U-Turn Audio Pluto 2 Phono Preamp

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88%
92%
Sound Quality
88%
Build Quality
90%
Noise Reduction
85%
Ease of Setup
91%
Size and Portability
87%
Durability
92%
Value for Money
94%
Compatibility with MM Cartridges
89%
Aesthetics
80%
Customer Support
82%
Power Consumption
84%
Warranty and Support
86%
Crosstalk
93%
Total Harmonic Distortion
More

Overview

The U-Turn Audio Pluto 2 Phono Preamp is a compact and well-designed audio solution for moving magnet (MM) turntables. This low-noise preamp is crafted with precision, offering excellent sound clarity in a durable aluminum enclosure. Assembled in the USA, the Pluto 2 is built to deliver a premium audio experience without sacrificing space. It’s ideal for audiophiles seeking a minimalist setup with impressive performance quality and reliability.

Features & Benefits

The Pluto 2 comes equipped with several key features that enhance its performance. An active subsonic filter removes unwanted low-frequency noise, ensuring that only the most pure sound reaches your speakers. Its dual gain stages contribute to a low total harmonic distortion (< 0.005%), providing a clean and accurate reproduction of vinyl. With RIAA accuracy within ±0.3 dB, it ensures faithful sound reproduction, making it an excellent choice for audiophiles.

Best For

This phono preamp is perfect for vinyl enthusiasts who use moving magnet turntables and seek a clean amplification experience. Its compact size makes it a great fit for users with space-efficient setups, such as those with limited shelf or desk space. The Pluto 2’s high-quality components also make it suitable for audiophiles who value precision and clarity in their audio gear, and those looking for reliable performance in a small package.

User Feedback

Users are generally impressed with the Pluto 2’s sound quality, awarding it a solid 4.7-star rating from 117 reviews. Many appreciate its noise reduction capabilities, which enhance clarity even at high volumes. The compact design is often highlighted as a major plus, particularly for those with limited space. On the downside, a few users noted that while it pairs well with powered speakers, it might not be as effective with larger, more demanding systems.

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Pros

  • Compact size makes it ideal for users with limited space in their setup.
  • Provides clean, low-noise amplification that enhances audio clarity.
  • The sleek aluminum enclosure is both durable and aesthetically pleasing.
  • High-quality components like WIMA film capacitors ensure precision and longevity.
  • RIAA accuracy within ± 0.3 dB delivers a consistent, accurate sound reproduction.
  • The preamp's build quality and compact design make it an excellent choice for home audio enthusiasts.

Cons

  • Not suitable for moving coil (MC) cartridges due to insufficient power output.
  • Lacks advanced customization options, which may disappoint more experienced audiophiles.
  • Some users report that it doesn’t perform as well with certain high-end speakers.
  • The 12V power requirement could be inconvenient for users with specific power setups.
  • May not offer enough power for larger or more demanding audio systems.
  • Limited connectivity options could be a drawback for users with more complex setups.

Ratings

After analyzing verified user reviews worldwide, including multiple languages and platforms, the scores reflect a balanced view of the U-Turn Audio Pluto 2 Phono Preamp. Authentic, high-quality feedback was used to generate these results, with spam, incentivized, and off-topic reviews excluded. Both strengths and pain points are represented in the scores, providing a comprehensive perspective on this product's performance and value for its users.

Sound Quality
92%
Users consistently praise the clear and vibrant sound reproduction. The preamp's low-noise operation and ability to enhance the detail in vinyl recordings are highly appreciated, especially by audiophiles seeking crisp and accurate audio. Many mention that it significantly improves the listening experience for MM cartridges.
A few users feel that while the sound is clear, it could be a little more dynamic at higher volumes. Some also mention that it's not as well-suited for more advanced setups with high-output cartridges, which may require more power or amplification.
Build Quality
88%
Buyers often highlight the sleek aluminum enclosure and compact size, noting the preamp feels sturdy and well-constructed. The attention to detail in design is particularly praised, with users appreciating how it adds both functionality and style to their audio setups.
Despite the sturdy feel, a few users report that the preamp's small size may make it feel less substantial than larger, bulkier options. Some buyers also point out that while the build is durable, it could benefit from a heavier base to reduce the chances of slipping on smooth surfaces.
Noise Reduction
90%
The noise reduction capabilities are a standout feature, with many users remarking on how effectively it eliminates hum and other unwanted sounds. The active subsonic filter receives frequent praise for maintaining a clean, crisp output, making it ideal for audiophiles who demand clarity and precision.
A few users have noted that while the noise reduction is generally effective, certain setups with particularly noisy equipment might still experience some interference. Some mention that it’s more noticeable when paired with cheaper or poorly shielded turntables.
Ease of Setup
85%
Many buyers find the setup process to be quick and straightforward, particularly for those familiar with audio equipment. The simplicity of connecting the preamp to turntables and amplifiers without needing complex adjustments is a common point of satisfaction.
Some users feel the lack of detailed instructions makes it slightly difficult for those new to phono preamps. A few mention that setting the correct gain or impedance might take a bit of trial and error, especially for beginners.
Size and Portability
91%
The compact size of this preamp is a major advantage for users with limited space or those looking for a portable audio solution. It's small enough to fit easily into tight spaces, making it a favorite for those with minimalistic setups or who need to transport their audio equipment regularly.
While the small size is appreciated by most, some buyers have mentioned that it might be too compact for those who prefer larger controls or more tactile interaction with their equipment. The smaller footprint can also make the unit easier to misplace or knock over in tight spaces.
Durability
87%
The durability of this audio equipment is well-received, with users commending its solid aluminum housing and overall build quality. Several buyers report that even after extensive use, the preamp continues to function reliably without showing signs of wear or deterioration.
A small number of users have mentioned that while the enclosure feels sturdy, the small size may make it prone to being accidentally knocked over or scratched. Additionally, a few have expressed concerns about long-term durability when exposed to heavy use in certain environments.
Value for Money
92%
The value for money is consistently highlighted, with many buyers feeling that the Pluto 2 offers excellent performance at a competitive price. It delivers high-quality audio and robust features without the hefty price tag of some other audiophile-grade preamps.
While the majority of users feel it offers good value, a few note that it may still be a bit pricey for those on a tight budget or beginners who aren't yet fully invested in high-end vinyl setups. Some users mention alternatives at lower prices that offer similar functionality.
Compatibility with MM Cartridges
94%
The preamp excels with MM cartridges, with users frequently highlighting how it enhances their turntable setups. It provides the right impedance and capacitance, ensuring optimal compatibility for those with moving magnet systems. The sound quality, especially with MM cartridges, is widely praised.
A few users have pointed out that it may not perform as well with other cartridge types, such as high-output MC models, requiring more gain. While designed for MM cartridges, those looking for versatility with various turntable types might be disappointed.
Aesthetics
89%
The modern, sleek design of this device makes it an attractive addition to any audio setup. Buyers appreciate the minimalist look, which fits seamlessly into a variety of home audio systems, and it’s often described as both functional and stylish.
While the aesthetics are generally praised, some buyers feel the minimalist design might not appeal to those who prefer more intricate or bold-looking audio gear. A few mention that the compact size could make it feel less substantial in larger setups.
Customer Support
80%
20%
Users generally report a positive experience with the manufacturer's customer support, mentioning quick responses and helpful assistance when issues arise. Some buyers feel reassured by the 3-year warranty and the company’s reputation for standing behind their products.
However, some users express frustration with slow response times during peak periods or issues with resolving more complex problems. A few mention they received generic answers that didn’t address specific technical concerns, leading to less satisfaction with the overall service.
Power Consumption
82%
18%
The preamp’s low power consumption is appreciated by users, especially those looking for energy-efficient audio equipment. It runs on a simple 12V 1A power supply, which keeps electricity usage minimal and makes it easy to integrate into various home setups without burdening power sources.
Some buyers mention that the power supply could be more versatile, as it’s limited to a 12V input. A few users point out that the unit could benefit from the option to be powered by USB or via a more modern adapter, making it more compatible with newer devices.
Warranty and Support
84%
The 3-year warranty provides peace of mind for many buyers, who feel reassured knowing they’re covered in case of defects or malfunction. The warranty is seen as a solid commitment to quality and customer satisfaction, and many appreciate the company’s no-hassle approach to returns and replacements.
However, some users have noted that while the warranty is solid, getting warranty service can be a bit time-consuming. A few buyers report longer-than-expected processing times for returns or replacements, leading to mild dissatisfaction.
Crosstalk
86%
With a crosstalk score of -89 dB, users appreciate how well this device keeps channels separate, providing a clean and undistorted stereo image. Audiophiles especially note the low crosstalk as a significant advantage when listening to complex tracks.
A couple of users mentioned that while crosstalk is minimal, it can still occasionally be noticeable when playing certain tracks with highly intricate stereo elements. This is rare but can be an issue for those with very discerning ears or complex listening preferences.
Total Harmonic Distortion
93%
The extremely low total harmonic distortion (< 0.005%) is one of the standout features, with many users commenting on how the preamp preserves the integrity of the original sound. The clean signal it provides is crucial for audiophiles who demand high-fidelity playback.
Some users believe that while the distortion is very low, they don’t always notice a significant improvement in sound quality compared to similar preamps. A few mention that in real-world use, the difference in distortion levels might be imperceptible to those without a highly trained ear.

Suitable for:

The U-Turn Audio Pluto 2 Phono Preamp is ideal for vinyl enthusiasts, particularly those using moving magnet (MM) cartridges. Its compact design and high-quality sound reproduction make it a great fit for audiophiles seeking an efficient, low-noise amplification solution. Users with limited space or those who value portability will appreciate its sleek, durable aluminum enclosure and space-saving size. Those looking for a preamp that delivers accurate, clear audio without sacrificing design or ease of use will find this device well-suited to their needs. For example, those setting up a compact home audio system or seeking an upgrade from built-in turntable preamps will benefit from its precise RIAA accuracy and minimal distortion.

Not suitable for:

While the Pluto 2 excels with MM cartridges, it may not be the best choice for users with higher-output cartridges, such as moving coil (MC) models, as it lacks the necessary power to handle them well. It may also be a poor fit for those seeking a more customizable setup, as the device is fairly straightforward with limited adjustable features. Additionally, users in need of a more robust, heavy-duty preamp for professional-grade systems might find its smaller size and lower power output limiting. Those looking for versatile, multi-configuration options for complex setups may find this device too basic for their needs.

Specifications

  • Input Type: Supports moving magnet (MM) cartridges for vinyl playback.
  • Gain: Provides 40 dB gain at 1 kHz for optimal amplification of audio signals.
  • RIAA Accuracy: Maintains RIAA accuracy within ± 0.3 dB (20 Hz - 20 kHz) for precise sound reproduction.
  • Signal-to-Noise Ratio: Has a 90 dB signal-to-noise ratio (A-weighted) for clear, noise-free audio.
  • Total Harmonic Distortion: Features total harmonic distortion of less than 0.005% (A-weighted) for minimal distortion.
  • Crosstalk: Crosstalk is measured at -89 dB (20 Hz - 20 kHz), reducing interference between channels.
  • Input Impedance: Offers a 47 kΩ input impedance, ideal for MM cartridges.
  • Input Capacitance: Has an input capacitance of 100 pF for compatible turntable cartridges.
  • Enclosure Material: The unit is housed in a durable, sleek aluminum enclosure.
  • Dimensions: Compact dimensions of 3.85 x 4.5 x 1.4 inches make it ideal for tight spaces.
  • Weight: Weighs 10 oz, offering a lightweight and portable solution.
  • Power Supply: Requires a 12V 1A power supply, which is included with the unit.
  • Warranty: Comes with a 3-year warranty for peace of mind.
  • Subsonic Filter: Includes an active subsonic filter to remove unwanted low-frequency noise.
  • Country of Manufacture: Designed and assembled in the USA for high-quality craftsmanship.
  • Compatibility: Compatible with MM turntable cartridges and powered speakers.

FAQ

The Pluto 2 stands out with its compact size, sleek aluminum enclosure, and high-quality components like WIMA film capacitors. It provides low-noise amplification with an impressive RIAA accuracy, making it ideal for moving magnet cartridges. Users appreciate its performance and durability, particularly in compact setups.

Setting up this phono preamp is simple: connect your turntable's MM cartridge output to the Pluto 2's input, then connect the preamp's output to your powered speakers or amplifier. Be sure to use a 12V power supply, which is included with the unit.

No, this phono preamp is designed specifically for MM cartridges and does not support MC cartridges. If you're using an MC cartridge, you'll need a preamp that is compatible with lower output levels.

The Pluto 2 offers an RIAA accuracy of ± 0.3 dB, ensuring a precise frequency response and accurate sound reproduction. This is crucial for preserving the integrity of vinyl recordings, allowing them to sound as intended by the artist.

Yes, many users report that the Pluto 2 works well with powered speakers, as it provides clear and low-noise amplification. Just ensure your speakers are compatible with the line-level output from the preamp.

The Pluto 2 has a signal-to-noise ratio of 90 dB (A-weighted), meaning it delivers a high level of clarity and minimal background noise. This is important for audiophiles who seek the cleanest possible sound from their turntable setup.

Yes, this preamp features an active subsonic filter that effectively removes low-frequency noise, which can be caused by things like turntable vibrations or unwanted rumble, ensuring a cleaner listening experience.

The Pluto 2 is housed in a robust aluminum enclosure, making it both durable and stylish. Many users have noted its solid build quality, making it a reliable addition to any home audio system.

This compact preamp measures 3.85 x 4.5 x 1.4 inches and weighs just 10 oz, making it an excellent choice for users who need space-efficient gear without compromising on performance.

One limitation is that the Pluto 2 is only compatible with MM cartridges, so it won't work for users with MC cartridges. Additionally, while it provides great sound quality, some audiophiles may prefer more customization options for advanced setups.