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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 µV
<AX-870>............................................80 µV
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.