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Technic details
Specifications
Type:
Duo beta circuit stereo power amplifier
Continuous effective output:
270W + 270W (4 ohms, 20Hz to 20kHz, Simultaneous channel operation / single channel operation)
180W + 180W (8 ohms. 20Hz to 20kHz, Simultaneous channel operation / single channel operation)
THD (8 ohms, 20Hz - 20kHz):
0.008% or less (180W)
Intermodulation distortion:
0.008% or less (180W, 8 ohms, 60Hz:7kHz=4:1)
Frequency characteristic:
3Hz - 100kHz within 1dB
Output bandwidth:
10Hz - 100kHz, -3dB (0.1%)
Input sensitivity/impedance:
600mV / 50kohm
S / N ratio (IHF-A correction):
116dB or more
Remains noise:
0.2mV or less
Crosstalk (Volume maxima):
-100dB or less (1kHz)
-80dB or less (20Hz - 20kHz)
Dumping factor:
100 (at the time of an 8-ohm load intensity)
Protection network:
The speaker protection network by a speaker termination DC drift
The amplifier protection network by overcurrent detection
The amplifier protection network by the fuse fusing detection for power transistors
Attachment:
Power meter
Peek indicator (it is with the switchpoint of on/off of a peek indicator)
Meter sensitivity changeover switch (0dB-20dB)
The input level set of 22 points of 1dB space-characters Detent volume adoption
Supply voltage:
AC 100V, 50Hz/60Hz
Power consumption:
520W (Electrical Appliance and Material Control Law)
Dimensions: (W x H x D):
491x 181 x 390mm
Weight:
30kg
Year:
1980
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