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Technic details
Specifications
Type:
Tube bulb control amplifier
[Output voltage]
Pre out:
Rated - 2V, maximum 20V or more (Strain rate 0.3%)
Output impedance:
Pre out, Rec out - 500Ω
Total harmonic distortion ratio:
Phono - 0.05% or less (Rec out, 2V, 1kHz)
Tuner, DAD, Line - 0.05% or less (Pre out, 2V, 1kHz)
Monitor 1/2 - 0.05% or less (Pre out, 2V, 1kHz)
Frequency response:
Phono - 20Hz to 20kHz, ±0.3dB
Tuner, DAD, Line - 1Hz to 50kHz, ±0.5dB
Monitor 1/2 - 1Hz to 50kHz, ±0.5dB
S / N ratio (Input short circuit, IHF-A correction):
Phono - 75dB or more
Tuner, DAD, Line - 100dB or more
Monitor 1/2 - 100dB or more
Tone control:
LUX method NF type
Bass, Treble:
Up to ±7dB
Low-pass filter:
Subsonic - 10Hz, low cut - 40Hz
Headphone amplifier and jack:
8Ω output, 40mW
Input impedance change switch for Phono:
50kΩ, 100kΩ
Used vacuum tube:
7025/12AX7A x 3 pieces
7028/6BK7B x 2 pieces
7026/6CG7 x 2 pieces
7030/12AU7A x 1 piece
7032/12BH7A x 1 piece
Power supply voltage:
AC 100V, 50Hz / 60Hz
Power consumption:
50W (Electrical Appliance and Material Control Law)
Dimensions (W x H x D):
470 x 168 x 402mm
Weight:
8kg
Year:
1983
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