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アンプ Yamaha AX-870のPDF オーナーズマニュアルをオンラインで閲覧またはダウンロードできます。Yamaha AX-870 16 ページ。 Natural sound stereo integrated amplifier

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Yamaha AX-870 オーナーズマニュアル

SPECIFICATIONS

Minimum RMS Output Power per Channel
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AX-1070
8 ohms, 20 Hz to 20 kHz, 0.01% THD
...............................................145W+145W
6 ohms, 20 Hz to 20 kHz, 0.02% THD
...............................................185W+185W
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AX-870
8 ohms, 20 Hz to 20 kHz, 0.015% THD
...............................................110W+110W
6 ohms, 20 Hz to 20 kHz, 0.03% THD
...............................................130W+130W
Dynamic Power per Channel
(by IHF Dynamic Headroom measuring
method)
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AX-1070
8/6/4/2 ohms.................220/290/360/460W
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AX-870
8/6/4/2 ohms.................150/200/250/330W
DIN Standard Output Power per Channel
[Europe model only]
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AX-1070
(4 ohms, 1 kHz, 0.7% THD) ..............250W
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AX-870
(4 ohms, 1 kHz, 0.7% THD) ..............185W
Dynamic Headroom [General model only]
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AX-1070
8/6 ohms ...........................1.81 dB/1.95 dB
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AX-870
8/6 ohms ...........................1.35 dB/0.97 dB
IEC Power (8 ohms, 1 kHz, 0.01% THD)
[Europe model only]
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AX-1070
.......................................170W
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AX-870
.........................................125W
Power Band Width
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AX-1070
8 ohms, 72.5W, 0.03% THD
..........................................10 Hz to 50 kHz
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AX-870
8 ohms, 55W, 0.03% THD
..........................................10 Hz to 50 kHz
Damping Factor
8 ohms, 20 Hz–20 kHz
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AX-1070
................................350 or more
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AX-870
..................................320 or more
Input Sensitivity/Impedance
PHONO MM .....................2.5 mV/47 k-ohms
PHONO MC ......................160 µV/220 ohms
CD/TUNER/TAPE/AUX
........................................150 mV/47 k-ohms
MAIN IN
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AX-1070
..........................1.0V/47 k-ohms
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AX-870
............................0.9V/47 k-ohms
Maximum Input Signal (1 kHz, 0.01% THD)
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AX-1070
PHONO MM......................................170 mV
PHONO MC .....................................13.5 mV
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AX-870
PHONO MM......................................160 mV
PHONO MC .....................................12.5 mV
Output Level/Impedance
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AX-1070
REC OUT ....................150 mV/2.2 k-ohms
PRE OUT..........................1.0V/1.8 k-ohms
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AX-870
REC OUT ....................150 mV/2.2 k-ohms
PRE OUT..........................1.0V/1.6 k-ohms
Maximum Voltage Output
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AX-1070
20 Hz to 20 kHz, 0.02% THD ..............6.5V
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AX-870
20 Hz to 20 kHz, 0.01% THD ..............1.4V
Headphone Jack Rated Output/ Impedance
Output Level (8 ohms, 1 kHz, 0.015% THD)
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AX-1070
..........................................1.05V
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AX-870
..............................................0.5V
Impedance
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AX-1070
...................................220 ohms
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AX-870
.....................................470 ohms
Frequency Response (20 Hz to 20 kHz)
CD/TUNER/TAPE/AUX ....................0±0.5 dB
MAIN IN...........................................0±0.5 dB
RIAA Equalization Deviation (20 Hz to 20 kHz)
PHONO MM......................................±0.3 dB
PHONO MC ......................................±0.5 dB
Total Harmonic Distortion (20 Hz to 20 kHz)
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AX-1070
PHONO MM to REC OUT (3V) ......0.003%
PHONO MC to REC OUT (3V).......0.007%
CD/TUNER/TAPE/AUX to PRE OUT (1V)
........................................................0.004%
CD/TUNER/TAPE/AUX to SP OUT
(72.5W/8 ohms) ..............................0.007%
MAIN IN to SP OUT
(72.5W/8 ohms) ..............................0.005%
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AX-870
PHONO MM to REC OUT (3V) ......0.003%
PHONO MC to REC OUT (3V).......0.007%
CD/TUNER/TAPE/AUX to PRE OUT (1V)
........................................................0.005%
CD/TUNER/TAPE/AUX to SP OUT
(55W/8 ohms) .................................0.008%
MAIN IN to SP OUT
(55W/8 ohms) .................................0.006%
Signal-to-Noise Ratio (IHF-A Network)
PHONO MM (5 mV Input Shorted)
............................................................ 92 dB
PHONO MC (500 µV Input Shorted)
............................................................ 75 dB
CD/TUNER/TAPE/AUX (Input Shorted)
(PURE DIRECT; ON) ..................... 110 dB
Residual Noise (IHF-A Network)
(PURE DIRECT; ON)
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AX-1070
..........................................35 V
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AX-870
............................................80 V
Channel Separation (Vol. –30 dB)
PHONO MM/MC (Input Shorted
1 kHz/10 kHz) .........................70 dB/55 dB
CD/TUNER/TAPE/AUX (Input 5.1 k-ohms
Terminated 1 kHz/10 kHz) ......65 dB/50 dB
Tone Control Characteristics
BASS:
Boost/cut ............................±10 dB (20 Hz)
Turnover Frequency
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AX-1070
...........................200, 400 Hz
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AX-870
.....................................350 Hz
TREBLE:
Boost/cut...........................±10 dB (20 kHz)
Turnover Frequency
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AX-1070
..............................2.5, 5 kHz
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AX-870
....................................3.5 kHz
Filter Characteristics
SUBSONIC FILTER .........15 Hz, –18 dB/oct
Continuous Loudness Control
(Level related equalization)
Attenuation
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AX-1070
........................–40 dB (1 kHz)
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AX-870
..........................–30 dB (1 kHz)
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Audio Muting
AX-1070 only
.............–20 dB
Gain Tracking Error (0 to –60 dB) ............2 dB
Power Supply
[Australia and U.K. models]
..........................................AC 240V, 50 Hz
[Europe model]..................AC 230V, 50 Hz
[General model]
................AC 110/120/220/240V, 50/60 Hz
Power Consumption
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AX-1070
..........................................370W
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AX-870
............................................270W
AC Outlets
[Europe and General models]
3 SWITCHED OUTLETS
..........................................200W max. total
[Australia and U.K. models]
1 SWITCHED OUTLET
..........................................200W max. total
Dimensions (W x H x D)
......................................435 x 171 x 448 mm
(17-1/8" x 6-3/4" x 17-5/8")
Weight
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AX-1070
................18.3 kg (40 lbs. 4 oz.)
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AX-870
................14.0 kg (30 lbs. 13 oz.)
Accessories ...........Remote control transmitter
Specifications subject to change without
notice.
Batteries
15
15