maximum Allowable Level / Impedance:
0.316mV / 100mV / 27kΩ (Mic., 6mm jack)
50mV / 25V / 50kΩ (Line)
Outputs Reference Level/ Maximum Level / Load Impedance:
0.45V / 0.9V / 50kΩ (Line)
50mV / 8Ω (Headphones, 6mm jack)
Semiconductors:
4 x FET's
43 x IC's
123 x Transistors
111 x Diodes (Including 5 x LED’s and 6 x Zener diodes)
2 x Photo Interrupter

Power requirements:
AC 120V, 60Hz
Power consumption:
166W max.
Dimensions (W x H x D):
480 x 340 x 318mm
Weight:
21kg
Year:
1979

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