Yamaha AX-1070/870 SPECIFICATIONS

SPECIFICATIONS

English

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
<AX..........................................-870>	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 ∝V
<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
<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.