7 reviews

Yamaha A-S1000

$1,300.00 Released November, 2008

The Pros:Precise volume adjustments - half-dB steps. Excellent construction - damping used for all major components. Bass - produces weighty low frequencies.

The Cons:Doesn't produce true tonal neutrality and precision. Not suitable for all musical genres. Expensive - only for those with high-end audio needs.

The Yamaha A-S1000 is a hi-fi natural sound stereo amplifer falling near the top of those offered by Yamaha. This system uses a new, superior approach to analog amplifier design and inherits the high sound quality design of the flagship A-S2000 to bring out the best of other components in your system.

Where to Buy

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Some notable features include triple parallel electronic volume and tone controls and a fully discrete phono equalizer and MC head amp. It is designed using symmetrical construction and has specially designed feet.

Specifications

Minimum RMS Output Power (8 ohms, 20 Hz—20 kHz, 0.02% THD): 90 W + 90 W
Minimum RMS Output Power (4 ohms, 20 Hz—20 kHz, 0.02% THD): 140 W + 140 W
Maximum Power (8 ohms, 1 kHz, 10% THD): 115 W + 115 W
Maximum Power (4 ohms, 1 kHz, 10% THD): 190 W + 190 W
Dynamic Power/Channel (8/6/4/2 ohms) 105 W /135 W /190 W /220 W
Damping Factor (8 ohms, 20 Hz—20 kHz) 160
Input Sensitivity/Impedance, CD, etc.: 150 mV/47 k-ohms
Input Sensitivity/Impedance, Phono MM: 2.5 mV/47 k-ohms
Input Sensitivity/Impedance, Phono MC: 100 µV/50 ohms
Input Sensitivity/Impedance, Main In: 1 V/47 k-ohms
Frequency Response CD,etc. to Speaker Out, Flat Position: 5 Hz–100 kHz +0 dB/-3 dB
Frequency Response CD,etc. to Speaker Out, Flat Position 20 Hz–20 kHz,+0 dB/-0.3 dB
RIAA Equalization Deviation, Phono MM: 20 Hz–20 kHz, ±0.5 dB
RIAA Equalization Deviation, Phono MC: 20 Hz–20 kHz, ±0.5 dB
Total Harmonic Distortion (20 Hz–20 kHz), CD, etc. to Speaker Out: 0.015% (90 W/8 ohms)
Total Harmonic Distortion (20 Hz–20 kHz), Phono MM to Rec Out: 0.005% (2 V)
Total Harmonic Distortion (20 Hz–20 kHz), Phono MC to Rec Out: 0.05% (2 V)
Signal-to-Noise Ratio [IHF-A Network] CD, etc. (S: 150 mV, Input Shorted): 98 dB
Signal-to-Noise Ratio [IHF-A Network] Phono MM (S: 5 mV, Input Shorted): 93 dB
Signal-to-Noise Ratio [IHF-A Network] Phono MC (S: 500 µV, Input Shorted): 85 dB
Residual Noise: (CD, etc., IHF-A-Network)
Channel Separation(1 kHz/10 kHz) CD, etc., Input 5.1 k-ohms Terminaled: 74 dB/54 dB
Channel Separation(1 kHz/10 kHz) Phono MM, Input Shorted, Vol: -30dB 90 dB/77 dB
Channel Separation(1 kHz/10 kHz) Phono MC, Input Shorted, Vol: -30dB 66 dB/65 dB
Bass Boost/Cut (at 50 Hz): ±9 dB
Bass Turnover Frequency: 350 Hz
Treble Boost/Cut (at 20 Hz): ±9 dB
Treble Turnover Frequency: 3.5 kHz
Audio Muting: -20 dB (approx.)
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 kg, 48.5 lbs.