Yamaha AX-397: SPECIFICATIONS

SPECIFICATIONS

18

POWER SECTION

• Minimum RMS Output Power

(8 

Ω 

, 20 Hz to 20 kHz, 0.019% THD)

[AX-497] ..............................................................  85 W + 85 W

[AX-397] ..............................................................  60 W + 60 W

(6 

Ω 

, 20 Hz to 20 kHz, 0.038% THD)

[AX-497] ..........................................................  100 W + 100 W

[AX-397] ..............................................................  70 W + 70 W

• Dynamic Power (IHF) (8/6/4/2 

Ω

)

[AX-497] .......................................................  130/150/185/220 W

[AX-397] .......................................................  100/120/140/150 W

• Maximum Output Power

(1 kHz, 0.7% THD, 4 

Ω

) [U.K. and Europe models only]

[AX-497] .........................................................................  120 W

[AX-397] ...........................................................................  95 W

(1 kHz, 10% THD, 8/6 

Ω

)

[AX-497] 

[Asia, General, China and Korea models only]  ....  130/150 W

[AX-397] 

[Asia, General and China models only]  ................  100/110 W

• IEC Output Power [U.K. and Europe models only]

(1 kHz, 0.019% THD, 8 

Ω

)

[AX-497] .........................................................................  100 W

[AX-397] ...........................................................................  75 W

• Power Band Width

[AX-497] (0.04% THD, 42.5 W, 8 

Ω

)  .................10 Hz to 50 kHz

[AX-397] (0.04% THD, 30 W, 8 

Ω

)  ....................10 Hz to 50 kHz

• Damping Factor

20 Hz to 20 kHz, 8 

Ω 

..................................................240 or more

• Maximum Input Signal

PHONO (1 kHz, 0.003% THD)  .......................... 115 mV or more

CD, etc. (1 kHz, 0.5% THD) ................................... 2.2 V or more

• Frequency Response

CD, etc. (20 Hz to 20 kHz)  ..........................................  0 ± 0.5 dB

CD/DVD DIRECT AMP ON (10 Hz to 100 kHz)  ......  0 ± 1.0 dB

• RIAA Equalization Deviation

PHONO ...........................................................................  ± 0.3 dB

• Total Harmonic Distortion

PHONO to OUT (REC)

(20 Hz to 20 kHz, 3 V

) 

.......................................... 0.003% or less

CD, etc. to SP OUT 

(20 Hz to 20 kHz, 42.5 W, 8 

Ω

)

............................. 0.009% or less

• Signal to Noise Ratio (IHF-A Network)

PHONO (input shorted)  .......................................... 88 dB or more

CD (input shorted) 

CD/DVD DIRECT AMP ON  ............................ 110 dB or more

• Residual Noise (IHF-A Network)

[AX-497]

CD/DVD DIRECT AMP ON  ..........................................  35 µV

PURE DIRECT ON  .........................................................  90 µV

[AX-397]

CD/DVD DIRECT AMP ON  ..........................................  35 µV

CD/DVD DIRECT AMP OFF .......................................  100 µV

CONTROL SECTION

• Input Sensitivity/Input Impedance

PHONO  .................................................................. 3.0 mV/47 k

Ω

CD, etc. .................................................................. 150 mV/47 k

Ω

• Output Level/Output Impedance

OUT (REC)

[AX-497]  ...............................................  195 mV/1.6 k

Ω

 or less

[AX-397]  ...............................................  165 mV/1.6 k

Ω

 or less

• Headphone Output/Impedance

CD, etc. (Input 1 kHz, 150 mV, 8 

Ω

 , 0.019% THD)

[AX-497]  ................................................................ 0.3 V/680 

Ω

[AX-397] .............................................................. 0.25 V/680 

Ω

• Channel Separation

CD, etc. (5.1 k

Ω

 input shorted, 1/10 kHz)  .......  65/50 dB or more

• Tone Control Characteristics

BASS 

Boost/Cut (20 Hz) ........................................................... ±10 dB

Turnover Frequency ........................................................  350 Hz

TREBLE 

Boost/Cut (20 kHz) ......................................................... ±10 dB

Turnover Frequency .......................................................  3.5 kHz

• Continuous Loudness Control

Attenuation (1 kHz) ...........................................................  –30 dB

GENERAL

• Power Supply

[U.S.A. and Canada models]  .............................  AC 120 V, 60 Hz

[Asia model]  .................................. AC 220/230–240 V, 50/60 Hz

[General model] ............... AC 110/120/220/230–240 V, 50/60 Hz

[China model] ....................................................  AC 220 V, 50 Hz

[Korea model] (AX-497 only)............................  AC 220 V, 60 Hz

[Australia model] ...............................................  AC 240 V, 50 Hz

[U.K. and Europe models] .................................  AC 230 V, 50 Hz

• Power Consumption

[AX-497]

[U.S.A. and Canada models]  .............................  220 W, 300 VA

[Asia model]  ....................................................................  190 W

[Other models] .................................................................  220 W

[AX-397] ............................................................................  170 W

• Standby Power Consumption

[Asia and General models]

(110/120 V)......................................................................... 1.1 W

(220/230-240 V) ................................................................. 2.7 W

[Other models] .....................................................................  1.1 W

(The power consumption is 0 W when the POWER switch is 

released outward to the OFF position.)

• Maximum Power Consumption [General models only]

(1 kHz, 6 

Ω

 , 10% THD)

[AX-497] .........................................................................  490 W

[AX-397] .........................................................................  400 W

• AC Outlets

[U.K. and Australia models] ............... 1 (Total 100 W maximum)

[Korea model] .......................................................................  None

[General model]...................................... 3 (Total 50 W maximum)

[Other models] .................................... 3 (Total 100 W maximum)

• Dimensions (W x H x D) ................................. 435 x 151 x 390 mm

• Weight

[AX-497] ............................................................................. 9.1 kg

[AX-397] ............................................................................. 8.3 kg

* Specifications are subject to change without notice.

SPECIFICATIONS