Yamaha AX-497 用户手册

SPECIFICATIONS

POWER SECTION

• Minimum RMS Output Power

Ω , 20 Hz to 20 kHz, 0.019% THD)

[AX-497] .............................................................. 85 W + 85 W
[AX-397] .............................................................. 60 W + 60 W

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 REC OUT

(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 .................................................................. 2.5 mV/47 k

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

• Output Level/Output Impedance

REC OUT

[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

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

• 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

(17-1/8” x 5-15/16” x 15-11/32”)

• Weight

[AX-497] ...................................................... 9.1 kg (20 lbs. 1 oz.)
[AX-397] ...................................................... 8.3 kg (18 lbs. 5 oz.)

* Specifications are subject to change without notice.

SPECIFICATIONS