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Integrated amplifiers — Yamaha A-S701
Description, images, technical data and specifications
Yamaha A-S701
Image source — © Yamaha
The A-S701 is an integrated amplifier with phono stage from Yamaha, sitting above the A-S501 with considerably greater output power. The A-S701 brings Yamaha's more accomplished current engineering to an accessible integrated chassis.
Key specs that matter
Three single-ended inputs plus a dedicated phono input are provided. Output power is 100W into 8 ohms, rising to 160W into 4 ohms - considerably more than the A-S501's 85W/120W. Frequency response spans a wide 10Hz to 100,000Hz within plus-or-minus 3dB. Signal-to-noise ratio is 99dB, matching the A-S501, with total harmonic distortion plus noise at 0.019%. Damping factor exceeds an exceptional 240, also matching. At 435 x 151 x 387mm and 11.2kg, the A-S701 shares the A-S501's chassis dimensions with a modest increase in mass.
Sound and use context
Expect surprisingly tight, controlled bass reflecting the exceptional 240 damping factor combined with the considerably greater 160W-into-4-ohms output, providing more headroom than the A-S501.
Pairing
The built-in phono input covers a turntable directly, and the exceptional 240 damping factor suits a wide variety of loudspeaker loads with excellent bass control.
Alternatives
Yamaha's own A-S501 offers a more accessible, lower-power alternative within the same broader A-S catalogue.
Key specs that matter
Three single-ended inputs plus a dedicated phono input are provided. Output power is 100W into 8 ohms, rising to 160W into 4 ohms - considerably more than the A-S501's 85W/120W. Frequency response spans a wide 10Hz to 100,000Hz within plus-or-minus 3dB. Signal-to-noise ratio is 99dB, matching the A-S501, with total harmonic distortion plus noise at 0.019%. Damping factor exceeds an exceptional 240, also matching. At 435 x 151 x 387mm and 11.2kg, the A-S701 shares the A-S501's chassis dimensions with a modest increase in mass.
Sound and use context
Expect surprisingly tight, controlled bass reflecting the exceptional 240 damping factor combined with the considerably greater 160W-into-4-ohms output, providing more headroom than the A-S501.
Pairing
The built-in phono input covers a turntable directly, and the exceptional 240 damping factor suits a wide variety of loudspeaker loads with excellent bass control.
Alternatives
Yamaha's own A-S501 offers a more accessible, lower-power alternative within the same broader A-S catalogue.
Specifications
Model name
A-S701
Type
Integrated Amplifier with Phono
Analog inputs (balanced)
N/A
Analog inputs (single-ended)
3 + 1 (Phono)
Input sensitivity (mV)
N/A
Input impedance (balanced) (Ω)
N/A
Input impedance (single-ended) (Ω)
N/A
Output impedance (balanced) (Ω)
N/A
Output impedance (single-ended) (Ω)
N/A
D/A conversion
N/A
Phono MM/MC current-sensing input impedance (Ω)
N/A
Output power (8Ω) (W)
100
Output power (4Ω) (W)
160
Gain (dBu)
N/A
Frequency response low +/- 3dB (Hz)
10
Frequency response high +/- 3dB (Hz)
100 000
Signal to Noise Ratio (dB)
99
Total Harmonic Distortion + Noise (%)
0.019
Damping factor
240
Dimensions (mm)
435 x 151 x 387
Weight (kg)
11.2
Official link
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