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Yamaha A-S501SL Natural Sound Integrated Stereo Amplifier (Silver)

Yamaha A-S501SL Natural Sound Integrated Stereo Amplifier (Silver)

Q: Why usually a stereo amplifier costs more than a stereo receiver with much more options and similar spec?

Right now, Amazon has the RS500 for about $200 less than the AS501. Given the similar model designations, you might think the "RS" designator is the receiver version of this integrated. However, dig into the specs, and you'll see it's not the case. This unit has higher RMS power (85 W vs 75W), lower distortion (0.019 vs 0.04), and specs like peak power, SNR, and freq response are not provided for the receiver (presumably because they're not worth noting). You also need to look at how power is calculated. Manufacturers are notorious for cheating AV receiver specs by reporting power over very narrow bandwidths (sometimes just a single freq!) whereas the power for this integrated unit is over the entire usable bandwidth. So, in short, the specs are not identical.

Q: Do these amps have a quality headphone amplifier that would be able to properly drive headphones with a somewhat high impedance? Ex. Sennheiser HD 650

The headphone jack is connected through a voltage divider to the output of the power amp and its impedance is about 450 ohms. This guarantees that HD650 will have a bump in the vicinity of 100 Hz, the headphones’ resonance frequency, which will be hard to correct with the amplifier’s bass control. For headphones, I have a separate DAC/Amp pair (Topping D30 and JDS Atom).

Q: Does the Yamaha A-S501 have a pre-amp out? If not, can one of its two recorder-outputs be used in lieu of a pre-amp out?

The above answers are somewhat confusing, here's a straight forward answer : IF the external amp is a 'power amplifier', the answer is NO, you cannot use the rec out output as a preamplifier. Power amps always output at the rated power, say 300 watts rms. You will blow yr speakers. Examples of power amps would be the Crown XLS and the Benchmark AHB2. They have no controls, and you need a true preamp to use them. Not this unit. Now, if the external amp is a 'variable amplifier', the answer is YES, you can use the rec out as a makeshift preamplifier. Variable amps always have a volume knob, or control, which, of course, controls the power of the amp. A good example of this would be the Topping LA90, one of the best made. Keep in mind that if you decide to use the rec out output, you will bypass the tone controls and volume of the integrated amp. And yes, the phono input and selector switch will work just fine, no worries. Finally, the AS501 is a splendid unit, why use an external amp at all? If you need more power, simply buy the 701 or 801 and sell that external amp! Anyway, hope this helps.

Q: Are the knobs plastic or metal?

All knobs are plastic. I own this unit.

产品编号: 374847890

安全交易

细节

Brand
Yamaha
Speaker maximum output power
85 Watts
Connectivity technology
Coaxial
Audio output mode
Stereo
Mounting type
Plug Mount

📡Digital Connectivity

🔊85W Power

🎚️Gold Inputs

经常一起购买

YAMAHA A-S501SL Natural Sound Integrated Stereo Amplifier (Silver)

WiiM Mini AirPlay 2 Wireless Audio Streamer, Multiroom Stereo, Preamplifier, Works with Alexa and Siri Voice Assistants, Stream Hi-Res Audio from Spotify, Amazon Music and More

WiiM Pro AirPlay 2 Receiver, Google Cast Audio, WiFi Multiroom Streamer, Compatible with Alexa, Siri and Google Assistant, Stream Hi-Res Audio from Spotify, Amazon Music, Tidal and More

描述

🎶 Elevate Your Audio Game!

SLEEK AESTHETIC - Elevate your space with a stylish silver finish that complements any decor.
UNLEASH YOUR SOUND - Experience 85W of pure audio power for an immersive listening experience.
PRECISION ENGINEERING - Designed for audiophiles, delivering crystal-clear sound with minimal distortion.
VERSATILE SPEAKER OPTIONS - Connect multiple speakers with A, B, or A+B configurations for ultimate flexibility.
GOLD STANDARD CONNECTIVITY - Enjoy superior sound quality with gold-plated digital and analog inputs.

The Yamaha A-S501SL Natural Sound Integrated Stereo Amplifier delivers 85W per channel, featuring gold-plated digital and analog inputs for superior connectivity and sound quality. With versatile speaker configurations and a sleek design, it's the perfect addition for any audio enthusiast.

规格

Number of Batteries	2 AAA batteries required. (included)
Power Source	AC
Speaker Maximum Output Power	85 Watts
Compatible Devices	Smartphone, Tablet, MP3 Player, Desktop, Television, Projector, Laptop
Speaker Size	54.13 Centimeters
Water Resistance Level	Not Water Resistant
Specific Uses For Product	home audio systems, home theaters
Controller Type	Remote Control
Color	Silver
Is Waterproof	FALSE
Warranty Type	Limited
Control Method	Remote
Audio Output Mode	Stereo
Mounting Type	Plug Mount
Material Type	Metal
Additional Features	Hi Res Audio
Recommended Uses For Product	For Surround Sound Systems
Item Weight	22.7 Pounds
Item Dimensions D x W x H	15.25"D x 17.12"W x 6"H
Unit Count	1.0 Count
Signal-to-Noise Ratio	99 dB
Battery Charge Time	20 Hours
Connectivity Protocol	analog
Wireless Technology	Optical
Connectivity Technology	RCA, Optical
Audio Driver Type	Dynamic Driver

有问题吗？看看别人问了什么

Why usually a stereo amplifier costs more than a stereo receiver with much more options and similar spec?

Do these amps have a quality headphone amplifier that would be able to properly drive headphones with a somewhat high impedance? Ex. Sennheiser HD 650

Does the Yamaha A-S501 have a pre-amp out? If not, can one of its two recorder-outputs be used in lieu of a pre-amp out?

Are the knobs plastic or metal?

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