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SONY SRA-3

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Technic details

Specifications

Type:
Recording amplifier for model TC - 263D
Bias frequency:
About 100kHz (push-pull oscillator)
Level indicator:
VU meter
Erase method:
AC erase
Corresponding tape speed:
2 speeds of 19 cm / s and 9.5 cm / s
Adaptive recording head:
4 track, inline stereo head (RP 30-2902, PP 15-2902)

 

Adaptive erase head:
4 track inline stereo erase head (EF 18-2902)
Amplifier operation:
Microphone input adjustment knob - 1 for each channel
Auxiliary input adjustment knob - 1 for each channel
Mode selector switch - 1
Record switch - 1
Input jacks:
Microphone input jack - 2 lines, 10kΩ
Auxiliary input jack - 2 lines, 100kΩ
Magnetic / cartridge input jack - 2 lines, 22kΩ
Output jacks:
Output jack for recording head - 2 lines
Output jack for erasing head - 2 lines
Monitor output jack - 2 lines, 5kΩ
Recording Compensation Characteristics:
NAB Standard
Used vacuum tube:
6AU6 - 2
12AT 7 - 2
12 BH 7 A - 1
6 × 4 - 1
Used transistor:
TX-128 x 2
Power supply voltage:
AC 100V, 50Hz / 60Hz
Power consumption:
About 40W
Attached connection code:
RK-56 x 3
Wood screw, washer, nylon washer x each 4

 

Outer dimensions (W x H x D):
344 x 115 x 344mm
Weight:
Approximately 5.8kg
Year:
1960

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