Yamaha AX-870 Owner's Manual - Page 15
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English SPECIFICATIONS Minimum RMS Output Power per Channel 8 ohms, 20 Hz to 20 kHz, 0.01% THD 145W+145W 6 ohms, 20 Hz to 20 kHz, 0.02% THD 185W+185W 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) 8/6/4/2 ohms 220/290/360/460W 8/6/4/2 ohms 150/200/250/330W DIN Standard Output Power per Channel [Europe model only] (4 ohms, 1 kHz, 0.7% THD 250W (4 ohms, 1 kHz, 0.7% THD 185W Dynamic Headroom [General model only] 8/6 ohms 1.81 dB/1.95 dB 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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English
15
SPECIFICATIONS
Minimum RMS Output Power per Channel
<
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
<
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)
<
AX-1070
>
8/6/4/2 ohms
.................
220/290/360/460W
<
AX-870
>
8/6/4/2 ohms
.................
150/200/250/330W
DIN Standard Output Power per Channel
[Europe model only]
<
AX-1070
>
(4 ohms, 1 kHz, 0.7% THD)
..............
250W
<
AX-870
>
(4 ohms, 1 kHz, 0.7% THD)
..............
185W
Dynamic Headroom [General model only]
<
AX-1070
>
8/6 ohms
...........................
1.81 dB/1.95 dB
<
AX-870
>
8/6 ohms
...........................
1.35 dB/0.97 dB
IEC Power (8 ohms, 1 kHz, 0.01% THD)
[Europe model only]
<
AX-1070
>
.......................................
170W
<
AX-870
>
.........................................
125W
Power Band Width
<
AX-1070
>
8 ohms, 72.5W, 0.03% THD
..........................................
10 Hz to 50 kHz
<
AX-870
>
8 ohms, 55W, 0.03% THD
..........................................
10 Hz to 50 kHz
Damping Factor
8 ohms, 20 Hz–20 kHz
<
AX-1070
>
................................
350 or more
<
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
<
AX-1070
>
..........................
1.0V/47 k-ohms
<
AX-870
>
............................
0.9V/47 k-ohms
Maximum Input Signal (1 kHz, 0.01% THD)
<
AX-1070
>
PHONO MM
......................................
170 mV
PHONO MC
.....................................
13.5 mV
<
AX-870
>
PHONO MM
......................................
160 mV
PHONO MC
.....................................
12.5 mV
Output Level/Impedance
<
AX-1070
>
REC OUT
....................
150 mV/2.2 k-ohms
PRE OUT
..........................
1.0V/1.8 k-ohms
<
AX-870
>
REC OUT
....................
150 mV/2.2 k-ohms
PRE OUT
..........................
1.0V/1.6 k-ohms
Maximum Voltage Output
<
AX-1070
>
20 Hz to 20 kHz, 0.02% THD
..............
6.5V
<
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)
<
AX-1070
>
..........................................
1.05V
<
AX-870
>
..............................................
0.5V
Impedance
<
AX-1070
>
...................................
220 ohms
<
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)
<
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%
<
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)
<
AX-1070
>
..........................................
35
μ
V
<
AX-870
>
............................................
80
μ
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
<
AX-1070
>
...........................
200, 400 Hz
<
AX-870
>
.....................................
350 Hz
TREBLE:
Boost/cut
...........................
±10 dB (20 kHz)
Turnover Frequency
<
AX-1070
>
..............................
2.5, 5 kHz
<
AX-870
>
....................................
3.5 kHz
Filter Characteristics
SUBSONIC FILTER
.........
15 Hz, –18 dB/oct
Continuous Loudness Control
(Level related equalization)
Attenuation
<
AX-1070
>
........................
–40 dB (1 kHz)
<
AX-870
>
..........................
–30 dB (1 kHz)
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
<
AX-1070
>
..........................................
370W
<
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
<
AX-1070
>
................
18.3 kg (40 lbs. 4 oz.)
<
AX-870
>
................
14.0 kg (30 lbs. 13 oz.)
Accessories
...........
Remote control transmitter
Batteries
Specifications subject to change without
notice.