33
A-307R, A-207R
Amplifier Section
Continuous power output
(both channels driven at 20 Hz to 20 kHz)
∗∗
[A-307R]
T.H.D. 0.1 %, 8
Ω
..................................... 45 W + 45 W
∗
T.H.D. 0.15 %, 4
Ω
................................... 65 W + 65 W
∗
[A-207R]
T.H.D. 0.1 %, 8
Ω
..................................... 35 W + 35 W
∗
T.H.D. 0.15 %, 4
Ω
................................... 45 W + 45 W
∗
DIN Continuous power output
(both channels driven at 1 kHz)
[A-307R]
T.H.D. 1.0 %, 8
Ω
...................................... 55 W + 55 W
T.H.D. 1.0 %, 4
Ω
...................................... 80 W + 80 W
[A-207R]
T.H.D. 1.0 %, 8
Ω
...................................... 45 W + 45 W
T.H.D. 1.0 %, 4
Ω
...................................... 60 W + 60 W
Total harmonic distortion
∗∗
[A-307R]
20 Hz to 20 kHz, 22.5 W, 8
Ω
............................ 0.08 %
∗
[A-207R]
20 Hz to 20 kHz, 17.5 W, 8
Ω
............................ 0.08 %
∗
÷
Power output specification is for when power supply is
230V.
Input sensitivity/impedance
PHONO (MM) ........................................... 2.8 mV/50 k
Ω
CD, TUNER, LINE, TAPE 1/MD, TAPE 2 MONITOR
.................................................................. 200 mV/50 k
Ω
PHONO (MM) overload level
1 kHz, T.H.D. 0.1 % ............................................ 150 mV
Output level/impedance
TAPE 1 REC, TAPE 2 MONITOR REC ..... 200 mV/1 k
Ω
Frequency response
PHONO (MM) ......................... 20 Hz to 20 kHz,
±
0.5 dB
CD, TUNER, LINE, TAPE 1/MD, TAPE 2 MONITOR
.................................................... 5 Hz to 100 kHz,
+0
–3
dB
∗
Tone control
BASS .......................................................
±
8 dB (100 Hz)
TREBLE ...................................................
±
8 dB (10 kHz)
Loudness contour (volume control set at –30 dB position)
........................................ +6 dB (100 Hz)/+4 dB (10 kHz)
Signal-to-Noise ratio (IHF short circuit, A network)
PHONO (MM, 5 mV input) ................................... 85 dB
∗
CD, TUNER, LINE, TAPE 1/MD, TAPE 2 MONITOR
............................................................................ 106 dB
∗
Signal-to-Noise ratio (DIN, continuous power/50 mW)
PHONO (MM) ............................................. 71 dB/67 dB
∗
CD, TUNER, LINE, TAPE 1/MD, TAPE 2 MONITOR
................................................................... 91 dB/71 dB
∗
Power Supply/Miscellaneous
Power requirements ................... AC 220 – 230 V, 50/60 Hz
Power consumption
[A-307R] ................................................................ 140 W
[A-207R] ................................................................ 130 W
Dimensions (including knobs and other protruding parts)
...................................... 420 (W) x 114 (H) x 307 (D) mm
Weight (without package)
[A-307R] ................................................................. 5.9 kg
[A-207R] ................................................................. 4.7 kg
Accessories
Remote control unit ............................................................. 1
Batteries (AA/R6P) .............................................................. 2
Power cord (Rated current 2.5 A) ....................................... 1
Operating instructions ......................................................... 1
Warranty card ..................................................................... 1
NOTE:
Specifications and design are subject to possible modifica-
tions without notice, due to improvements.
∗
Measured with DIRECT button set to on.
∗∗
Measured by Audio Spectrum Analyzer.
8.2 SPECIFICATIONS
