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SPECIFICATIONS

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
18
SPECIFICATIONS
CONTROL SECTION
• Input Sensitivity/Input Impedance
PHONO .................................................................. 3.0 mV/47 kΩ
CD, etc. .................................................................. 150 mV/47 kΩ
• Output Level/Output Impedance
OUT (REC)
[AX-497] ............................................... 195 mV/1.6 kΩ or less
[AX-397] ............................................... 165 mV/1.6 kΩ 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 kΩ 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.

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