SKU: 49329220098

NP1 Power Amplifier

Sale price$539.55 Regular price$599.50
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Description

NP1 Power AmplifierThe NP1 Power Amplifier is the first stereo power amplifier to use Audio by Van Alstine's class defining Advanced Nested Architecture (ANA). The NP1 Power Amplifier oozes with the transparency, dynamic range, linearity, and pure music for which Audio by Van Alstine is known. Listen to all of your recordings again and you will hear acoustic space and musical nuance in a much more real and involving way. The cost is lower and the performance much higher

The NP1 Power Amplifier is the first stereo power amplifier to use Audio by Van Alstine's class-defining Advanced Nested Architecture (ANA).

The NP1 Power Amplifier oozes with the transparency, dynamic range, linearity, and pure music for which Audio by Van Alstine is known. Listen to all of your recordings again and you will hear acoustic space and musical nuance in a much more real and involving way. The cost is lower and the performance much higher than you have any right to expect.

Amplifier Circuits

The NP1 Power Amplifier uses our Advanced Nested Architecture (ANA) technology to deliver stunning linearity and sound quality previously unimaginable at its price. It generates up to 55 watts per channel into 8Ω and is suitable for nominal 4Ω loads and up.

ANA is a major advancement in audio power amplifiers that brings you ever closer to the original source. Unlike more conventional class AB amplifiers, ANA employs two independent control mechanisms to manage circuit nonlinearities. The first mechanism provides the kind of correction found in typical class AB audio amplifiers. To this, ANA adds a second global correction circuit that reduces nonlinearities to the vanishing point. We are confident that you will find the results exhilarating.

Power Supply Circuits

To fully support the incredible dynamic range, bass extension, and transient detail the NP1 Power Amplifier's audio circuits are capable of, the amplifier uses a linear power supply based around a high-capacity toroidal power transformer. All of the power supply parts are selected for long life and reliability and operate well within their technical specification ratings.

Additional Information

The NP1 Power Amplifier operates with standard 120V AC power. It has an IEC power socket, and we include a 120V IEC power cord. We don't recommend using the NP1 with unbuffered "passive preamplifiers" or other sources with an output impedance greater than 1kΩ.

Specifications

Power output: 55 watts per channel into 8Ω. 85 watts per channel into 4Ω.
Inputs: One line-level stereo input on gold-plated RCA jacks.
Input impedance: 50kΩ
Maximum source impedance: 1kΩ. Not suitable for use with unbuffered "passive preamplifiers."
Amplifier gain: 26.3dB
Dimensions: 17" wide, 12" deep, 3.5" high. Shipping weight is 20 pounds.

Reviews

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 49329220098

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Ruby L.
Grantham, US
★★★★★ 5
Unique watch for sure
Color: Silver, Size: 15MM
So good, so cute. The face is pretty small but what do you want from a ring watch? I would say it is not for bigger fingers. I wear a size 7.5 and it fits perfectly. It does have an elastic band but when I tried it on a larger finger, it definitely pinched. I am of fan of different watches so this fits the bill. It's unique and an eye-catcher. Well done Fossil.
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Reviewed in the United States on October 7, 2025
A
Verified Purchase
Amazon Customer
Charlottesville, US
★★★★★ 5
Pretty. Tiny. Hopefully has good battery life. UPDATE: The silver one was defective.
Color: Gold Raquel, Size: 14MM, Color: Gold Raquel, Size: 14MM
I bought both the gold and the silver ones. I have a collection of ring watches but most of them are sets you can buy for cheap. These are my first made by a well known watch company. They look big on picture but they are tiny. I bought it so when my smartwatch dies I have one on my ring to tell the time. I don't like going on my phone to check the time just to avoid distractions. I hope the battery lasts long. Updated review: I started using the gold one and it works great! The silver one wasn't working so I processed a return for it. However when they shipped the replacement, there was nothing inside the tin can fossil case. I called Amazon and they refunded me for the silver one. The product works great. I probably got a defective one. My fear is maybe someone took the ring before packing it for replacement. That's just wrong. I'm going to get the silver one from Macy's instead.
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Reviewed in the United States on October 13, 2024
S
Verified Purchase
Ss in calif
Dallas, US
★★★★★ 5
Worth the money
Color: Gold Glitz, Size: 15MM
Beautiful watch ring. Looks more expensive than what the price. Very nice.
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Reviewed in the United States on March 12, 2026
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Verified Purchase
Amazon Customer
Cuba, US
★★★★★ 1
Cheaply made
Color: Gold Glitz, Size: 15MM
I really love the concept and honestly it’s super cute BUT the diamond around the face of the watch fell off within the first wear:/ so unfortunate because it has so much potential.
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Reviewed in the United States on September 15, 2025
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Verified Purchase
T. Hudson
Dallas, US
★★★★★ 3
Beautiful watch, great packaging, but didn’t work.
Color: Silver, Size: 15MM
I love my ring watch so much that this is my second one (I washed my first one 😩). I ordered the ring on Wednesday and I got it Friday. I was so happy to get it, great packaging and fast delivery imagine how hurt I was when it didn’t work. I am gonna try to get a new battery and I pray that works but with the price being 80 plus dollars this should have never been a problem.
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Reviewed in the United States on April 26, 2026

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