PIONEER Nozomu Matsumoto 1937 -8
    



Pioneer RT-909
   


: 1979


TECHNICAL DATA
Track System: 4 track, 2 channel stereo tape deck
(Recording, forward playback with reverse playback)
Heads: Hard permalloy recording -1
Ferrite erasing head - 1
Hard permalloy forward playback head -1
Hard permalloy reverse playback head -1
Motors: Capstan drive motors; 1(FG servo DC motor)
Reel Base drivemotors; 2(6 -pole inner-rotor special induction type)
Maximum Reel Size: 26cm

Tape Speed: 19 cm/s , 9.5cm/s ±0.6% )
Wow & Flutter: No more than 0.04% WRMS(
19 cm/s),
No more than 0.08% WRMS(9.5 cm/s)
Frequency Response:
19cm/s.....................................20to 30,000 Hz
(20 to 28,000 Hz +3 dB )
9.5cm/s.....................................20to 20,000 Hz
(20 to 18,000 Hz +3 dB )

Signal to Noise Ratio: More
than 60dB


Recording Bias Frequency: 125 kHz

Fast Forward and Rewind Time: Less than120 sec. 26cm and 720 m tape
Output Jacks:
Line: 410 mV (0 VU).
Required load impedance: More than 20 kohms
Phone: 100 mV/8 ohms
Input Jacks:
Microphone: x2 0.316mV/100 mV (Input impedance 27kohms).
Suitable microphone impedance:250 Ohms to 10 Kohms
Line x 2: 50 mV /50V(Input impedance 50 kohms)

Output: Line x 2 450 mV/900mV/50k
Ohms
Required load impedance: More than 20 kohms

Power Requirements: 120/220/240V 50/60 Hz 90 W
Dimensions:
480(W) x 340(H) x 318(D) mm

Weight: Without package 21.5kg
With package 25.5kg



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