Yamaha A-S2000 User's Manual | Page 20

Yamaha Amplifiers User's Manual - A-S2000.
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20 En

Specifications

POWER SECTION
• Minimum RMS Output Power

(8 

Ω , 20 Hz to 20 kHz, 0.02% THD) ...................... 90 W + 90 W

(4 

Ω , 20 Hz to 20 kHz, 0.02% THD) .................. 150 W + 150 W

• Dynamic Power (IHF) (8/6/4/2 

Ω) ...................  105/135/190/220 W

• Maximum Output Power

(1 kHz, 0.7% THD, 4 

Ω) [U.K. and Europe models only]

..........................................................................................  160 W

• Maximum Useful Output Power (JEITA)

(1 kHz, 10% THD, 8/4 

Ω)

[Asia, General, China and Korea models only]  .......  120/190 W

• Dynamic Headroom

Ω ..................................................................................... 0.67 dB

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

(1 kHz, 0.02% THD, 8/4 

Ω)............................................ 95/155 W

• Damping Factor

1 kHz, 8 

Ω ................................................................................ 160

• Maximum Input Signal

CD BAL, CD, etc. .................................................................  2.8 V
PHONO MM (1 kHz) ........................................................ 120 mV
PHONO MC (1 kHz)  ............................................................ 7 mV

• Frequency Response

CD, etc. (Flat Position, 5 Hz to 100 kHz)  ......................  +0/

−3 dB

CD, etc. (Flat Position, 20 Hz to 20 kHz)  ................... +0/

−0.3 dB

• RIAA Equalization Deviation

PHONO MM (20 Hz to 20 kHz) ......................................  ±0.5 dB
PHONO MC (20 Hz to 20 kHz) .......................................  ±0.5 dB

• Total Harmonic Distortion

CD BAL to SP OUT 

(20 Hz to 20 kHz, 90 W/8 

Ω) ............................................. 0.01%

CD, etc. to SP OUT 

(20 Hz to 20 kHz, 90 W/8 

Ω) ........................................... 0.015%

PHONO MM to REC

(20 Hz to 20 kHz, 2 V

) ..................................................... 0.005%

PHONO MC to REC

(20 Hz to 20 kHz, 2 V

) ....................................................... 0.05%

• Intermodulation Distortion

CD, etc. to SP OUT

(Rated output/8 

Ω) .............................................................0.02%  

• Signal to Noise Ratio (IHF-A Network)

CD, etc. (150 mV, Input shorted)  ..........................................98 dB
PHONO MM (5 mV, Input shorted)  .....................................93 dB
PHONO MC (500 µV,  Input shorted)  ..................................85 dB

• Residual Noise (IHF-A Network) (CD, etc.) ..........................  33 µV

CONTROL SECTION
• Input Sensitivity/Input Impedance

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

MM  ......................................................................... 2.5 mV/47 k

MC  ...........................................................................  100 µV/50 

MAIN IN  ...................................................................... 1 V/47 k

• Output Level/Output Impedance

REC OUT  ............................................................. 150 mV/1.5 k

PRE OUT ..................................................................... 1 V/1.5 k

• Headphone Rated Output

1 kHz, 32 

Ω , 0.2% THD ................................................... 30 mW

• Channel Separation

CD, etc. (5.1 k

Ω Terminated, 1/10 kHz)  ........................ 74/54 dB

PHONO MM (Input shorted, 1 kHz/10 kHz, Vol.:

−30 dB)

    ....................................................................................... 90/77 dB
PHONO MC (Input shorted, 1 kHz/10 kHz, Vol.:

−30 dB)

    ....................................................................................... 66/77 dB

• Tone Control Characteristics

BASS 

Boost/Cut (50 Hz) .............................................................  ±9 dB
Turnover Frequency ........................................................  350 Hz

TREBLE 

Boost/Cut (20 kHz) ...........................................................  ±9 dB
Turnover Frequency .......................................................  3.5 kHz

• Audio muting.........................................................  –20 dB (approx.)

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] ....................................................  AC 220 V, 60 Hz
[Australia model] ...............................................  AC 240 V, 50 Hz
[U.K. and Europe models] .................................  AC 230 V, 50 Hz

• Power consumption ................................................................  350 W

• Idling power consumption ......................................................... 80 W

• Off-state power consumption ...................................................... 0 W

• Dimensions (W x H x D)  ................................. 435 x 137 x 465 mm

(17-1/8” x 5-3/8” x 18-5/16”)

• Weight ....................................................................  22.7 kg (50 lbs.)

* Specifications are subject to change without notice.

01EN_03_Add_A-S2000_G.fm  Page 20  Wednesday, August 6, 2008  1:06 PM

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