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Technic details
Specifications
Type:
Duo • Beta plus X stereo control center
Output voltage:
Pre Out - 1V standard, 20V maximum
Rec Out - Standard 140mV, maximum 20V
Output impedance:
Pre Out - 47Ω
Rec Out - 100Ω
Harmonic distortion ratio (20Hz to 20kHz):
Phono MM / MC - 0.005% or less (Rec Out: 140mV)
Tuner, AUX - 0.005% or less (Pre Out: 1V)
Monitor 1, 2 - 0.005% or less (Rec Out: 1V)
Cross modulation modulation ratio (60Hz to 7kHz = 4: 1):
Phono MM / MC - 0.002% or less (Rec Out: 140mV)
Tuner, AUX - 0.002% or less (Pre Out: 1V)
Monitor 1, 2 - 0.002% or less (Pre Out: 1V)
Frequency response:
Phono - 20Hz to 20kHz, ±0.2dB
Tuner, AUX - 0.5Hz to 140kHz, -0.5dB
Monitor 1, 2 - 0.5Hz to 140kHz, -0.5dB
Input sensitivity (Pre Out: 1V):
Phono MC - 0.09mV
Phono MM - 2.0mV
Tuner, AUX - 140mV
Monitor 1, 2 - 140mV
Input impedance:
Phono MC - High (100Ω), Low (50Ω)
Phono MM - MM (50kΩ), MC (100Ω)
Tuner, AUX - 55kΩ
Monitor 1, 2 - 55kΩ
S / N ratio (IHF-A correction, input short):
Phono MC -148dB / V (Input conversion noise)
Phono MM - 80dB
Tuner, AUX - 100dB
Monitor 1, 2 - 100dB
Tone control:
Turnover frequency shift type (for high range, low range)
Subsonic filter:
7Hz (Twin T type)
Additional features:
MC impedance switching (High, low)
MM / MC direct impedance switching
Tone bypass switch
Rec Out switch
Tape monitor 2 lines (1, 2)
Tape dubbing (1 → 2, 2 → 1)
Line Phase Sensor
AC outlet Switched:
2 lines, total 450W
Unswitched:
1 line, 500W
Power supply voltage:
AC 100V, 50Hz / 60Hz
Power consumption:
25W (Electrical Appliance and Material Control Law)
Outer dimensions (W x H x D):
478 x 163 x 384mm
Weight:
9kg
Year:
1980
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