SKU: 97587317604

Demo CA1 Control Amplifier

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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22

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Description

Demo CA1 Control AmplifierSave 10% off of new with this demo unit. The CA1 Control Amplifier is a next generation complete amplifier system using our newly developed Advanced Nested Architecture (ANA). You only need to add a turntable, DAC, or similar source and a set of loudspeakers (or headphones) to create a fully functional music system. The CA1 Control Amplifier oozes with the transparency, dynamic range, linearity, and pure music for which Audio by Van Alstine is known.

Save 10% off of new with this demo unit.

The CA1 Control Amplifier is a next-generation complete amplifier system using our newly developed Advanced Nested Architecture (ANA). You only need to add a turntable, DAC, or similar source and a set of loudspeakers (or headphones) to create a fully functional music system.

The CA1 Control 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.

Features

The CA1 control amplifier is one of the first products to use our ANA technology,  delivering 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.

A high-performance moving magnet phono preamplifier is standard, as is an equally high-performance headphone amplifier with a 1/4" headphone output. It has four gold-plated RCA inputs, one of which for phono use. The speaker outputs are heavy-duty 5-way binding posts.

Remote control is provided for power, volume, and muting. A 12V trigger output is also provided for those wanting to use the amplifier in highly integrated system setups.

Amplifier Circuits

Our Advanced Nested Architecture (ANA) technology 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 CA1 Control 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 CA1 Control Amplifier operates with standard 120V AC power. It has an IEC power socket, and we include a 120V IEC power cord.

Specifications

Power output: 55 watts per channel into 8Ω. 85 watts per channel into 4Ω.
Inputs: Three line-level stereo inputs and one stereo moving magnet phono input on gold-plated RCA jacks.
Input impedance: 47 kΩ (phono and line inputs)
Maximum system gain: 36.4dB (line-level inputs to speaker outputs)
Phono preamplifier gain: 40dB at 1 kHz (i.e., 76.4dB at 1 kHz max. system gain from phono input to speaker outputs)
Headphone amplifier gain: 12dB
Headphone minimum impedance: 32Ω
Dimensions: 17" wide, 12" deep, 3.5" high. Shipping weight is 20 pounds.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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: 97587317604

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4.6 ★★★★★
Based on 21 reviews
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J
Verified Purchase
JS
Bozeman, US
★★★★★ 5
Comfy, nonslip with nice lenses!
Color: Iced By Yetis V2
I have several pairs of Goodr glasses, and so I picked up yet another pair in this nice color combo of white and blue reflective lenses. The order said "v2", but I couldn't find much difference. I think there is an upgrade on the material or hinge? I guess it might feel a little more comfy on my face, but I had chalked that up to just being a new pair and not my old worn down pair that I wear daily. The size of the mediums (OG) is perfect for the average size face. You can even "try on" the glasses on the Goodr website if you aren't sure, but the measurements are a pretty good indicator if you need the regulars or need to change size. Goodr lenses are quality, and have great sun protection, especially with their reflective lenses. The only Goodrs I haven't liked too much are the more "clear" lenses where you can see your eyes clearly through the lenses from the front, but that is just a preference choice, and they have so many options. I'll probably look at picking up another color combo soon. I have about 5 pairs of the "OG" glasses, and they have all been great and super durable. The only thing I have noticed is the frames pickup a lot of grease from my face, especially if I wear sunblock, but I just wipe them down before and after use, and they seem to last forever. I also really like the little carrying case they give you, it doubles as a microfiber cloth. If you want more protection, the box it ships in is a sturdy little cardboard slider box that works very well for protection and storage.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
L
Verified Purchase
Landon Ellis
Omaha, US
★★★★★ 4
High quality frames with weak polarization
I really like the look and feel of these glasses—they seem to be high quality. I like the fit and the non-slip texture of the frames. Two things detract from otherwise being exactly what I was looking for. First, and most importantly, the polarization seems less strong than what I’ve had in other sunglasses. Glare from shiny things like glass on cars and glare on my phone screen seems barely reduced compared to looking without the glasses (tilting my head makes barely any difference in the polarization). I’ve noticed that especially while driving. So I’m taking off one star for that. Another thing that is more just a personal preference is that the brown lenses are less to my liking than I expected. They really give a strong brown/sepia cast to the world compared to the gray lenses I’ve predominantly used in the past. It reminds me a bit of the light on a day with strong wildfire smoke in the air. I wish they offered these same frames but with gray lenses so that this effect wasn’t so pronounced. No stars removed for this since it’s more of a personal preference, but thought I would point it out for anyone who might be more used to gray/natural lenses without realizing it like I was.
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Reviewed in the United States on January 27, 2026
M
Verified Purchase
Madisyn P.
Carnegie, US
★★★★★ 5
GREAT PURCHASE!! Perfect for the beach!
Color: Blue, Size: 7x7 FT (1～3 person)
The perfect beach blanket! I recently purchased this for a trip to Amelia Island in Florida. It did exactly what it was supposed to. Waterproof and sandproof! It even held up in the heat really well. The sand got super hot, but the blanket didn't. Thouroghly pleased! Easy to pack back up, and super light and compact.
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Reviewed in the United States on May 26, 2026
S
Verified Purchase
Suzanne
Waukegan, US
★★★★★ 5
Great lightweight beach blanket
Color: Blue, Size: 7x7 FT (1～3 person)
This is a great beach blanket, very well designed. Really lightweight, durable, quick drying, easy to use, packs very small. Stakes are included, but we never use them since the corner pockets filled with sand are sufficient to hold the blanket in place. Folding instructions are also provided, but you can just stuff quickly the blanket into the attached pouch, and the overall fine wrinkles are not an issue -- the blanket still looks very nice. The blanket is very thin, so there's no extra "padding" (this is what keeps it super lightweight and quick drying), but it works great on soft sand, so it's perfect for our use. (This is the first one I've bought, but we've used my son's for years.)
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Reviewed in the United States on March 16, 2026
D
Verified Purchase
Dan
Chelsea, US
★★★★★ 5
We travel with it every vacation
Color: Blue, Size: 7x7 FT (1～3 person)
Large blanket that packs small, is lightweight, sand proof, anchors easy with provided stakes and pockets for sand to weigh down- it stays put even in the strongest winds. Have taken to South Africa and Hawaii- everyone wants it!! Washes so easily.
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Reviewed in the United States on May 12, 2026

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