Specifications RA-980BX
Continuous Power Output.. .100 watts* per channel, min.
RMS both channels driven into
8ohms from 20 to 20,000 kHz
with no more than 0.03% total
harmonic distortion.
DIN Output 190 watts per channel (1 kHz,
4ohms, 1% THD)
Peak Current 80 A(0.1 ohms, 10 usee, 1
Pulse)
Total Harmonic Distortion...No more than 0.03% (con-
tinuous rated power output) No
more than 0.03% (continuous
1/2 rated power output) No
more than 0.05% (1 watt per
channel power output, 8ohms)
Intermodulation DistOrtion...No more than 0.05% (con-
tionuous rated power output)
No more than 0.05% (con-
tinuous 1/2 rated power output)
No more than 0.05% (1 watt per
channel power ouptut, 8ohms)
Output: SPEAKERS 4ohms minimun
HEADPHONE 8-2,000 ohms
Damping Factor:. 1000 (20 to 20,000 Hz, 8ohms)
Input Sensitivity/ Impedance:
PHONO: MC 250 uV/ 100 ohms
MM 2.5 mV/ 47 kohms
CD, TUNER 150 mV/ 33 kohms
AUX, TAPE 1,2150 mV/ 33 kohms
Overload Level (THD 0.5%, 1kHz):
PHONO: MC 17 mV
MM 160 mV
CD, TUNER 5V
AUX, TAPE 1,2 5V
Frequency Response:
PHONO 20 to 20,000 Hz, +/- 0.2 dB
(RIAA STD)
CD, TUNER 4to 100 kHz, +1.0 dB, -3.0 dB
AUX, TAPE 1,2 4to 100 kHz, +1.0 dB, -3.0 dB
Tone Control:
BASS +/- 6.0 dB (100 Hz)
TREBLE +/- 6.0 dB (10 kHz)
Signal to Noise Ratio (IHF, Anetwork):
PHONO: MC 70 dB
MM 75 dB
CD, TUNER 97 dB
AUX, TAPE 1,2 97 dB
MISCELLANEOUS
Power Requirement 120 V/ 60 Hz, 220 V/ 50 Hz,
240 V/ 50 Hz (depending on
destinations)
Power Consumption 400 watts
Dimension (overall) 440 (W) x121 (H) x347 (D) mm
17-3/8" x4-1 3/1 6" x13-1 1/1 6"
Weight (net) 10.1 kg /22.2 lbs
•Specifications and design subject to possible modifica-
tion without notice.
•‘Measured pursuant to the Federal Trade Commis-
sion’s Trade Regulation Rule or, Power Claims for
Amplifiers (applicable to the U.S.A. only).
Power Amplifier Bias Adjustment
Instruments: DC milli-voltmeter
Notes: Prior to Bias Adjustment, run about 5minutes with rated output
(8 ohm) and warm up Power Transistor and Heat Sink.
Set Volume control to minimum.
Step Coupling Adjust Adjust for
Plus Lead Minus Lead
1TP3 TP1 VR601 DC milli-voltmeter
reads 10 mV
2TP4 TP2 VR602
